dnl Process this file with autoconf to produce a configure script. AC_PREREQ([2.63]) AC_INIT AC_CONFIG_SRCDIR([src/SDL.c]) AC_CONFIG_HEADERS([include/SDL_config.h]) AC_CONFIG_AUX_DIR([build-scripts]) AC_CONFIG_MACRO_DIR([acinclude]) dnl Save the CFLAGS to see whether they were passed in or generated orig_CFLAGS="$CFLAGS" dnl Set various version strings - taken gratefully from the GTk sources # See docs/release_checklist.md SDL_MAJOR_VERSION=2 SDL_MINOR_VERSION=25 SDL_MICRO_VERSION=0 SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION SDL_BINARY_AGE=`expr $SDL_MINOR_VERSION \* 100 + $SDL_MICRO_VERSION` AS_CASE(["$SDL_MINOR_VERSION"], [*@<:@02468@:>@], dnl Stable branch, 2.24.1 -> libSDL2-2.0.so.0.2400.1 [SDL_INTERFACE_AGE="$SDL_MICRO_VERSION"], [*], dnl Development branch, 2.23.1 -> libSDL2-2.0.so.0.2301.0 [SDL_INTERFACE_AGE=0]) AC_SUBST(SDL_MAJOR_VERSION) AC_SUBST(SDL_MINOR_VERSION) AC_SUBST(SDL_MICRO_VERSION) AC_SUBST(SDL_INTERFACE_AGE) AC_SUBST(SDL_BINARY_AGE) AC_SUBST(SDL_VERSION) # libtool versioning LT_INIT([win32-dll]) LT_LANG([Windows Resource]) # For historical reasons, the library name redundantly includes the major # version twice: libSDL2-2.0.so.0. # TODO: in SDL 3, stop using -release, which will simplify it to libSDL3.so.0 LT_RELEASE=2.0 # Increment this if there is an incompatible change - but if that happens, # we should rename the library from SDL2 to SDL3, at which point this would # reset to 0 anyway. LT_MAJOR=0 LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE` LT_CURRENT=`expr $LT_MAJOR + $LT_AGE` LT_REVISION=$SDL_INTERFACE_AGE m4_pattern_allow([^LT_]) AC_SUBST(LT_RELEASE) AC_SUBST(LT_CURRENT) AC_SUBST(LT_REVISION) AC_SUBST(LT_AGE) dnl Detect the canonical build and host environments dnl AC_CANONICAL_HOST dnl Check for tools AC_PROG_AWK AC_PROG_CC AC_PROG_CXX AC_PROG_EGREP AC_PROG_INSTALL AC_PROG_MAKE_SET PKG_PROG_PKG_CONFIG if [ test -z "$AWK" ]; then AC_MSG_ERROR([*** awk not found, aborting]) fi AC_CHECK_PROGS([SORT], [gsort sort], [false]) AS_IF([! "$SORT" -V /dev/null], [AC_MSG_WARN([GNU sort(1) is required to find dynamic libraries])]) dnl 64-bit file offsets if possible unless --disable-largefile is specified AC_SYS_LARGEFILE dnl Make sure that srcdir is a full pathname case "$host" in *-*-mingw*) # Except on msys, where make can't handle full pathnames (bug 1972) ;; *) srcdir=`cd $srcdir && pwd` ;; esac dnl Set up the compiler and linker flags INCLUDE="-I$srcdir/include" dnl Don't use our khronos headers on QNX. case "$host" in *-*-nto-qnx*) ;; *) INCLUDE="$INCLUDE -idirafter $srcdir/src/video/khronos" ;; esac dnl use CXX for linker on Haiku case "$host" in *-*-haiku*) LINKER='$(CXX)' LIBTOOLLINKERTAG='CXX' ;; *) LINKER='$(CC)' LIBTOOLLINKERTAG='CC' ;; esac AC_SUBST(LINKER) AC_SUBST(LIBTOOLLINKERTAG) if test x$srcdir != x.; then INCLUDE="-Iinclude $INCLUDE" elif test -d .git; then AC_MSG_ERROR([ *** When building from a git clone you should configure and build in a separate directory so you don't clobber SDL_config.h, SDL_revision.h ]) fi BASE_CFLAGS="" BASE_LDFLAGS="" case "$host" in *-*-cygwin*) # We build SDL on cygwin without the UNIX emulation layer save_CFLAGS="$CFLAGS" have_no_cygwin=no AC_MSG_CHECKING(for GCC -mno-cygwin option) CFLAGS="$save_CFLAGS -mno-cygwin" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])], [have_no_cygwin=yes],[]) AC_MSG_RESULT($have_no_cygwin) CFLAGS="$save_CFLAGS" if test x$have_no_cygwin = xyes; then BASE_CFLAGS="-mno-cygwin" BASE_LDFLAGS="-mno-cygwin" fi BASE_CFLAGS="$BASE_CFLAGS -I/usr/include/mingw" ;; esac # Uncomment the following line if you want to force SDL and applications # built with it to be compiled for a particular architecture. #AX_GCC_ARCHFLAG([no], [BASE_CFLAGS="$BASE_CFLAGS $ax_cv_gcc_archflag]") BUILD_CFLAGS="$CFLAGS $CPPFLAGS -DUSING_GENERATED_CONFIG_H" # The default optimization for SDL is -O3 (Bug #31) if test "x$orig_CFLAGS" = x; then BUILD_CFLAGS=`echo $BUILD_CFLAGS | sed 's/-O2/-O3/'` fi EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS" BUILD_LDFLAGS="$LDFLAGS" EXTRA_LDFLAGS="$BASE_LDFLAGS" ## These are common directories to find software packages #for path in /usr/freeware /usr/pkg /usr/X11R6 /usr/local; do # if test -d $path/include; then # EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include" # fi # if test -d $path/lib; then # EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib" # fi #done SDL_CFLAGS="$BASE_CFLAGS" SDL_LIBS="-lSDL2" if test "x$BASE_LDFLAGS" != x; then SDL_LIBS="$SDL_LIBS $BASE_LDFLAGS" fi if test "x$EXTRA_CFLAGS" != x; then CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS" CFLAGS="$CFLAGS $EXTRA_CFLAGS" fi if test "x$EXTRA_LDFLAGS" != x; then LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS" fi dnl set this to use on systems that use lib64 instead of lib base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'` dnl Function to find a library in the compiler search path find_lib() { gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`] gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`] env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`] if test "$cross_compiling" = yes; then host_lib_path="" else host_lib_path="/usr/$base_libdir /usr/local/$base_libdir" fi for path in $env_lib_path $gcc_bin_path $gcc_lib_path $host_lib_path; do lib=[`ls -- $path/$1 2>/dev/null | sed 's,.*/,,' | "$SORT" -V -r | $AWK 'BEGIN{FS="."}{ print NF, $0 }' | "$SORT" -n -s | sed 's,[0-9]* ,,' | head -1`] if test x$lib != x; then echo $lib return fi done } dnl Check for compiler characteristics AC_C_CONST AC_C_INLINE AC_C_VOLATILE dnl See whether we want assertions for debugging/sanity checking SDL itself. AC_ARG_ENABLE(assertions, [AS_HELP_STRING([--enable-assertions], [Enable internal sanity checks (auto/disabled/release/enabled/paranoid) [default=auto]])], , enable_assertions=auto) case "$enable_assertions" in auto) # Use optimization settings to determine assertion level ;; disabled) AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 0, [ ]) ;; release) AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 1, [ ]) ;; enabled) AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 2, [ ]) ;; paranoid) AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 3, [ ]) ;; *) AC_MSG_ERROR([*** unknown assertion level. stop.]) ;; esac dnl For use in static assertions EXTRA_CFLAGS="$EXTRA_CFLAGS -DSDL_BUILD_MAJOR_VERSION=$SDL_MAJOR_VERSION -DSDL_BUILD_MINOR_VERSION=$SDL_MINOR_VERSION -DSDL_BUILD_MICRO_VERSION=$SDL_MICRO_VERSION" dnl See whether we can use gcc style dependency tracking AC_ARG_ENABLE(dependency-tracking, [AS_HELP_STRING([--enable-dependency-tracking], [Use gcc -MMD -MT dependency tracking [default=yes]])], , enable_dependency_tracking=yes) if test x$enable_dependency_tracking = xyes; then have_gcc_mmd_mt=no AC_MSG_CHECKING(for GCC -MMD -MT option) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #if !defined(__GNUC__) || __GNUC__ < 3 #error Dependency tracking requires GCC 3.0 or newer #endif ]],[])], [have_gcc_mmd_mt=yes],[]) AC_MSG_RESULT($have_gcc_mmd_mt) if test x$have_gcc_mmd_mt = xyes; then DEPENDENCY_TRACKING_OPTIONS="-MMD -MT \$@" fi fi AC_MSG_CHECKING(for linker option --no-undefined) have_no_undefined=no case "$host" in dnl Skip this on platforms where it is just simply busted. *-*-openbsd*) ;; *) save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -Wl,--no-undefined" AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], [ have_no_undefined=yes BUILD_LDFLAGS="$BUILD_LDFLAGS -Wl,--no-undefined" ],[]) LDFLAGS="$save_LDFLAGS" ;; esac AC_MSG_RESULT($have_no_undefined) AC_MSG_CHECKING(for linker option --dynamicbase) have_dynamicbase=no case "$host" in *) save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -Wl,--dynamicbase" AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], [ have_dynamicbase=yes EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--dynamicbase" ],[]) LDFLAGS="$save_LDFLAGS" ;; esac AC_MSG_RESULT($have_dynamicbase) AC_MSG_CHECKING(for linker option --nxcompat) have_nxcompat=no case "$host" in *) save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -Wl,--nxcompat" AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], [ have_nxcompat=yes EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--nxcompat" ],[]) LDFLAGS="$save_LDFLAGS" ;; esac AC_MSG_RESULT($have_nxcompat) AC_MSG_CHECKING(for linker option --high-entropy-va) have_high_entropy_va=no case "$host" in *) save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -Wl,--high-entropy-va" AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], [ have_high_entropy_va=yes EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--high-entropy-va" ],[]) LDFLAGS="$save_LDFLAGS" ;; esac AC_MSG_RESULT($have_high_entropy_va) dnl See whether we are allowed to use the system C library AC_ARG_ENABLE(libc, [AS_HELP_STRING([--enable-libc], [Use the system C library [default=yes]])], , enable_libc=yes) dnl See whether we are allowed to use libiconv AC_ARG_ENABLE(system-iconv, [AS_HELP_STRING([--enable-system-iconv], [Use iconv() from system-installed libraries [default=yes]])], , enable_system_iconv=yes) if test x$enable_libc = xyes; then AC_DEFINE(HAVE_LIBC, 1, [ ]) dnl Check for C library headers dnl AC_CHECK_INCLUDES_DEFAULT is an autoconf-2.7x thing where AC_HEADER_STDC is deprecated. m4_ifdef([AC_CHECK_INCLUDES_DEFAULT], [AC_CHECK_INCLUDES_DEFAULT], [AC_HEADER_STDC]) AC_CHECK_HEADERS(sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h wchar.h inttypes.h stdint.h limits.h ctype.h math.h float.h iconv.h signal.h) dnl Check for typedefs, structures, etc. AC_TYPE_SIZE_T dnl Check for defines AC_CHECK_DEFINE(M_PI, math.h) AC_FUNC_ALLOCA dnl Checks for library functions. AC_CHECK_FUNC(mprotect, AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]],[])], [ AC_DEFINE(HAVE_MPROTECT, 1, [ ]) ],[]), ) AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv bsearch qsort abs bcopy memset memcmp memcpy memmove wcslen wcslcpy wcslcat _wcsdup wcsdup wcsstr wcscmp wcsncmp wcscasecmp _wcsicmp wcsncasecmp _wcsnicmp strlen strlcpy strlcat _strrev _strupr _strlwr index rindex strchr strrchr strstr strtok_r itoa _ltoa _uitoa _ultoa strtod strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fopen64 fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname getauxval elf_aux_info poll _Exit) AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"]) AC_CHECK_FUNCS(acos acosf asin asinf atan atanf atan2 atan2f ceil ceilf copysign copysignf cos cosf exp expf fabs fabsf floor floorf trunc truncf fmod fmodf log logf log10 log10f lround lroundf pow powf round roundf scalbn scalbnf sin sinf sqrt sqrtf tan tanf) if test x$enable_system_iconv = xyes; then AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"]) AC_CHECK_FUNCS(iconv) fi AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE([HAVE_SA_SIGACTION], 1, [ ])], ,[#include ]) dnl Check for additional non-standard headers AC_CHECK_HEADERS(libunwind.h) fi dnl AC_CHECK_SIZEOF(void*) dnl See whether we can use gcc atomic operations on this architecture AC_ARG_ENABLE(gcc-atomics, [AS_HELP_STRING([--enable-gcc-atomics], [Use gcc builtin atomics [default=yes]])], , enable_gcc_atomics=yes) if test x$enable_gcc_atomics = xyes; then have_gcc_atomics=no AC_MSG_CHECKING(for GCC builtin atomic operations) AC_LINK_IFELSE([AC_LANG_PROGRAM([],[[ int a; void *x, *y, *z; __sync_lock_test_and_set(&a, 4); __sync_lock_test_and_set(&x, y); __sync_fetch_and_add(&a, 1); __sync_bool_compare_and_swap(&a, 5, 10); __sync_bool_compare_and_swap(&x, y, z); ]])], [have_gcc_atomics=yes],[]) AC_MSG_RESULT($have_gcc_atomics) if test x$have_gcc_atomics = xyes; then AC_DEFINE(HAVE_GCC_ATOMICS, 1, [ ]) else # See if we have the minimum operation needed for GCC atomics AC_LINK_IFELSE([AC_LANG_PROGRAM([],[[ int a; __sync_lock_test_and_set(&a, 1); __sync_lock_release(&a); ]])], [have_gcc_sync_lock_test_and_set=yes],[]) if test x$have_gcc_sync_lock_test_and_set = xyes; then AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET, 1, [ ]) fi fi fi # Standard C sources SOURCES="$SOURCES $srcdir/src/*.c" SOURCES="$SOURCES $srcdir/src/atomic/*.c" SOURCES="$SOURCES $srcdir/src/audio/*.c" SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c" SOURCES="$SOURCES $srcdir/src/dynapi/*.c" SOURCES="$SOURCES $srcdir/src/events/*.c" SOURCES="$SOURCES $srcdir/src/file/*.c" SOURCES="$SOURCES $srcdir/src/haptic/*.c" SOURCES="$SOURCES $srcdir/src/hidapi/*.c" SOURCES="$SOURCES $srcdir/src/joystick/*.c" SOURCES="$SOURCES $srcdir/src/libm/*.c" SOURCES="$SOURCES $srcdir/src/misc/*.c" SOURCES="$SOURCES $srcdir/src/power/*.c" #SOURCES="$SOURCES $srcdir/src/filesystem/*.c" SOURCES="$SOURCES $srcdir/src/render/*.c" SOURCES="$SOURCES $srcdir/src/render/*/*.c" SOURCES="$SOURCES $srcdir/src/sensor/*.c" SOURCES="$SOURCES $srcdir/src/stdlib/*.c" SOURCES="$SOURCES $srcdir/src/thread/*.c" SOURCES="$SOURCES $srcdir/src/timer/*.c" SOURCES="$SOURCES $srcdir/src/video/*.c" SOURCES="$SOURCES $srcdir/src/video/yuv2rgb/*.c" SOURCES="$SOURCES $srcdir/src/locale/*.c" dnl Enable/disable various subsystems of the SDL library case "$host" in *-*-emscripten*) default_atomic=no ;; *) default_atomic=yes ;; esac AC_ARG_ENABLE(atomic, [AS_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [default=yes]])], , enable_atomic=$default_atomic) if test x$enable_atomic != xyes; then AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} atomic" fi AC_ARG_ENABLE(audio, [AS_HELP_STRING([--enable-audio], [Enable the audio subsystem [default=yes]])], , enable_audio=yes) if test x$enable_audio != xyes; then AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} audio" fi AC_ARG_ENABLE(video, [AS_HELP_STRING([--enable-video], [Enable the video subsystem [default=yes]])], , enable_video=yes) if test x$enable_video != xyes; then AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} video" fi AC_ARG_ENABLE(render, [AS_HELP_STRING([--enable-render], [Enable the render subsystem [default=yes]])], , enable_render=yes) if test x$enable_render != xyes; then AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} render" fi AC_ARG_ENABLE(events, [AS_HELP_STRING([--enable-events], [Enable the events subsystem [default=yes]])], , enable_events=yes) if test x$enable_events != xyes; then AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} events" fi AC_ARG_ENABLE(joystick, [AS_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [default=yes]])], , enable_joystick=yes) if test x$enable_joystick != xyes; then AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} joystick" fi AC_ARG_ENABLE(haptic, [AS_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [default=yes]])], , enable_haptic=yes) if test x$enable_haptic != xyes; then AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} haptic" fi AC_ARG_ENABLE(hidapi, [AS_HELP_STRING([--enable-hidapi], [Enable the HIDAPI subsystem [default=yes]])], , enable_hidapi=yes) if test x$enable_hidapi != xyes; then AC_DEFINE(SDL_HIDAPI_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} hidapi" fi AC_ARG_ENABLE(sensor, [AS_HELP_STRING([--enable-sensor], [Enable the sensor subsystem [default=yes]])], , enable_sensor=yes) if test x$enable_sensor != xyes; then AC_DEFINE(SDL_SENSOR_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} sensor" fi AC_ARG_ENABLE(power, [AS_HELP_STRING([--enable-power], [Enable the power subsystem [default=yes]])], , enable_power=yes) if test x$enable_power != xyes; then AC_DEFINE(SDL_POWER_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} power" fi AC_ARG_ENABLE(filesystem, [AS_HELP_STRING([--enable-filesystem], [Enable the filesystem subsystem [default=yes]])], , enable_filesystem=yes) if test x$enable_filesystem != xyes; then AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} filesystem" fi # Many subsystems depend on threads, so leave them enabled by default #AC_ARG_ENABLE(threads, #[AS_HELP_STRING([--enable-threads], [Enable the threading subsystem [default=yes]])], # , enable_threads=yes) enable_threads=yes if test x$enable_threads != xyes; then AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} threads" fi AC_ARG_ENABLE(timers, [AS_HELP_STRING([--enable-timers], [Enable the timer subsystem [default=yes]])], , enable_timers=yes) if test x$enable_timers != xyes; then AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} timers" fi AC_ARG_ENABLE(file, [AS_HELP_STRING([--enable-file], [Enable the file subsystem [default=yes]])], , enable_file=yes) if test x$enable_file != xyes; then AC_DEFINE(SDL_FILE_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} file" fi AC_ARG_ENABLE(misc, [AS_HELP_STRING([--enable-misc], [Enable the misc subsystem [default=yes]])], , enable_misc=yes) if test x$enable_misc != xyes; then AC_DEFINE(SDL_MISC_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} misc" fi AC_ARG_ENABLE(locale, [AS_HELP_STRING([--enable-locale], [Enable the locale subsystem [default=yes]])], , enable_locale=yes) if test x$enable_locale != xyes; then AC_DEFINE(SDL_LOCALE_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} locale" fi AC_ARG_ENABLE(loadso, [AS_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [default=yes]])], , enable_loadso=yes) if test x$enable_loadso != xyes; then AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} loadso" fi AC_ARG_ENABLE(cpuinfo, [AS_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [default=yes]])], , enable_cpuinfo=yes) if test x$enable_cpuinfo != xyes; then AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ]) else SUMMARY_modules="${SUMMARY_modules} cpuinfo" fi AC_ARG_ENABLE(assembly, [AS_HELP_STRING([--enable-assembly], [Enable assembly routines [default=yes]])], , enable_assembly=yes) if test x$enable_assembly = xyes; then SUMMARY_modules="${SUMMARY_modules} assembly" # Make sure that we don't generate floating point code that would # cause illegal instruction exceptions on older processors case "$host" in *-*-darwin*) # Don't need to worry about Apple hardware, it's all SSE capable default_ssemath=yes ;; *64-*-*) # x86 64-bit architectures all have SSE instructions default_ssemath=yes ;; *) default_ssemath=no ;; esac AC_ARG_ENABLE(ssemath, [AS_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [default=maybe]])], , enable_ssemath=$default_ssemath) if test x$enable_ssemath = xno; then if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes -o x$have_gcc_sse3 = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS -mfpmath=387" fi fi dnl Check for various instruction support AC_ARG_ENABLE(mmx, [AS_HELP_STRING([--enable-mmx], [use MMX assembly routines [default=yes]])], , enable_mmx=yes) if test x$enable_mmx = xyes; then save_CFLAGS="$CFLAGS" have_gcc_mmx=no AC_MSG_CHECKING(for GCC -mmmx option) mmx_CFLAGS="-mmmx" CFLAGS="$save_CFLAGS $mmx_CFLAGS" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #ifdef __MINGW32__ #include <_mingw.h> #ifdef __MINGW64_VERSION_MAJOR #include #else #include #endif #else #include #endif #ifndef __MMX__ #error Assembler CPP flag not enabled #endif ]],[])], [have_gcc_mmx=yes],[]) AC_MSG_RESULT($have_gcc_mmx) CFLAGS="$save_CFLAGS" if test x$have_gcc_mmx = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS $mmx_CFLAGS" SUMMARY_math="${SUMMARY_math} mmx" fi fi AC_ARG_ENABLE(3dnow, [AS_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [default=yes]])], , enable_3dnow=yes) if test x$enable_3dnow = xyes; then save_CFLAGS="$CFLAGS" have_gcc_3dnow=no AC_MSG_CHECKING(for GCC -m3dnow option) amd3dnow_CFLAGS="-m3dnow" CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS" AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #ifndef __3dNOW__ #error Assembler CPP flag not enabled #endif ]], [[ void *p = 0; _m_prefetch(p); ]])], [have_gcc_3dnow=yes],[]) AC_MSG_RESULT($have_gcc_3dnow) CFLAGS="$save_CFLAGS" if test x$have_gcc_3dnow = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS" SUMMARY_math="${SUMMARY_math} 3dnow" fi fi AC_ARG_ENABLE(sse, [AS_HELP_STRING([--enable-sse], [use SSE assembly routines [default=yes]])], , enable_sse=yes) if test x$enable_sse = xyes; then save_CFLAGS="$CFLAGS" have_gcc_sse=no AC_MSG_CHECKING(for GCC -msse option) sse_CFLAGS="-msse" CFLAGS="$save_CFLAGS $sse_CFLAGS" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #ifdef __MINGW32__ #include <_mingw.h> #ifdef __MINGW64_VERSION_MAJOR #include #else #include #endif #else #include #endif #ifndef __SSE__ #error Assembler CPP flag not enabled #endif ]],[])], [have_gcc_sse=yes],[]) AC_MSG_RESULT($have_gcc_sse) CFLAGS="$save_CFLAGS" if test x$have_gcc_sse = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS $sse_CFLAGS" SUMMARY_math="${SUMMARY_math} sse" fi fi AC_ARG_ENABLE(sse2, [AS_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [default=maybe]])], , enable_sse2=$default_ssemath) if test x$enable_sse2 = xyes; then save_CFLAGS="$CFLAGS" have_gcc_sse2=no AC_MSG_CHECKING(for GCC -msse2 option) sse2_CFLAGS="-msse2" CFLAGS="$save_CFLAGS $sse2_CFLAGS" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #ifdef __MINGW32__ #include <_mingw.h> #ifdef __MINGW64_VERSION_MAJOR #include #else #include #endif #else #include #endif #ifndef __SSE2__ #error Assembler CPP flag not enabled #endif ]],[])], [have_gcc_sse2=yes],[]) AC_MSG_RESULT($have_gcc_sse2) CFLAGS="$save_CFLAGS" if test x$have_gcc_sse2 = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS" SUMMARY_math="${SUMMARY_math} sse2" fi fi AC_ARG_ENABLE(sse3, [AS_HELP_STRING([--enable-sse3], [use SSE3 assembly routines [default=maybe]])], , enable_sse3=$default_ssemath) if test x$enable_sse3 = xyes; then save_CFLAGS="$CFLAGS" have_gcc_sse3=no AC_MSG_CHECKING(for GCC -msse3 option) sse3_CFLAGS="-msse3" CFLAGS="$save_CFLAGS $sse3_CFLAGS" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #ifdef __MINGW32__ #include <_mingw.h> #ifdef __MINGW64_VERSION_MAJOR #include #else #include #endif #else #include #endif #ifndef __SSE2__ #error Assembler CPP flag not enabled #endif ]],[])], [have_gcc_sse3=yes],[]) AC_MSG_RESULT($have_gcc_sse3) CFLAGS="$save_CFLAGS" if test x$have_gcc_sse3 = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS $sse3_CFLAGS" SUMMARY_math="${SUMMARY_math} sse3" fi fi AC_MSG_CHECKING(for immintrin.h) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]])], [have_immintrin_h_hdr=yes],[have_immintrin_h_hdr=no]) AC_MSG_RESULT($have_immintrin_h_hdr) if test x$have_immintrin_h_hdr = xyes; then AC_DEFINE(HAVE_IMMINTRIN_H, 1, [ ]) fi AC_ARG_ENABLE(altivec, [AS_HELP_STRING([--enable-altivec], [use Altivec assembly routines [default=yes]])], , enable_altivec=yes) if test x$enable_altivec = xyes; then save_CFLAGS="$CFLAGS" have_gcc_altivec=no have_altivec_h_hdr=no altivec_CFLAGS="-maltivec" CFLAGS="$save_CFLAGS $altivec_CFLAGS" AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include vector unsigned int vzero() { return vec_splat_u32(0); } ]],[])], [ have_gcc_altivec=yes have_altivec_h_hdr=yes ],[]) AC_MSG_RESULT($have_gcc_altivec) if test x$have_gcc_altivec = xno; then AC_MSG_CHECKING(for Altivec with GCC -maltivec option) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ vector unsigned int vzero() { return vec_splat_u32(0); } ]],[])], [have_gcc_altivec=yes],[]) AC_MSG_RESULT($have_gcc_altivec) fi if test x$have_gcc_altivec = xno; then AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option) altivec_CFLAGS="-faltivec" CFLAGS="$save_CFLAGS $altivec_CFLAGS" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include vector unsigned int vzero() { return vec_splat_u32(0); } ]],[])], [ have_gcc_altivec=yes have_altivec_h_hdr=yes ],[]) AC_MSG_RESULT($have_gcc_altivec) fi if test x$have_gcc_altivec = xno; then AC_MSG_CHECKING(for Altivec with GCC -faltivec option) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ vector unsigned int vzero() { return vec_splat_u32(0); } ]],[])], [have_gcc_altivec=yes],[]) AC_MSG_RESULT($have_gcc_altivec) fi CFLAGS="$save_CFLAGS" if test x$have_gcc_altivec = xyes; then AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ]) if test x$have_altivec_h_hdr = xyes; then AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ]) fi EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS" SUMMARY_math="${SUMMARY_math} altivec" fi fi fi AC_ARG_ENABLE(lsx, [AS_HELP_STRING([--enable-lsx], [use LSX assembly routines [default=yes]])], , enable_lsx=yes) if test x$enable_lsx = xyes; then save_CFLAGS="$CFLAGS" have_gcc_lsx=no AC_MSG_CHECKING(for GCC -mlsx option) lsx_CFLAGS="-mlsx" CFLAGS="$save_CFLAGS $lsx_CFLAGS" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #ifndef __loongarch_sx #error Assembler CPP flag not enabled #endif ]], [])], [have_gcc_lsx=yes], []) AC_MSG_RESULT($have_gcc_lsx) CFLAGS="$save_CFLAGS" if test x$have_gcc_lsx = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS $lsx_CFLAGS" SUMMARY_math="${SUMMARY_math} lsx" fi fi AC_MSG_CHECKING(for lsxintrin.h) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]])], [have_lsxintrin_h_hdr=yes],[have_lsxintrin_h_hdr=no]) AC_MSG_RESULT($have_lsxintrin_h_hdr) if test x$have_lsxintrin_h_hdr = xyes; then AC_DEFINE(HAVE_LSXINTRIN_H, 1, [ ]) fi AC_ARG_ENABLE(lasx, [AS_HELP_STRING([--enable-lasx], [use LASX assembly routines [default=yes]])], , enable_LASX=yes) if test x$enable_LASX = xyes; then save_CFLAGS="$CFLAGS" have_gcc_lasx=no AC_MSG_CHECKING(for GCC -mlasx option) lasx_CFLAGS="-mlasx" CFLAGS="$save_CFLAGS $lasx_CFLAGS" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #ifndef __loongarch_asx #error Assembler CPP flag not enabled #endif ]], [])], [have_gcc_lasx=yes], []) AC_MSG_RESULT($have_gcc_lasx) CFLAGS="$save_CFLAGS" if test x$have_gcc_lasx = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS $lasx_CFLAGS" SUMMARY_math="${SUMMARY_math} lasx" fi fi AC_MSG_CHECKING(for lasxintrin.h) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]])], [have_lasxintrin_h_hdr=yes],[have_lasxintrin_h_hdr=no]) AC_MSG_RESULT($have_lasxintrin_h_hdr) if test x$have_lasxintrin_h_hdr = xyes; then AC_DEFINE(HAVE_LASXINTRIN_H, 1, [ ]) fi dnl See if the OSS audio interface is supported CheckOSS() { AC_ARG_ENABLE(oss, [AS_HELP_STRING([--enable-oss], [support the OSS audio API [default=maybe]])], , enable_oss=maybe) # OpenBSD "has" OSS, but it's not really for app use. They want you to # use sndio instead. So on there, we default to disabled. You can force # it on if you really want, though. if test x$enable_oss = xmaybe; then enable_oss=yes case "$host" in *-*-openbsd*) enable_oss=no;; esac fi if test x$enable_audio = xyes -a x$enable_oss = xyes; then AC_MSG_CHECKING(for OSS audio support) have_oss=no if test x$have_oss != xyes; then AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[ int arg = SNDCTL_DSP_SETFRAGMENT; ]])], [have_oss=yes],[]) fi if test x$have_oss != xyes; then AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[ int arg = SNDCTL_DSP_SETFRAGMENT; ]])], [ have_oss=yes AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ]) ],[]) fi AC_MSG_RESULT($have_oss) if test x$have_oss = xyes; then SUMMARY_audio="${SUMMARY_audio} oss" AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c" have_audio=yes # We may need to link with ossaudio emulation library case "$host" in *-*-openbsd*|*-*-netbsd*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";; esac fi fi } dnl See if the ALSA audio interface is supported CheckALSA() { AC_ARG_ENABLE(alsa, [AS_HELP_STRING([--enable-alsa], [support the ALSA audio API [default=yes]])], , enable_alsa=yes) if test x$enable_audio = xyes -a x$enable_alsa = xyes; then AM_PATH_ALSA(1.0.11, have_alsa=yes, have_alsa=no) # Restore all flags from before the ALSA detection runs CFLAGS="$alsa_save_CFLAGS" LDFLAGS="$alsa_save_LDFLAGS" LIBS="$alsa_save_LIBS" if test x$have_alsa = xyes; then AC_ARG_ENABLE(alsa-shared, [AS_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [default=yes]])], , enable_alsa_shared=yes) alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c" EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS" if test x$have_loadso != xyes && \ test x$enable_alsa_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading]) fi if test x$have_loadso = xyes && \ test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then echo "-- dynamic libasound -> $alsa_lib" AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ]) SUMMARY_audio="${SUMMARY_audio} alsa(dynamic)" else EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS" SUMMARY_audio="${SUMMARY_audio} alsa" fi have_audio=yes fi fi } dnl Find JACK Audio CheckJACK() { AC_ARG_ENABLE(jack, [AS_HELP_STRING([--enable-jack], [use JACK audio [default=yes]])], , enable_jack=yes) if test x$enable_audio = xyes -a x$enable_jack = xyes; then PKG_CHECK_MODULES([JACK], [jack >= 0.125], audio_jack=yes, audio_jack=no) if test x$audio_jack = xyes; then AC_ARG_ENABLE(jack-shared, [AS_HELP_STRING([--enable-jack-shared], [dynamically load JACK audio support [default=yes]])], , enable_jack_shared=yes) jack_lib=[`find_lib "libjack.so.*" "$JACK_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] AC_DEFINE(SDL_AUDIO_DRIVER_JACK, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/jack/*.c" EXTRA_CFLAGS="$EXTRA_CFLAGS $JACK_CFLAGS" if test x$have_loadso != xyes && \ test x$enable_jack_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic JACK audio loading]) fi if test x$have_loadso = xyes && \ test x$enable_jack_shared = xyes && test x$jack_lib != x; then echo "-- dynamic libjack -> $jack_lib" AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_JACK_DYNAMIC, "$jack_lib", [ ]) SUMMARY_audio="${SUMMARY_audio} jack(dynamic)" case "$host" in # On Solaris, jack must be linked deferred explicitly # to prevent undefined symbol failures. *-*-solaris*) JACK_LIBS=`echo $JACK_LIBS | sed 's/\-l/-Wl,-l/g'` EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $JACK_LIBS -Wl,-znodeferred" esac else EXTRA_LDFLAGS="$EXTRA_LDFLAGS $JACK_LIBS" SUMMARY_audio="${SUMMARY_audio} jack" fi have_audio=yes fi fi } dnl Find the ESD includes and libraries CheckESD() { AC_ARG_ENABLE(esd, [AS_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [default=yes]])], , enable_esd=yes) if test x$enable_audio = xyes -a x$enable_esd = xyes; then PKG_CHECK_MODULES([ESD], [esound >= 0.2.8], have_esd=yes, have_esd=no) if test x$have_esd = xno; then AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no) fi if test x$have_esd = xyes; then AC_ARG_ENABLE(esd-shared, [AS_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [default=yes]])], , enable_esd_shared=yes) esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/esd/*.c" EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS" if test x$have_loadso != xyes && \ test x$enable_esd_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading]) fi if test x$have_loadso = xyes && \ test x$enable_esd_shared = xyes && test x$esd_lib != x; then echo "-- dynamic libesd -> $esd_lib" AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ]) SUMMARY_audio="${SUMMARY_audio} esd(dynamic)" else EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS" SUMMARY_audio="${SUMMARY_audio} esd" fi have_audio=yes fi fi } dnl Find Pipewire CheckPipewire() { AC_ARG_ENABLE(pipewire, [AS_HELP_STRING([--enable-pipewire], [use Pipewire audio [default=yes]])], , enable_pipewire=yes) if test x$enable_audio = xyes -a x$enable_pipewire = xyes; then PKG_CHECK_MODULES([PIPEWIRE], [libpipewire-0.3 >= 0.3.20], audio_pipewire=yes, audio_pipewire=no) if test x$audio_pipewire = xyes; then AC_ARG_ENABLE(pipewire-shared, [AS_HELP_STRING([--enable-pipewire-shared], [dynamically load Pipewire support [default=yes]])], , enable_pipewire_shared=yes) pipewire_lib=[`find_lib "libpipewire-0.3.so.*" "$PIPEWIRE_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] AC_DEFINE(SDL_AUDIO_DRIVER_PIPEWIRE, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/pipewire/*.c" EXTRA_CFLAGS="$EXTRA_CFLAGS $PIPEWIRE_CFLAGS" if test x$have_loadso != xyes && \ test x$enable_pipewire_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Pipewire loading]) fi if test x$have_loadso = xyes && \ test x$enable_pipewire_shared = xyes && test x$pipewire_lib != x; then echo "-- dynamic libpipewire-0.3 -> $pipewire_lib" AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PIPEWIRE_DYNAMIC, "$pipewire_lib", [ ]) SUMMARY_audio="${SUMMARY_audio} pipewire(dynamic)" else EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PIPEWIRE_LIBS" SUMMARY_audio="${SUMMARY_audio} pipewire" fi have_audio=yes fi fi } dnl Find PulseAudio CheckPulseAudio() { AC_ARG_ENABLE(pulseaudio, [AS_HELP_STRING([--enable-pulseaudio], [use PulseAudio [default=yes]])], , enable_pulseaudio=yes) if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then PKG_CHECK_MODULES([PULSEAUDIO], [libpulse-simple >= 0.9], audio_pulseaudio=yes, audio_pulseaudio=no) if test x$audio_pulseaudio = xyes; then AC_ARG_ENABLE(pulseaudio-shared, [AS_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [default=yes]])], , enable_pulseaudio_shared=yes) pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c" EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS" if test x$have_loadso != xyes && \ test x$enable_pulseaudio_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading]) fi if test x$have_loadso = xyes && \ test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then echo "-- dynamic libpulse-simple -> $pulseaudio_lib" AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ]) SUMMARY_audio="${SUMMARY_audio} pulse(dynamic)" case "$host" in # On Solaris, pulseaudio must be linked deferred explicitly # to prevent undefined symbol failures. *-*-solaris*) PULSEAUDIO_LIBS=`echo $PULSEAUDIO_LIBS | sed 's/\-l/-Wl,-l/g'` EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $PULSEAUDIO_LIBS -Wl,-znodeferred" esac else EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS" SUMMARY_audio="${SUMMARY_audio} pulse" fi have_audio=yes fi fi } CheckARTSC() { AC_ARG_ENABLE(arts, [AS_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [default=yes]])], , enable_arts=yes) if test x$enable_audio = xyes -a x$enable_arts = xyes; then AC_PATH_PROG(ARTSCONFIG, artsc-config) if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then : # arts isn't installed else ARTS_CFLAGS=`$ARTSCONFIG --cflags` ARTS_LIBS=`$ARTSCONFIG --libs` AC_MSG_CHECKING(for aRts development environment) audio_arts=no save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $ARTS_CFLAGS" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[ arts_stream_t stream; ]])], [audio_arts=yes],[]) CFLAGS="$save_CFLAGS" AC_MSG_RESULT($audio_arts) if test x$audio_arts = xyes; then AC_ARG_ENABLE(arts-shared, [AS_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [default=yes]])], , enable_arts_shared=yes) arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/arts/*.c" EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS" if test x$have_loadso != xyes && \ test x$enable_arts_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading]) fi if test x$have_loadso = xyes && \ test x$enable_arts_shared = xyes && test x$arts_lib != x; then echo "-- dynamic libartsc -> $arts_lib" AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ]) SUMMARY_audio="${SUMMARY_audio} arts(dynamic)" else EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS" SUMMARY_audio="${SUMMARY_audio} arts" fi have_audio=yes fi fi fi } dnl See if the NAS audio interface is supported CheckNAS() { AC_ARG_ENABLE(nas, [AS_HELP_STRING([--enable-nas], [support the NAS audio API [default=yes]])], , enable_nas=yes) if test x$enable_audio = xyes -a x$enable_nas = xyes; then AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes) AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes) AC_MSG_CHECKING(for NAS audio support) have_nas=no if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then have_nas=yes NAS_LIBS="-laudio" elif test -r /usr/X11R6/include/audio/audiolib.h; then have_nas=yes NAS_CFLAGS="-I/usr/X11R6/include/" NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt" fi AC_MSG_RESULT($have_nas) if test x$have_nas = xyes; then AC_ARG_ENABLE(nas-shared, [AS_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [default=yes]])], , enable_nas_shared=yes) nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] if test x$have_loadso != xyes && \ test x$enable_nas_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading]) fi if test x$have_loadso = xyes && \ test x$enable_nas_shared = xyes && test x$nas_lib != x; then echo "-- dynamic libaudio -> $nas_lib" AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ]) SUMMARY_audio="${SUMMARY_audio} nas(dynamic)" else EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS" SUMMARY_audio="${SUMMARY_audio} nas" fi AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/nas/*.c" EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS" have_audio=yes fi fi } dnl See if the sndio audio interface is supported CheckSNDIO() { AC_ARG_ENABLE(sndio, [AS_HELP_STRING([--enable-sndio], [support the sndio audio API [default=yes]])], , enable_sndio=yes) if test x$enable_audio = xyes -a x$enable_sndio = xyes; then AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes) AC_CHECK_LIB(sndio, sio_open, have_sndio_lib=yes) AC_MSG_CHECKING(for sndio audio support) have_sndio=no if test x$have_sndio_hdr = xyes -a x$have_sndio_lib = xyes; then have_sndio=yes SNDIO_LIBS="-lsndio" fi AC_MSG_RESULT($have_sndio) if test x$have_sndio = xyes; then AC_ARG_ENABLE(sndio-shared, [AS_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [default=yes]])], , enable_sndio_shared=yes) sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] if test x$have_loadso != xyes && \ test x$enable_sndio_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic sndio loading]) fi if test x$have_loadso = xyes && \ test x$enable_sndio_shared = xyes && test x$sndio_lib != x; then echo "-- dynamic libsndio -> $sndio_lib" AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC, "$sndio_lib", [ ]) SUMMARY_audio="${SUMMARY_audio} sndio(dynamic)" else EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SNDIO_LIBS" SUMMARY_audio="${SUMMARY_audio} sndio" fi AC_DEFINE(SDL_AUDIO_DRIVER_SNDIO, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/sndio/*.c" EXTRA_CFLAGS="$EXTRA_CFLAGS $SNDIO_CFLAGS" have_audio=yes fi fi } dnl Find FusionSound CheckFusionSound() { AC_ARG_ENABLE(fusionsound, [AS_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [default=no]])], , enable_fusionsound=no) if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then PKG_CHECK_MODULES([FUSIONSOUND], [fusionsound >= 1.1.1], fusionsound=yes, fusionsound=no) if test x$fusionsound = xyes; then AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c" EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS" AC_ARG_ENABLE(fusionsound-shared, [AS_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [default=yes]])], , enable_fusionsound_shared=yes) fusionsound_shared=no AC_MSG_CHECKING(for FusionSound dynamic loading support) if test x$have_loadso != xyes && \ test x$enable_fusionsound_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading]) fi if test x$have_loadso = xyes && \ test x$enable_fusionsound_shared = xyes; then AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ]) fusionsound_shared=yes SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)" else EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS" SUMMARY_audio="${SUMMARY_audio} fusionsound" fi AC_MSG_RESULT($fusionsound_shared) have_audio=yes fi fi } dnl rcg07142001 See if the user wants the disk writer audio driver... CheckDiskAudio() { AC_ARG_ENABLE(diskaudio, [AS_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [default=yes]])], , enable_diskaudio=yes) if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/disk/*.c" SUMMARY_audio="${SUMMARY_audio} disk" have_audio=yes fi } dnl rcg03142006 See if the user wants the dummy audio driver... CheckDummyAudio() { AC_ARG_ENABLE(dummyaudio, [AS_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [default=yes]])], , enable_dummyaudio=yes) if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c" SUMMARY_audio="${SUMMARY_audio} dummy" have_audio=yes fi } dnl See if libsamplerate is available CheckLibSampleRate() { AC_ARG_ENABLE(libsamplerate, [AS_HELP_STRING([--enable-libsamplerate], [use libsamplerate for audio rate conversion [default=yes]])], , enable_libsamplerate=yes) if test x$enable_libsamplerate = xyes; then AC_CHECK_HEADER(samplerate.h, have_samplerate_h_hdr=yes, have_samplerate_h_hdr=no) if test x$have_samplerate_h_hdr = xyes; then AC_DEFINE(HAVE_LIBSAMPLERATE_H, 1, [ ]) AC_ARG_ENABLE(libsamplerate-shared, [AS_HELP_STRING([--enable-libsamplerate-shared], [dynamically load libsamplerate [default=yes]])], , enable_libsamplerate_shared=yes) samplerate_lib=[`find_lib "libsamplerate.so.*" "" | sed 's/.*\/\(.*\)/\1/; q'`] if test x$have_loadso != xyes && \ test x$enable_libsamplerate_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic libsamplerate loading]) fi if test x$have_loadso = xyes && \ test x$enable_libsamplerate_shared = xyes && test x$samplerate_lib != x; then echo "-- dynamic libsamplerate -> $samplerate_lib" AC_DEFINE_UNQUOTED(SDL_LIBSAMPLERATE_DYNAMIC, "$samplerate_lib", [ ]) else EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lsamplerate" fi fi fi } dnl Check for ARM instruction support using gas syntax CheckARM() { AC_ARG_ENABLE(arm-simd, [AS_HELP_STRING([--enable-arm-simd], [use SIMD assembly blitters on ARM [default=no]])], enable_arm_simd=$enableval, enable_arm_simd=no) if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_arm_simd = xyes; then save_CFLAGS="$CFLAGS" have_arm_simd=no CFLAGS="-x assembler-with-cpp $CFLAGS" AC_MSG_CHECKING(for ARM SIMD) AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ .text .arch armv6 .object_arch armv4 .arm .altmacro #ifndef __ARM_EABI__ #error EABI is required (to be sure that calling conventions are compatible) #endif pld [r0] uqadd8 r0, r0, r0 ]])], have_arm_simd=yes) AC_MSG_RESULT($have_arm_simd) CFLAGS="$save_CFLAGS" if test x$have_arm_simd = xyes; then AC_DEFINE(SDL_ARM_SIMD_BLITTERS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/arm/pixman-arm-simd*.S" WARN_ABOUT_ARM_SIMD_ASM_MIT="yes" fi fi } dnl Check for ARM NEON instruction support using gas syntax CheckNEON() { AC_ARG_ENABLE(arm-neon, [AS_HELP_STRING([--enable-arm-neon], [use NEON assembly blitters on ARM [default=no]])], enable_arm_neon=$enableval, enable_arm_neon=no) if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_arm_neon = xyes; then save_CFLAGS="$CFLAGS" have_arm_neon=no CFLAGS="-x assembler-with-cpp $CFLAGS" AC_MSG_CHECKING(for ARM NEON) AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ .text .fpu neon .arch armv7a .object_arch armv4 .eabi_attribute 10, 0 .arm .altmacro #ifndef __ARM_EABI__ #error EABI is required (to be sure that calling conventions are compatible) #endif pld [r0] vmovn.u16 d0, q0 ]])], have_arm_neon=yes) AC_MSG_RESULT($have_arm_neon) CFLAGS="$save_CFLAGS" if test x$have_arm_neon = xyes; then AC_DEFINE(SDL_ARM_NEON_BLITTERS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/arm/pixman-arm-neon*.S" WARN_ABOUT_ARM_NEON_ASM_MIT="yes" fi fi } dnl See if clang's -fobjc-arc supported. dnl Reference: https://github.com/libsdl-org/SDL/pull/5632 CheckObjectiveCARC() { AC_MSG_CHECKING(for clang -fobjc-arc option) have_clang_objc_arc=no save_CFLAGS="$CFLAGS" CFLAGS="$save_CFLAGS -fobjc-arc" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ int x = 0; ]],[])], [have_clang_objc_arc=yes],[]) AC_MSG_RESULT($have_clang_objc_arc) CFLAGS="$save_CFLAGS" if test x$have_clang_objc_arc = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS -fobjc-arc" fi } dnl See if GCC's -gdwarf-4 is supported dnl See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101377 for why this is needed on Windows CheckGDwarf4() { AC_MSG_CHECKING(for GCC -gdwarf-4 option) have_gcc_gdwarf4=no save_CFLAGS="$CFLAGS" CFLAGS="$save_CFLAGS -gdwarf-4" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ int x = 0; ]],[])], [have_gcc_gdwarf4=yes],[]) AC_MSG_RESULT($have_gcc_gdwarf4) CFLAGS="$save_CFLAGS" if test x$have_gcc_gdwarf4 = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS -gdwarf-4" fi } dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually). dnl Details of this flag are here: http://gcc.gnu.org/wiki/Visibility CheckVisibilityHidden() { AC_MSG_CHECKING(for GCC -fvisibility=hidden option) have_gcc_fvisibility=no visibility_CFLAGS="-fvisibility=hidden" save_CFLAGS="$CFLAGS" CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #if !defined(__GNUC__) || __GNUC__ < 4 #error SDL only uses visibility attributes in GCC 4 or newer #endif ]],[])], [have_gcc_fvisibility=yes],[]) AC_MSG_RESULT($have_gcc_fvisibility) CFLAGS="$save_CFLAGS" if test x$have_gcc_fvisibility = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS" fi } dnl See if GCC's -fno-strict-aliasingis supported. dnl Reference: https://bugzilla.libsdl.org/show_bug.cgi?id=4254 CheckNoStrictAliasing() { AC_MSG_CHECKING(for GCC -fno-strict-aliasing option) have_gcc_no_strict_aliasing=no save_CFLAGS="$CFLAGS" CFLAGS="$save_CFLAGS -fno-strict-aliasing" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ int x = 0; ]],[])], [have_gcc_no_strict_aliasing=yes],[]) AC_MSG_RESULT($have_gcc_no_strict_aliasing) CFLAGS="$save_CFLAGS" if test x$have_gcc_no_strict_aliasing = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS -fno-strict-aliasing" fi } dnl See if GCC's -mpreferred-stack-boundary is supported. dnl Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296 CheckStackBoundary() { AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option) have_gcc_preferred_stack_boundary=no save_CFLAGS="$CFLAGS" CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ int x = 0; ]],[])], [have_gcc_preferred_stack_boundary=yes],[]) AC_MSG_RESULT($have_gcc_preferred_stack_boundary) CFLAGS="$save_CFLAGS" if test x$have_gcc_preferred_stack_boundary = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2" fi } dnl See if GCC's -Wdeclaration-after-statement is supported. dnl This lets us catch things that would fail on a C89 compiler when using dnl a modern GCC. CheckDeclarationAfterStatement() { AC_MSG_CHECKING(for GCC -Wdeclaration-after-statement option) have_gcc_declaration_after_statement=no save_CFLAGS="$CFLAGS" CFLAGS="$save_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ int x = 0; ]],[])], [have_gcc_declaration_after_statement=yes],[]) AC_MSG_RESULT($have_gcc_declaration_after_statement) CFLAGS="$save_CFLAGS" if test x$have_gcc_declaration_after_statement = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS -Wdeclaration-after-statement -Werror=declaration-after-statement" fi } dnl See if GCC's -Wall is supported. CheckWarnAll() { AC_MSG_CHECKING(for GCC -Wall option) have_gcc_Wall=no save_CFLAGS="$CFLAGS" CFLAGS="$save_CFLAGS -Wall" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ int x = 0; ]],[])], [have_gcc_Wall=yes],[]) AC_MSG_RESULT($have_gcc_Wall) CFLAGS="$save_CFLAGS" if test x$have_gcc_Wall = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall" dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall. AC_MSG_CHECKING(for necessary GCC -Wno-multichar option) need_gcc_Wno_multichar=no case "$host" in *-*-haiku*) need_gcc_Wno_multichar=yes ;; esac AC_MSG_RESULT($need_gcc_Wno_multichar) if test x$need_gcc_Wno_multichar = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar" fi fi } dnl Check for Wayland CheckWayland() { AC_ARG_ENABLE(video-wayland, [AS_HELP_STRING([--enable-video-wayland], [use Wayland video driver [default=yes]])], ,enable_video_wayland=yes) AC_ARG_ENABLE(video-wayland-qt-touch, [AS_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [default=yes]])], ,enable_video_wayland_qt_touch=yes) if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then AC_MSG_CHECKING(for Wayland support) video_wayland=no if test x$video_opengl_egl = xyes && \ test x$video_opengles_v2 = xyes; then if $PKG_CONFIG --exists 'wayland-client >= 1.18' wayland-scanner wayland-egl wayland-cursor egl 'xkbcommon >= 0.5.0'; then WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon` WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon` WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner` AS_IF([$PKG_CONFIG --exists 'wayland-scanner >= 1.15'], [WAYLAND_SCANNER_CODE_MODE=private-code], [WAYLAND_SCANNER_CODE_MODE=code]) video_wayland=yes fi fi AC_MSG_RESULT($video_wayland) if test x$video_wayland = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ]) if test x$enable_video_wayland_qt_touch = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ]) fi WAYLAND_SOURCES="$srcdir/src/video/wayland/*.c" SOURCES="$SOURCES $WAYLAND_SOURCES" EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS -I\$(gen)" AC_ARG_ENABLE(wayland-shared, [AS_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [default=maybe]])], , enable_wayland_shared=maybe) dnl FIXME: Do BSD and OS X need special cases? case "$host" in *) wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] if test x$wayland_egl_lib = x; then # This works in Ubuntu 13.10, maybe others wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] fi wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] ;; esac if test x$enable_wayland_shared = xmaybe; then enable_wayland_shared=yes fi if test x$have_loadso != xyes && \ test x$enable_wayland_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading]) enable_wayland_shared=no fi if test x$have_loadso = xyes && \ test x$enable_wayland_shared = xyes && \ test x$wayland_client_lib != x && \ test x$wayland_egl_lib != x && \ test x$wayland_cursor_lib != x && \ test x$xkbcommon_lib != x; then echo "-- dynamic libwayland-client -> $wayland_client_lib" echo "-- dynamic libwayland-egl -> $wayland_egl_lib" echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib" echo "-- dynamic libxkbcommon -> $xkbcommon_lib" AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ]) AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ]) AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ]) AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ]) SUMMARY_video="${SUMMARY_video} wayland(dynamic)" else enable_wayland_shared=no EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS" SUMMARY_video="${SUMMARY_video} wayland" fi have_video=yes dnl See if libdecor is available AC_ARG_ENABLE(libdecor, [AS_HELP_STRING([--enable-libdecor], [use libdecor for Wayland client-side decorations [default=yes]])],, enable_libdecor=yes) if test x$enable_libdecor = xyes; then PKG_CHECK_MODULES([DECOR], [libdecor-0], video_libdecor=yes, video_libdecor=no) if test x$video_libdecor = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS $DECOR_CFLAGS" AC_DEFINE(HAVE_LIBDECOR_H, 1, [ ]) AC_ARG_ENABLE(libdecor-shared, [AS_HELP_STRING([--enable-libdecor-shared], [dynamically load libdecor [default=yes]])],, enable_libdecor_shared=yes) decor_lib=[`find_lib "libdecor-0.so.*" "$DECOR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] if test x$enable_wayland_shared != xyes; then enable_libdecor_shared=no fi if test x$have_loadso != xyes && \ test x$enable_libdecor_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic libdecor loading]) fi if test x$have_loadso = xyes && \ test x$enable_libdecor_shared = xyes && test x$decor_lib != x; then echo "-- dynamic libdecor -> $decor_lib" AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_LIBDECOR, "$decor_lib", [ ]) else EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DECOR_LIBS" fi fi fi fi fi } dnl Check for Native Client stuff CheckNativeClient() { AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #if !defined(__native_client__) #error "NO NACL" #endif ]],[])], [ AC_DEFINE(SDL_VIDEO_DRIVER_NACL, 1, [ ]) AC_DEFINE(SDL_AUDIO_DRIVER_NACL, 1, [ ]) AC_DEFINE(HAVE_POW, 1, [ ]) AC_DEFINE(HAVE_OPENGLES2, 1, [ ]) AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ]) AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ]) SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS" SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c" SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c" SUMMARY_audio="${SUMMARY_audio} nacl" have_audio=yes SOURCES="$SOURCES $srcdir/src/video/nacl/*.c" SUMMARY_video="${SUMMARY_video} nacl opengles2" have_video=yes ],[]) } CheckRPI() { AC_ARG_ENABLE(video-rpi, [AS_HELP_STRING([--enable-video-rpi], [use Raspberry Pi 2/3 video driver [default=yes]])], , enable_video_rpi=yes) if test x$enable_video = xyes -a x$enable_video_rpi = xyes; then PKG_CHECK_MODULES([RPI], [bcm_host brcmegl], video_rpi=yes, video_rpi=no) if test x$video_rpi = xno; then if test x$ARCH = xnetbsd; then RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux" RPI_LIBS="-Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host" else RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux" RPI_LIBS="-Wl,-rpath,/opt/vc/lib -L/opt/vc/lib -lbcm_host" fi fi # Save the original compiler flags and libraries ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS" # Add the Raspberry Pi compiler flags and libraries CFLAGS="$CFLAGS $RPI_CFLAGS"; LIBS="$LIBS $RPI_LIBS" AC_MSG_CHECKING(for Raspberry Pi 2/3) have_video_rpi=no AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[ EGL_DISPMANX_WINDOW_T window; bcm_host_init(); ]])], [have_video_rpi=yes],[]) AC_MSG_RESULT($have_video_rpi) # Restore the compiler flags and libraries CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs" if test x$have_video_rpi = xyes; then CFLAGS="$CFLAGS $RPI_CFLAGS" SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS" EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS" EXTRA_LDFLAGS="$EXTRA_LDFLAGS $RPI_LIBS" SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c" AC_DEFINE(SDL_VIDEO_DRIVER_RPI, 1, [ ]) SUMMARY_video="${SUMMARY_video} rpi" have_video=yes fi fi } dnl Find the X11 include and library directories CheckX11() { AC_ARG_ENABLE(video-x11, [AS_HELP_STRING([--enable-video-x11], [use X11 video driver [default=yes]])], , enable_video_x11=yes) if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then case "$host" in *-*-darwin*) # This isn't necessary for X11, but fixes GLX detection if test "x$x_includes" = xNONE && \ test "x$x_libraries" = xNONE && \ test -d /opt/X11/include && \ test -d /opt/X11/lib; then x_includes="/opt/X11/include" x_libraries="/opt/X11/lib" fi ;; esac AC_PATH_X AC_PATH_XTRA if test x$have_x = xyes; then AC_ARG_ENABLE(x11-shared, [AS_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [default=maybe]])], , enable_x11_shared=maybe) case "$host" in *-*-darwin*) # Apple now puts this in /opt/X11 x11_lib='/opt/X11/lib/libX11.6.dylib' x11ext_lib='/opt/X11/lib/libXext.6.dylib' xcursor_lib='/opt/X11/lib/libXcursor.1.dylib' xinput_lib='/opt/X11/lib/libXi.6.dylib' xfixes_lib='/opt/X11/lib/libXfixes.3.dylib' xrandr_lib='/opt/X11/lib/libXrandr.2.dylib' xrender_lib='/opt/X11/lib/libXrender.1.dylib' xss_lib='/opt/X11/lib/libXss.1.dylib' ;; *-*-openbsd*) x11_lib='libX11.so' x11ext_lib='libXext.so' xcursor_lib='libXcursor.so' xinput_lib='libXi.so' xfixes_lib='libXfixes.so' xrandr_lib='libXrandr.so' xrender_lib='libXrender.so' xss_lib='libXss.so' ;; *) x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`] x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`] xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`] xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`] xfixes_lib=[`find_lib "libXfixes.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`] xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`] xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`] xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`] ;; esac if test x$ac_cv_func_shmat != xyes; then X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY" fi CFLAGS="$CFLAGS $X_CFLAGS" LDFLAGS="$LDFLAGS $X_LIBS" AC_CHECK_HEADER(X11/extensions/Xext.h, have_xext_h_hdr=yes, have_xext_h_hdr=no, [#include #include ]) if test x$have_xext_h_hdr != xyes; then AC_MSG_ERROR([ *** Missing Xext.h, maybe you need to install the libxext-dev package? ]) fi AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/x11/*.c" EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS" # Needed so SDL applications can include SDL_syswm.h SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS" if test x$enable_x11_shared = xmaybe; then enable_x11_shared=yes fi if test x$have_loadso != xyes && \ test x$enable_x11_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading]) enable_x11_shared=no fi if test x$have_loadso = xyes && \ test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then echo "-- dynamic libX11 -> $x11_lib" echo "-- dynamic libX11ext -> $x11ext_lib" AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ]) AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ]) SUMMARY_video="${SUMMARY_video} x11(dynamic)" else enable_x11_shared=no EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext" SUMMARY_video="${SUMMARY_video} x11" fi have_video=yes AC_MSG_CHECKING([for XGenericEvent]) have_XGenericEvent=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[ Display *display; XEvent event; XGenericEventCookie *cookie = &event.xcookie; XNextEvent(display, &event); XGetEventData(display, cookie); XFreeEventData(display, cookie); ]])], [ have_XGenericEvent=yes AC_DEFINE([SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS], 1, [ ]) ],[]) AC_MSG_RESULT($have_XGenericEvent) AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym])) AC_ARG_ENABLE(video-x11-xcursor, [AS_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [default=yes]])], , enable_video_x11_xcursor=yes) if test x$enable_video_x11_xcursor = xyes; then definitely_enable_video_x11_xcursor=no AC_CHECK_HEADER(X11/Xcursor/Xcursor.h, have_xcursor_h_hdr=yes, have_xcursor_h_hdr=no, [#include ]) if test x$have_xcursor_h_hdr = xyes; then if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then echo "-- dynamic libXcursor -> $xcursor_lib" AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ]) definitely_enable_video_x11_xcursor=yes else AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes) if test x$have_xcursor_lib = xyes ; then EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor" definitely_enable_video_x11_xcursor=yes fi fi fi fi if test x$definitely_enable_video_x11_xcursor = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ]) SUMMARY_video_x11="${SUMMARY_video_x11} xcursor" fi AC_ARG_ENABLE(video-x11-xdbe, [AS_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [default=yes]])], , enable_video_x11_xdbe=yes) if test x$enable_video_x11_xdbe = xyes; then AC_CHECK_HEADER(X11/extensions/Xdbe.h, have_dbe_h_hdr=yes, have_dbe_h_hdr=no, [#include ]) if test x$have_dbe_h_hdr = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ]) SUMMARY_video_x11="${SUMMARY_video_x11} xdbe" fi fi AC_ARG_ENABLE(video-x11-xinput, [AS_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [default=yes]])], , enable_video_x11_xinput=yes) if test x$enable_video_x11_xinput = xyes; then definitely_enable_video_x11_xinput=no AC_CHECK_HEADER(X11/extensions/XInput2.h, have_xinput_h_hdr=yes, have_xinput_h_hdr=no, [#include ]) if test x$have_xinput_h_hdr = xyes; then if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then echo "-- dynamic libXi -> $xinput_lib" AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ]) definitely_enable_video_x11_xinput=yes else AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes) if test x$have_xinput_lib = xyes ; then EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi" definitely_enable_video_x11_xinput=yes fi fi fi fi if test x$definitely_enable_video_x11_xinput = xyes; then SUMMARY_video_x11="${SUMMARY_video_x11} xinput2" AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ]) AC_MSG_CHECKING(for xinput2 multitouch) have_xinput2_multitouch=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include #include ]], [[ int event_type = XI_TouchBegin; XITouchClassInfo *t; ]])], [ have_xinput2_multitouch=yes AC_DEFINE([SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH], 1, [ ]) SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch" ],[]) AC_MSG_RESULT($have_xinput2_multitouch) fi AC_ARG_ENABLE(video-x11-xfixes, [AS_HELP_STRING([--enable-video-x11-xfixes], [enable X11 Xfixes support [default=yes]])], , enable_video_x11_xfixes=yes) if test x$enable_video_x11_xfixes = xyes; then definitely_enable_video_x11_xfixes=no # check along with XInput2.h because we use Xfixes with XIBarrierReleasePointer AC_MSG_CHECKING(for X11/extensions/Xfixes.h) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include #include #include ]], [BarrierEventID b;])], [have_xfixes_h_hdr=yes], [have_xfixes_h_hdr=no]) AC_MSG_RESULT($have_xfixes_h_hdr) if test x$have_xfixes_h_hdr = xyes; then if test x$enable_x11_shared = xyes && test x$xfixes_lib != x ; then echo "-- dynamic libXfixes -> $xfixes_lib" AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XFIXES, "$xfixes_lib", [ ]) definitely_enable_video_x11_xfixes=yes else AC_CHECK_LIB(Xfixes, XFixesCreatePointerBarrier, have_xfixes_lib=yes) if test x$have_xfixes_lib = xyes ; then EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXfixes" definitely_enable_video_x11_xfixes=yes fi fi fi fi if test x$definitely_enable_video_x11_xfixes = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_X11_XFIXES, 1, [ ]) SUMMARY_video_x11="${SUMMARY_video_x11} xfixes" fi AC_ARG_ENABLE(video-x11-xrandr, [AS_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [default=yes]])], , enable_video_x11_xrandr=yes) if test x$enable_video_x11_xrandr = xyes; then dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test. definitely_enable_video_x11_xrandr=no have_xrandr_h_hdr=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[ XRRScreenResources *res = NULL; ]])], [have_xrandr_h_hdr=yes],[]) if test x$have_xrandr_h_hdr = xyes; then if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then echo "-- dynamic libXrandr -> $xrandr_lib" AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ]) definitely_enable_video_x11_xrandr=yes else AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes) if test x$have_xrandr_lib = xyes ; then EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr" definitely_enable_video_x11_xrandr=yes fi fi fi fi if test x$definitely_enable_video_x11_xrandr = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ]) SUMMARY_video_x11="${SUMMARY_video_x11} xrandr" fi AC_ARG_ENABLE(video-x11-scrnsaver, [AS_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [default=yes]])], , enable_video_x11_scrnsaver=yes) if test x$enable_video_x11_scrnsaver = xyes; then AC_CHECK_HEADER(X11/extensions/scrnsaver.h, have_scrnsaver_h_hdr=yes, have_scrnsaver_h_hdr=no, [#include ]) if test x$have_scrnsaver_h_hdr = xyes; then if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then echo "-- dynamic libXss -> $xss_lib" AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ]) definitely_enable_video_x11_scrnsaver=yes else AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes) if test x$have_xss_lib = xyes ; then EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss" definitely_enable_video_x11_scrnsaver=yes fi fi fi fi if test x$definitely_enable_video_x11_scrnsaver = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ]) SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver" fi AC_ARG_ENABLE(video-x11-xshape, [AS_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [default=yes]])], , enable_video_x11_xshape=yes) if test x$enable_video_x11_xshape = xyes; then AC_CHECK_HEADER(X11/extensions/shape.h, have_shape_h_hdr=yes, have_shape_h_hdr=no, [#include ]) if test x$have_shape_h_hdr = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ]) SUMMARY_video_x11="${SUMMARY_video_x11} xshape" fi fi fi fi if test x$have_x != xyes; then # Prevent Mesa from including X11 headers EXTRA_CFLAGS="$EXTRA_CFLAGS -DMESA_EGL_NO_X11_HEADERS -DEGL_NO_X11" fi } dnl Set up the Vivante video driver if enabled CheckVivanteVideo() { AC_ARG_ENABLE(video-vivante, [AS_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [default=yes]])], , enable_video_vivante=yes) if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then AC_MSG_CHECKING(for Vivante VDK API) have_vivante_vdk=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #define LINUX #define EGL_API_FB #include ]],[])], [have_vivante_vdk=yes],[]) AC_MSG_RESULT($have_vivante_vdk) AC_MSG_CHECKING(for Vivante FB API) have_vivante_egl=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #define LINUX #define EGL_API_FB #include ]],[])], [have_vivante_egl=yes],[]) AC_MSG_RESULT($have_vivante_egl) if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ]) EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB" if test x$have_vivante_vdk = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ]) EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK" fi SOURCES="$SOURCES $srcdir/src/video/vivante/*.c" SUMMARY_video="${SUMMARY_video} vivante" have_video=yes fi fi } dnl Set up the Haiku video driver if enabled CheckHaikuVideo() { if test x$enable_video = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc" have_video=yes SUMMARY_video="${SUMMARY_video} haiku" fi } dnl Set up the Cocoa video driver for Mac OS X (but not Darwin) CheckCOCOA() { AC_ARG_ENABLE(video-cocoa, [AS_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [default=yes]])], , enable_video_cocoa=yes) if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then save_CFLAGS="$CFLAGS" dnl Work around that we don't have Objective-C support in autoconf CFLAGS="$CFLAGS -x objective-c" AC_MSG_CHECKING(for Cocoa framework) have_cocoa=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #import ]],[])], [have_cocoa=yes],[]) AC_MSG_RESULT($have_cocoa) CFLAGS="$save_CFLAGS" if test x$have_cocoa = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m" SUMMARY_video="${SUMMARY_video} cocoa" have_video=yes fi fi } CheckMETAL() { AC_ARG_ENABLE(video-metal, [AS_HELP_STRING([--enable-video-metal], [include Metal support [default=yes]])], , enable_video_metal=yes) AC_ARG_ENABLE(render-metal, [AS_HELP_STRING([--enable-render-metal], [enable the Metal render driver [default=yes]])], , enable_render_metal=yes) if test x$enable_video = xyes -a x$enable_video_metal = xyes; then save_CFLAGS="$CFLAGS" dnl Work around that we don't have Objective-C support in autoconf CFLAGS="$CFLAGS -x objective-c" AC_MSG_CHECKING(for Metal framework) have_metal=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #import #import #import #if TARGET_CPU_X86 #error Metal doesn't work on this configuration #endif ]],[])], [have_metal=yes],[]) CFLAGS="$save_CFLAGS" AC_MSG_RESULT($have_metal) if test x$have_metal = xyes; then AC_DEFINE(SDL_VIDEO_METAL, 1, [ ]) if test x$enable_render = xyes -a x$enable_render_metal = xyes; then AC_DEFINE(SDL_VIDEO_RENDER_METAL, 1, [ ]) SOURCES="$SOURCES $srcdir/src/render/metal/*.m" fi SUMMARY_video="${SUMMARY_video} metal" else enable_video_metal=no enable_render_metal=no fi fi } dnl Find DirectFB CheckDirectFB() { AC_ARG_ENABLE(video-directfb, [AS_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [default=no]])], , enable_video_directfb=no) if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then PKG_CHECK_MODULES([DIRECTFB], [directfb >= 1.0.0], video_directfb=yes, video_directfb=no) if test x$video_directfb = xyes; then # SuSE 11.1 installs directfb-config without directfb-devel save_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS" AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no) CPPFLAGS="$save_CPPFLAGS" video_directfb=$have_directfb_hdr fi if test x$video_directfb = xyes; then AC_ARG_ENABLE(directfb-shared, [AS_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [default=yes]])], , enable_directfb_shared=yes) AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ]) AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/directfb/*.c" EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS" directfb_shared=no directfb_lib=[`find_lib "libdirectfb*.so.*" "$DIRECTFB_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`] if test x$have_loadso != xyes && \ test x$enable_directfb_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading]) fi if test x$have_loadso = xyes && \ test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then directfb_shared=yes echo "-- dynamic libdirectfb -> $directfb_lib" AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ]) SUMMARY_video="${SUMMARY_video} directfb(dynamic)" else EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS" SUMMARY_video="${SUMMARY_video} directfb" fi SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS" have_video=yes fi fi } dnl Find KMSDRM CheckKMSDRM() { AC_ARG_ENABLE(video-kmsdrm, [AS_HELP_STRING([--enable-video-kmsdrm], [use KMSDRM video driver [default=yes]])], , enable_video_kmsdrm=yes) if test x$enable_video = xyes && \ test x$enable_video_kmsdrm = xyes && \ test x$video_opengl_egl = xyes; then video_kmsdrm=no PKG_CHECK_MODULES([LIBDRM], [libdrm >= 1.4.82], libdrm_avail=yes, libdrm_avail=no) PKG_CHECK_MODULES([LIBGBM], [gbm >= 11.1.0], libgbm_avail=yes, libgbm_avail=no) if test x$libdrm_avail = xyes -a x$libgbm_avail = xyes; then video_kmsdrm=yes fi if test x$video_kmsdrm = xyes; then AC_ARG_ENABLE(kmsdrm-shared, [AS_HELP_STRING([--enable-kmsdrm-shared], [dynamically load kmsdrm support [default=yes]])], , enable_kmsdrm_shared=yes) AC_DEFINE(SDL_VIDEO_DRIVER_KMSDRM, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/kmsdrm/*.c" EXTRA_CFLAGS="$EXTRA_CFLAGS $LIBDRM_CFLAGS $LIBGBM_CFLAGS" AC_MSG_CHECKING(for kmsdrm dynamic loading support) kmsdrm_shared=no drm_lib=[`find_lib "libdrm.so.*" "$LIBDRM_LIBS"`] gbm_lib=[`find_lib "libgbm.so.*" "$LIBGBM_LIBS"`] if test x$have_loadso != xyes && \ test x$enable_kmsdrm_shared = xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic kmsdrm loading]) fi if test x$have_loadso = xyes && \ test x$enable_kmsdrm_shared = xyes && test x$drm_lib != x && test x$gbm_lib != x; then kmsdrm_shared=yes AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC, "$drm_lib", [ ]) AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC_GBM, "$gbm_lib", [ ]) AC_DEFINE_UNQUOTED(HAVE_KMSDRM_SHARED, "TRUE", [ ]) SUMMARY_video="${SUMMARY_video} kmsdrm(dynamic)" else EXTRA_LDFLAGS="$EXTRA_LDFLAGS $LIBDRM_LIBS $LIBGBM_LIBS" SUMMARY_video="${SUMMARY_video} kmsdrm" fi AC_MSG_RESULT($kmsdrm_shared) if test x$kmsdrm_shared = xyes; then echo "-- dynamic libdrm -> $drm_lib" echo "-- dynamic libgbm -> $gbm_lib" fi have_video=yes fi fi } dnl rcg04172001 Set up the Null video driver. CheckDummyVideo() { AC_ARG_ENABLE(video-dummy, [AS_HELP_STRING([--enable-video-dummy], [use dummy video driver [default=yes]])], , enable_video_dummy=yes) if test x$enable_video_dummy = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/dummy/*.c" have_video=yes SUMMARY_video="${SUMMARY_video} dummy" fi } CheckOffscreenVideo() { AC_ARG_ENABLE(video-offscreen, [AS_HELP_STRING([--enable-video-offscreen], [use offscreen video driver [default=yes]])], , enable_video_offscreen=yes) if test x$enable_video_offscreen = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_OFFSCREEN, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/offscreen/*.c" have_video=yes SUMMARY_video="${SUMMARY_video} offscreen" fi } dnl Set up the QNX video driver if enabled CheckQNXVideo() { if test x$enable_video = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_QNX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/qnx/*.c" have_video=yes EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lscreen -lEGL -lGLESv2" SUMMARY_video="${SUMMARY_video} qnx" fi } dnl Set up the QNX audio driver if enabled CheckQNXAudio() { if test x$enable_audio = xyes; then AC_DEFINE(SDL_AUDIO_DRIVER_QSA, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/qsa/*.c" have_audio=yes EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lasound" SUMMARY_audio="${SUMMARY_audio} qsa" fi } dnl Check to see if OpenGL support is desired AC_ARG_ENABLE(video-opengl, [AS_HELP_STRING([--enable-video-opengl], [include OpenGL support [default=yes]])], , enable_video_opengl=yes) dnl Find GLX CheckGLX() { if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then AC_MSG_CHECKING(for GLX support) video_opengl_glx=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]],[])], [video_opengl_glx=yes],[]) AC_MSG_RESULT($video_opengl_glx) if test x$video_opengl_glx = xyes; then AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ]) AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ]) fi fi } dnl Check to see if OpenGL ES support is desired AC_ARG_ENABLE(video-opengles, [AS_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [default=yes]])], , enable_video_opengles=yes) AC_ARG_ENABLE(video-opengles1, [AS_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [default=yes]])], , enable_video_opengles1=yes) AC_ARG_ENABLE(video-opengles2, [AS_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [default=yes]])], , enable_video_opengles2=yes) dnl Find EGL CheckEGL() { if test x$enable_video = xyes -a x$enable_video_opengl = xyes || test x$enable_video = xyes -a x$enable_video_opengles = xyes; then AC_MSG_CHECKING(for EGL support) video_opengl_egl=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #define LINUX #define EGL_API_FB #define MESA_EGL_NO_X11_HEADERS #define EGL_NO_X11 #include #include ]],[])], [video_opengl_egl=yes],[]) AC_MSG_RESULT($video_opengl_egl) if test x$video_opengl_egl = xyes; then AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ]) fi fi } dnl Find OpenGL CheckOpenGL() { if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then AC_MSG_CHECKING(for OpenGL headers) video_opengl=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]],[])], [video_opengl=yes],[]) AC_MSG_RESULT($video_opengl) if test x$video_opengl = xyes; then AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ]) AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ]) SUMMARY_video="${SUMMARY_video} opengl" fi fi } dnl Find OpenGL ES CheckOpenGLES() { if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then if test x$enable_video_opengles1 = xyes; then AC_MSG_CHECKING(for OpenGL ES v1 headers) video_opengles_v1=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]],[])], [video_opengles_v1=yes],[]) AC_MSG_RESULT($video_opengles_v1) if test x$video_opengles_v1 = xyes; then AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ]) AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ]) SUMMARY_video="${SUMMARY_video} opengl_es1" fi fi if test x$enable_video_opengles2 = xyes; then AC_MSG_CHECKING(for OpenGL ES v2 headers) video_opengles_v2=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]],[])], [video_opengles_v2=yes],[]) AC_MSG_RESULT($video_opengles_v2) if test x$video_opengles_v2 = xyes; then AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ]) AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ]) SUMMARY_video="${SUMMARY_video} opengl_es2" fi fi fi } dnl Check for Windows OpenGL CheckWINDOWSGL() { if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ]) AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ]) AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ]) SUMMARY_video="${SUMMARY_video} opengl" fi } dnl Check for Windows OpenGL CheckWINDOWSGLES() { if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then AC_MSG_CHECKING(for EGL support) video_opengl_egl=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]],[])], [video_opengl_egl=yes],[]) AC_MSG_RESULT($video_opengl_egl) if test x$video_opengl_egl = xyes; then AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ]) AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ]) SUMMARY_video="${SUMMARY_video} opengl_es1" fi AC_MSG_CHECKING(for OpenGL ES v2 headers) video_opengles_v2=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]],[])], [video_opengles_v2=yes],[]) AC_MSG_RESULT($video_opengles_v2) if test x$video_opengles_v2 = xyes; then AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ]) AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ]) AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ]) SUMMARY_video="${SUMMARY_video} opengl_es2" fi fi } dnl Check for Haiku OpenGL CheckHaikuGL() { if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ]) AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ]) AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ]) EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL" SUMMARY_video="${SUMMARY_video} opengl" fi } dnl Check for MacOS OpenGL CheckMacGL() { if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ]) AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ]) AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ]) SUMMARY_video="${SUMMARY_video} opengl" fi } dnl Check for MacOS OpenGLES CheckMacGLES() { if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then video_opengl_egl=yes AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ]) video_opengles_v2=yes AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ]) AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ]) SUMMARY_video="${SUMMARY_video} opengl_es2" fi } CheckEmscriptenGLES() { if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then AC_MSG_CHECKING(for EGL support) video_opengl_egl=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]],[])], [video_opengl_egl=yes],[]) AC_MSG_RESULT($video_opengl_egl) if test x$video_opengl_egl = xyes; then AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ]) fi AC_MSG_CHECKING(for OpenGL ES v2 headers) video_opengles_v2=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]],[])], [video_opengles_v2=yes],[]) AC_MSG_RESULT($video_opengles_v2) if test x$video_opengles_v2 = xyes; then AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ]) AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ]) SUMMARY_video="${SUMMARY_video} opengl_es2" fi fi } dnl Check to see if Vulkan support is desired AC_ARG_ENABLE(video-vulkan, [AS_HELP_STRING([--enable-video-vulkan], [include Vulkan support [default=yes]])], , enable_video_vulkan=yes) dnl Find Vulkan Header CheckVulkan() { if test x$enable_video = xyes -a x$enable_video_vulkan = xyes; then case "$host" in *-*-android*) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #if defined(__ARM_ARCH) && __ARM_ARCH < 7 #error Vulkan doesn't work on this configuration #endif ]],[])], [],[enable_video_vulkan=no]) ;; *-*-darwin*) save_CFLAGS="$CFLAGS" dnl Work around that we don't have Objective-C support in autoconf CFLAGS="$CFLAGS -x objective-c" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include #include #if TARGET_CPU_X86 #error Vulkan doesn't work on this configuration #endif ]],[])], [],[enable_video_vulkan=no]) CFLAGS="$save_CFLAGS" ;; *) ;; esac if test x$enable_video_vulkan = xno; then # For reasons I am totally unable to see, I get an undefined macro error if # I put this in the AC_TRY_COMPILE. AC_MSG_WARN([Vulkan does not work on this configuration.]) fi fi if test x$have_loadso != xyes; then AC_MSG_WARN([Vulkan support is available, but disabled because there's no loadso.]) enable_video_vulkan=no fi if test x$enable_video_vulkan = xyes; then AC_DEFINE(SDL_VIDEO_VULKAN, 1, [ ]) SUMMARY_video="${SUMMARY_video} vulkan" fi } dnl See if we can use the new unified event interface in Linux 2.4 CheckInputEvents() { dnl Check for Linux 2.4 unified input event interface support AC_MSG_CHECKING(for Linux 2.4 unified input interface) use_input_events=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[ #ifndef EVIOCGNAME #error EVIOCGNAME() ioctl not available #endif ]])], [use_input_events=yes],[]) AC_MSG_RESULT($use_input_events) if test x$use_input_events = xyes; then AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ]) SUMMARY_input="${SUMMARY_input} linuxev" fi } dnl See if we can use the kernel kd.h header CheckInputKD() { AC_MSG_CHECKING(for Linux kd.h) use_input_kd=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include #include ]], [[ struct kbentry kbe; kbe.kb_table = KG_CTRL; ioctl(0, KDGKBENT, &kbe); ]])], [use_input_kd=yes],[]) AC_MSG_RESULT($use_input_kd) if test x$use_input_kd = xyes; then AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ]) SUMMARY_input="${SUMMARY_input} linuxkd" fi } dnl See if we can use the FreeBSD kernel kbio.h header CheckInputKBIO() { AC_MSG_CHECKING(for FreeBSD kbio.h) use_input_kbio=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[ accentmap_t accTable; ioctl(0, KDENABIO, 1); ]])], [use_input_kbio=yes],[]) AC_MSG_RESULT($use_input_kbio) if test x$use_input_kbio = xyes; then AC_DEFINE(SDL_INPUT_FBSDKBIO, 1, [ ]) SUMMARY_input="${SUMMARY_input} fbsdkbio" fi } dnl See if we can use the wscons input driver CheckInputWSCONS() { AC_MSG_CHECKING(for OpenBSD wscons) use_input_wscons=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include #include #include #include ]], [[ struct wskbd_map_data data; ioctl(0, WSKBDIO_GETMAP, &data); ]])], [use_input_wscons=yes],[]) AC_MSG_RESULT($use_input_wscons) if test x$use_input_wscons = xyes; then AC_DEFINE(SDL_INPUT_WSCONS, 1, [ ]) SUMMARY_input="${SUMMARY_input} wscons" fi } dnl See if the platform offers libudev for device enumeration and hotplugging. CheckLibUDev() { AC_ARG_ENABLE(libudev, [AS_HELP_STRING([--enable-libudev], [enable libudev support [default=yes]])], , enable_libudev=yes) if test x$enable_libudev = xyes; then AC_CHECK_HEADER(libudev.h, have_libudev_h_hdr=yes, have_libudev_h_hdr=no) if test x$have_libudev_h_hdr = xyes; then AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ]) udev_lib=[`find_lib "libudev.so.*" "" | sed 's/.*\/\(.*\)/\1/; q'`] if test x$udev_lib != x; then echo "-- dynamic udev -> $udev_lib" AC_DEFINE_UNQUOTED(SDL_UDEV_DYNAMIC, "$udev_lib", [ ]) fi fi fi } dnl See if the platform offers libdbus for various IPC techniques. CheckDBus() { AC_ARG_ENABLE(dbus, [AS_HELP_STRING([--enable-dbus], [enable D-Bus support [default=yes]])], , enable_dbus=yes) if test x$enable_dbus = xyes; then PKG_CHECK_MODULES([DBUS], [dbus-1], have_dbus=yes, have_dbus=no) save_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$save_CPPFLAGS $DBUS_CFLAGS" AC_CHECK_HEADER(dbus/dbus.h, have_dbus_dbus_h_hdr=yes, have_dbus_dbus_h_hdr=no) CPPFLAGS="$save_CPPFLAGS" if test x$have_dbus_dbus_h_hdr = xyes; then AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ]) EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS" SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c" fi fi } dnl See if the platform wanna IME support. CheckIME() { AC_ARG_ENABLE(ime, [AS_HELP_STRING([--enable-ime], [enable IME support [default=yes]])], , enable_ime=yes) if test x$enable_ime = xyes; then AC_DEFINE(SDL_USE_IME, 1, [ ]) SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ime.c" fi } dnl Check inotify presense CheckInotify() { save_LIBS="$LIBS" case "$host" in *-*-freebsd*|*-*dragonfly*) LIBS="$LIBS -linotify" ;; esac AC_CHECK_HEADERS(sys/inotify.h, [have_inotify_inotify_h_hdr=yes]) AC_CHECK_FUNCS(inotify_init, [have_inotify=yes]) AC_CHECK_FUNCS(inotify_init1) if test x$have_inotify_inotify_h_hdr = xyes -a x$have_inotify = xyes; then AC_DEFINE(HAVE_INOTIFY, 1, [ ]) case "$host" in *-*-freebsd*|*-*-dragonfly*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS -linotify" ;; esac fi LIBS="$save_LIBS" } dnl See if the platform has libibus IME support. CheckIBus() { AC_ARG_ENABLE(ibus, [AS_HELP_STRING([--enable-ibus], [enable IBus support [default=yes]])], , enable_ibus=yes) if test x$enable_ibus = xyes; then PKG_CHECK_MODULES([IBUS], [ibus-1.0], have_ibus=yes, have_ibus=no) save_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$save_CPPFLAGS $IBUS_CFLAGS" AC_CHECK_HEADER(ibus-1.0/ibus.h, have_ibus_ibus_h_hdr=yes, have_ibus_ibus_h_hdr=no) CPPFLAGS="$save_CPPFLAGS" if test x$have_ibus_ibus_h_hdr = xyes; then if test x$enable_ime != xyes; then AC_MSG_WARN([IME support is required for IBus.]) have_ibus_ibus_h_hdr=no elif test x$enable_dbus != xyes; then AC_MSG_WARN([DBus support is required for IBus.]) have_ibus_ibus_h_hdr=no elif test x$have_inotify_inotify_h_hdr != xyes; then AC_MSG_WARN([INotify support is required for IBus.]) have_ibus_ibus_h_hdr=no else AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ]) EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS" SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c" fi fi fi } dnl See if the platform has fcitx IME support. CheckFcitx() { AC_ARG_ENABLE(fcitx, [AS_HELP_STRING([--enable-fcitx], [enable fcitx support [default=yes]])], , enable_fcitx=yes) if test x$enable_fcitx = xyes; then AC_MSG_CHECKING(for fcitx support) have_fcitx=no if test x$enable_ime != xyes; then AC_MSG_WARN([IME support is required for fcitx.]) elif test x$have_dbus_dbus_h_hdr != xyes; then AC_MSG_WARN([DBus support is required for fcitx.]) else have_fcitx=yes AC_DEFINE(HAVE_FCITX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/core/linux/SDL_fcitx.c" fi AC_MSG_RESULT($have_fcitx) fi } dnl Check to see if GameController framework support is desired CheckJoystickMFI() { AC_ARG_ENABLE(joystick-mfi, [AS_HELP_STRING([--enable-joystick-mfi], [include macOS MFI joystick support [default=yes]])], , enable_joystick_mfi=yes) if test x$enable_joystick_mfi = xyes; then save_CFLAGS="$CFLAGS" save_LDFLAGS="$LDFLAGS" dnl Work around that we don't have Objective-C support in autoconf CFLAGS="$CFLAGS -x objective-c -fobjc-weak" LDFLAGS="$LDFLAGS -Wl,-weak_framework,CoreHaptics -Wl,-weak_framework,GameController" AC_MSG_CHECKING(for GameController framework) enable_joystick_mfi=no AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #include #import ]], [[ #if MAC_OS_X_VERSION_MIN_REQUIRED < 1080 #error GameController framework doesn't work on this configuration #endif #if TARGET_CPU_X86 #error GameController framework doesn't work on this configuration #endif ]])], [enable_joystick_mfi=yes],[]) CFLAGS="$save_CFLAGS" LDFLAGS="$save_LDFLAGS" AC_MSG_RESULT($enable_joystick_mfi) if test x$enable_joystick_mfi = xyes; then AC_DEFINE(SDL_JOYSTICK_MFI, 1, [ ]) EXTRA_CFLAGS="$EXTRA_CFLAGS -fobjc-weak -Wno-unused-command-line-argument" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-weak_framework,CoreHaptics -Wl,-weak_framework,GameController" fi fi } dnl See what type of thread model to use on Linux and Solaris CheckPTHREAD() { dnl Check for pthread support dnl Emscripten pthreads work, but you need to have a non-pthread fallback build dnl for systems without support. It's not currently enough to not use dnl pthread functions in a pthread-build; it won't start up on unsupported dnl browsers. As such, you have to explicitly enable it on Emscripten builds dnl for the time being. This default with change to ON once this becomes dnl commonly supported in browsers or the Emscripten teams makes a single dnl binary work everywhere. case "$host" in *-*-emscripten*) enable_pthreads_default=no ;; *) enable_pthreads_default=yes ;; esac AC_ARG_ENABLE(pthreads, [AS_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [default=maybe]])], , enable_pthreads=maybe) dnl This is used on Linux for glibc binary compatibility (Doh!) AC_ARG_ENABLE(pthread-sem, [AS_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [default=maybe]])], , enable_pthread_sem=maybe) if test x$enable_pthreads = xmaybe; then enable_pthreads=$enable_pthreads_default fi if test x$enable_pthread_sem = xmaybe; then enable_pthread_sem=$enable_pthreads fi case "$host" in *-*-android*) pthread_cflags="-D_REENTRANT -D_THREAD_SAFE" pthread_lib="" ;; *-*-linux*|*-*-uclinux*) pthread_cflags="-D_REENTRANT" pthread_lib="-lpthread" ;; *-*-bsdi*) pthread_cflags="-D_REENTRANT -D_THREAD_SAFE" pthread_lib="" ;; *-*-darwin*) pthread_cflags="-D_THREAD_SAFE" # causes Carbon.p complaints? # pthread_cflags="-D_REENTRANT -D_THREAD_SAFE" ;; *-*-freebsd*|*-*-dragonfly*) pthread_cflags="-D_REENTRANT -D_THREAD_SAFE" pthread_lib="-pthread" ;; *-*-netbsd*) pthread_cflags="-D_REENTRANT -D_THREAD_SAFE" pthread_lib="-lpthread" ;; *-*-openbsd*) pthread_cflags="-D_REENTRANT" pthread_lib="-pthread" ;; *-*-solaris2.9) # From Solaris 9+, posix4's preferred name is rt. pthread_cflags="-D_REENTRANT" pthread_lib="-lpthread -lrt" ;; *-*-solaris2.10) # Solaris 10+ merged pthread into libc. pthread_cflags="-D_REENTRANT" pthread_lib="-lrt" ;; *-*-solaris*) # Solaris 11+ merged rt into libc. pthread_cflags="-D_REENTRANT" pthread_lib="" ;; *-*-sysv5*) pthread_cflags="-D_REENTRANT -Kthread" pthread_lib="" ;; *-*-aix*) pthread_cflags="-D_REENTRANT -mthreads" pthread_lib="-lpthread" ;; *-*-hpux11*) pthread_cflags="-D_REENTRANT" pthread_lib="-L/usr/lib -lpthread" ;; *-*-haiku*) pthread_cflags="-D_REENTRANT" pthread_lib="" ;; *-*-nto*) pthread_cflags="-D_REENTRANT" pthread_lib="" ;; *-*-emscripten*) pthread_cflags="-D_REENTRANT -pthread" pthread_lib="-pthread" ;; *) pthread_cflags="-D_REENTRANT" pthread_lib="-lpthread" ;; esac if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then # Save the original compiler flags and libraries ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS" # Add the pthread compiler flags and libraries CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib" # Check to see if we have pthread support on this system AC_MSG_CHECKING(for pthreads) use_pthreads=no AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[ pthread_attr_t type; pthread_attr_init(&type); ]])], [use_pthreads=yes],[]) AC_MSG_RESULT($use_pthreads) # Restore the compiler flags and libraries CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs" # Do futher testing if we have pthread support... if test x$use_pthreads = xyes; then AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ]) EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags" EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib" SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags" # Save the original compiler flags and libraries ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS" # Add the pthread compiler flags and libraries CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib" # Check to see if recursive mutexes are available AC_MSG_CHECKING(for recursive mutexes) has_recursive_mutexes=no if test x$has_recursive_mutexes = xno; then AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #define _GNU_SOURCE 1 #include ]], [[ pthread_mutexattr_t attr; pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); ]])], [ has_recursive_mutexes=yes AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ]) ],[]) fi if test x$has_recursive_mutexes = xno; then AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #define _GNU_SOURCE 1 #include ]], [[ pthread_mutexattr_t attr; pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP); ]])],[ has_recursive_mutexes=yes AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ]) ],[]) fi AC_MSG_RESULT($has_recursive_mutexes) # Check to see if pthread semaphore support is missing if test x$enable_pthread_sem = xyes; then AC_MSG_CHECKING(for pthread semaphores) have_pthread_sem=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]],[])], [have_pthread_sem=yes],[]) AC_MSG_RESULT($have_pthread_sem) fi if test x$have_pthread_sem = xyes; then AC_MSG_CHECKING(for sem_timedwait) have_sem_timedwait=no AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[ sem_timedwait(NULL, NULL); ]])], [ have_sem_timedwait=yes AC_DEFINE([HAVE_SEM_TIMEDWAIT], 1, [ ]) ],[]) AC_MSG_RESULT($have_sem_timedwait) fi AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include ]) if test x$have_pthread_np_h = xyes; then AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ]) fi # Check to see if pthread naming is available AC_MSG_CHECKING(for pthread_setname_np) AC_TRY_LINK_FUNC(pthread_setname_np, [ has_pthread_setname_np=yes AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ]) ],[ has_pthread_setname_np=no ]) AC_MSG_RESULT($has_pthread_setname_np) AC_MSG_CHECKING(for pthread_set_name_np) AC_TRY_LINK_FUNC(pthread_set_name_np, [ has_pthread_set_name_np=yes AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ]) ],[ has_pthread_set_name_np=no ]) AC_MSG_RESULT($has_pthread_set_name_np) # Restore the compiler flags and libraries CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs" # Basic thread creation functions SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c" # Semaphores # We can fake these with mutexes and condition variables if necessary if test x$have_pthread_sem = xyes; then SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c" else SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c" fi # Mutexes # We can fake these with semaphores if necessary SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c" # Condition variables # We can fake these with semaphores and mutexes if necessary SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c" # Thread local storage SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c" have_threads=yes fi fi } dnl Determine whether the compiler can produce Windows executables CheckWINDOWS() { AC_MSG_CHECKING(Windows compiler) have_win32_gcc=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]],[])], [have_win32_gcc=yes],[]) AC_MSG_RESULT($have_win32_gcc) if test x$have_win32_gcc != xyes; then AC_MSG_ERROR([ *** Your compiler ($CC) does not produce Windows executables! ]) fi AC_MSG_CHECKING(Windows CE) have_wince=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__) #error This is not Windows CE #endif ]],[])], [ have_wince=yes AC_MSG_ERROR([ *** Sorry, Windows CE is no longer supported. ]) ],[]) AC_MSG_RESULT($have_wince) # This fixes Windows stack alignment with newer GCC CheckStackBoundary # headers needed elsewhere AC_CHECK_HEADER(tpcshrd.h,have_tpcshrd_h=yes) if test x$have_tpcshrd_h = xyes; then AC_DEFINE(HAVE_TPCSHRD_H, 1, [ ]) fi AC_CHECK_HEADER(roapi.h,have_roapi_h=yes) if test x$have_roapi_h = xyes; then AC_DEFINE(HAVE_ROAPI_H, 1, [ ]) fi AC_CHECK_HEADER(shellscalingapi.h,have_shellscalingapi_h=yes) if test x$shellscalingapi_h = xyes; then AC_DEFINE(HAVE_SHELLSCALINGAPI_H, 1, [ ]) fi } dnl Determine whether the compiler can produce OS/2 executables CheckOS2() { AC_MSG_CHECKING(OS/2 compiler) have_os2_gcc=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [])],[have_os2_gcc=yes],[]) AC_MSG_RESULT($have_os2_gcc) if test x$have_os2_gcc != xyes; then AC_MSG_ERROR([ *** Your compiler ($CC) does not produce OS/2 executables! ]) fi } dnl Find the DirectX includes and libraries CheckDIRECTX() { AC_ARG_ENABLE(directx, [AS_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [default=yes]])], , enable_directx=yes) if test x$enable_directx = xyes; then AC_CHECK_HEADER(d3d9.h, have_d3d=yes) AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes) AC_MSG_CHECKING(for d3d12 Windows SDK version) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include #include ID3D12Device1 *device; #if WDK_NTDDI_VERSION <= 0x0A000008 asdf #endif ]])], [have_d3d12=yes],[have_d3d12=no]) AC_MSG_RESULT($have_d3d12) AC_CHECK_HEADER(ddraw.h, have_ddraw=yes) AC_CHECK_HEADER(dsound.h, have_dsound=yes) AC_CHECK_HEADER(dinput.h, have_dinput=yes) AC_CHECK_HEADER(dxgi.h, have_dxgi=yes) if test x$have_ddraw = xyes; then AC_DEFINE(HAVE_DDRAW_H, 1, [ ]) fi if test x$have_dinput = xyes; then AC_DEFINE(HAVE_DINPUT_H, 1, [ ]) fi if test x$have_dsound = xyes; then AC_DEFINE(HAVE_DSOUND_H, 1, [ ]) fi if test x$have_dxgi = xyes; then AC_DEFINE(HAVE_DXGI_H, 1, [ ]) fi # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers. # FIXME: ...so force it off for now. case "$host" in *-*-cygwin*) have_dinput=false ;; esac fi AC_ARG_ENABLE(xinput, [AS_HELP_STRING([--enable-xinput], [use Xinput for Windows [default=yes]])], , enable_xinput=yes) if test x$enable_xinput = xyes; then have_xinput_gamepadex=no have_xinput_stateex=no AC_CHECK_HEADER(xinput.h, have_xinput=yes) AC_MSG_CHECKING(for struct XINPUT_GAMEPAD_EX) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include XINPUT_GAMEPAD_EX x1; ]],[])], [have_xinput_gamepadex=yes],[]) AC_MSG_RESULT($have_xinput_gamepadex) AC_MSG_CHECKING(for struct XINPUT_STATE_EX) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include XINPUT_STATE_EX s1; ]],[])], [have_xinput_stateex=yes],[]) AC_MSG_RESULT($have_xinput_stateex) if test x$have_xinput = xyes; then AC_DEFINE(HAVE_XINPUT_H, 1, [ ]) fi if test x$have_xinput_gamepadex = xyes; then AC_DEFINE(HAVE_XINPUT_GAMEPAD_EX, 1, [ ]) fi if test x$have_xinput_stateex = xyes; then AC_DEFINE(HAVE_XINPUT_STATE_EX, 1, [ ]) fi fi AC_MSG_CHECKING(for windows.gaming.input.h) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #define COBJMACROS #include __x_ABI_CWindows_CGaming_CInput_CIGamepadStatics2 *s2; ]],[])], [have_wgi=yes],[have_wgi=no]) AC_MSG_RESULT($have_wgi) if test x$have_wgi = xyes; then AC_DEFINE(HAVE_WINDOWS_GAMING_INPUT_H, 1, [ ]) fi AC_CHECK_HEADER(mmdeviceapi.h, have_wasapi=yes) if test x$have_wasapi = xyes; then AC_DEFINE(HAVE_MMDEVICEAPI_H, 1, [ ]) fi AC_CHECK_HEADER(audioclient.h,,have_wasapi=no) if test x$have_wasapi = xyes; then AC_DEFINE(HAVE_AUDIOCLIENT_H, 1, [ ]) fi AC_ARG_ENABLE(wasapi, [AS_HELP_STRING([--enable-wasapi], [use the Windows WASAPI audio driver [default=yes]])], , enable_wasapi=yes) } dnl Check for the dlfcn.h interface for dynamically loading objects dnl NOTE: CheckDLOPEN is called only for relevant platforms CheckDLOPEN() { AC_DEFINE(DYNAPI_NEEDS_DLOPEN, 1, [ ]) AC_CHECK_HEADER(dlfcn.h,have_dlfcn_h=yes,have_dlfcn_h=no) have_dlopen=no AC_CHECK_LIB(c, dlopen, have_dlopen=yes, AC_CHECK_LIB(dl, dlopen, [have_dlopen=yes; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl"])) AC_MSG_CHECKING(for dlopen) AC_MSG_RESULT($have_dlopen) if test x$have_dlfcn_h = xyes -a x$have_dlopen = xyes; then AC_DEFINE(HAVE_DLOPEN, 1, [ ]) if test x$enable_loadso = xyes; then AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ]) SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c" have_loadso=yes fi fi } CheckO_CLOEXEC() { AC_MSG_CHECKING(for O_CLOEXEC) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include int flag = O_CLOEXEC; ]],[])], [have_o_cloexec=yes],[have_o_cloexec=no]) AC_MSG_RESULT($have_o_cloexec) if test $have_o_cloexec = yes; then AC_DEFINE(HAVE_O_CLOEXEC, 1, [ ]) fi } dnl Check for the usbhid(3) library on *BSD CheckUSBHID() { case "$host" in *-*-*bsd*|*-*-dragonfly*) if test x$enable_joystick = xyes; then AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes) if test x$have_libusbhid = xyes; then AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"]) AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"]) USB_LIBS="$USB_LIBS -lusbhid" else AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"]) AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"]) AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"]) fi save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $USB_CFLAGS" AC_MSG_CHECKING(for usbhid) have_usbhid=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #if defined(HAVE_USB_H) #include #endif #ifdef __DragonFly__ # include # include #else # include # include #endif #if defined(HAVE_USBHID_H) #include #elif defined(HAVE_LIBUSB_H) #include #elif defined(HAVE_LIBUSBHID_H) #include #endif ]], [[ struct report_desc *repdesc; struct usb_ctl_report *repbuf; hid_kind_t hidkind; ]])], [have_usbhid=yes],[]) AC_MSG_RESULT($have_usbhid) if test x$have_usbhid = xyes; then AC_MSG_CHECKING(for ucr_data member of usb_ctl_report) have_usbhid_ucr_data=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #if defined(HAVE_USB_H) #include #endif #ifdef __DragonFly__ # include # include #else # include # include #endif #if defined(HAVE_USBHID_H) #include #elif defined(HAVE_LIBUSB_H) #include #elif defined(HAVE_LIBUSBHID_H) #include #endif ]], [[ struct usb_ctl_report buf; if (buf.ucr_data) { } ]])], [have_usbhid_ucr_data=yes],[]) if test x$have_usbhid_ucr_data = xyes; then USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA" fi AC_MSG_RESULT($have_usbhid_ucr_data) AC_MSG_CHECKING(for new usbhid API) have_usbhid_new=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #if defined(HAVE_USB_H) #include #endif #ifdef __DragonFly__ #include #include #else #include #include #endif #if defined(HAVE_USBHID_H) #include #elif defined(HAVE_LIBUSB_H) #include #elif defined(HAVE_LIBUSBHID_H) #include #endif ]], [[ report_desc_t d; hid_start_parse(d, 1, 1); ]])], [have_usbhid_new=yes],[]) if test x$have_usbhid_new = xyes; then USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW" fi AC_MSG_RESULT($have_usbhid_new) AC_MSG_CHECKING(for struct joystick in machine/joystick.h) have_machine_joystick=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[ struct joystick t; ]])], [have_machine_joystick=yes],[]) if test x$have_machine_joystick = xyes; then AC_DEFINE(SDL_HAVE_MACHINE_JOYSTICK_H, 1, [ ]) fi AC_MSG_RESULT($have_machine_joystick) AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ]) SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c" EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS" EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS" have_joystick=yes fi CFLAGS="$save_CFLAGS" fi ;; esac } dnl Check for HIDAPI joystick drivers CheckHIDAPI() { AC_ARG_ENABLE(hidapi-joystick, [AS_HELP_STRING([--enable-hidapi-joystick], [use HIDAPI for low level joystick drivers [default=yes]])], , enable_hidapi_joystick=yes) AC_ARG_ENABLE(hidapi-libusb, [AS_HELP_STRING([--enable-hidapi-libusb], [use libusb for low level joystick drivers [default=maybe]])], , enable_hidapi_libusb=maybe) if test x$enable_hidapi = xyes; then case "$host" in # libusb does not support iOS *-ios-* ) enable_hidapi_libusb=no ;; # On the other hand, *BSD specifically uses libusb only *-*-*bsd* ) enable_hidapi_libusb=yes require_hidapi_libusb=yes ;; *-*-os2* ) enable_hidapi_libusb=yes ;; esac hidapi_support=yes if test x$enable_hidapi_libusb = xyes; then PKG_CHECK_MODULES([LIBUSB], [libusb-1.0], have_libusb=yes, have_libusb=no) save_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$save_CPPFLAGS $LIBUSB_CFLAGS" AC_CHECK_HEADER(libusb.h, have_libusb_h=yes, have_libusb_h=no) CPPFLAGS="$save_CPPFLAGS" if test x$have_libusb_h = xno && test x$require_hidapi_libusb = xyes; then hidapi_support=no fi fi if test x$hidapi_support = xyes; then if test x$have_libusb_h = xyes; then AC_DEFINE(HAVE_LIBUSB) EXTRA_CFLAGS="$EXTRA_CFLAGS $LIBUSB_CFLAGS" if test x$require_hidapi_libusb = xyes; then EXTRA_LDFLAGS="$EXTRA_LDFLAGS $LIBUSB_LIBS" else if test x$have_loadso != xyes; then AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic libusb loading]) fi # libusb is loaded dynamically, so don't add it to LDFLAGS libusb_lib="" case "$host" in *-*-darwin* ) libusb_lib="libusb-1.0.0.dylib" ;; *-*-cygwin* | *-*-mingw* ) libusb_lib="libusb-1.0.dll" ;; *-*-os2* ) libusb_lib="usb100.dll" ;; esac if test x$libusb_lib = x; then libusb_lib=[`find_lib "libusb-1.0.so.*" "" | sed 's/.*\/\(.*\)/\1/; q'`] fi AC_DEFINE_UNQUOTED(SDL_LIBUSB_DYNAMIC, "$libusb_lib", [ ]) fi fi fi AC_MSG_CHECKING(for hidapi joystick support) AC_MSG_RESULT($hidapi_support) fi if test x$enable_joystick = xyes -a x$hidapi_support = xyes -a x$enable_hidapi_joystick = xyes; then AC_DEFINE(SDL_JOYSTICK_HIDAPI, 1, [ ]) SOURCES="$SOURCES $srcdir/src/joystick/hidapi/*.c" fi } dnl Check for clock_gettime() CheckClockGettime() { AC_ARG_ENABLE(clock_gettime, [AS_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [default=yes]])], , enable_clock_gettime=yes) if test x$enable_clock_gettime = xyes; then AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes) if test x$have_clock_gettime = xyes; then AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ]) EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt" else AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes) if test x$have_clock_gettime = xyes; then AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ]) EXTRA_LDFLAGS="$EXTRA_LDFLAGS" fi fi fi } dnl Check for a valid linux/version.h CheckLinuxVersion() { AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes) if test x$have_linux_version_h = xyes; then EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H" fi } dnl Check if we want to use RPATH CheckRPATH() { AC_ARG_ENABLE(rpath, [AS_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [default=yes]])], , enable_rpath=yes) } dnl Check if we want to use custom signals to fake iOS/Android's backgrounding dnl events. These could be useful if you're building a custom embedded dnl environment, etc, but most people don't need this. CheckEventSignals() { AC_ARG_ENABLE(backgrounding-signal, [AS_HELP_STRING([--enable-backgrounding-signal], [number to use for magic backgrounding signal or 'no' [default=no]])], , enable_backgrounding_signal=no) if test x$enable_backgrounding_signal != xno; then EXTRA_CFLAGS="$EXTRA_CFLAGS -DSDL_BACKGROUNDING_SIGNAL=$enable_backgrounding_signal" fi AC_ARG_ENABLE(foregrounding-signal, [AS_HELP_STRING([--enable-foregrounding-signal], [number to use for magic foregrounding signal or 'no' [default=no]])], , enable_foregrounding_signal=no) if test x$enable_foregrounding_signal != xno; then EXTRA_CFLAGS="$EXTRA_CFLAGS -DSDL_FOREGROUNDING_SIGNAL=$enable_foregrounding_signal" fi } dnl Set up the Virtual joystick driver. CheckVirtualJoystick() { AC_ARG_ENABLE(joystick-virtual, [AS_HELP_STRING([--enable-joystick-virtual], [enable virtual joystick APIs [default=yes]])], , enable_joystick_virtual=yes) if test x$enable_joystick = xyes -a x$enable_joystick_virtual = xyes; then AC_DEFINE(SDL_JOYSTICK_VIRTUAL, 1, [ ]) SOURCES="$SOURCES $srcdir/src/joystick/virtual/*.c" have_joystick_virtual=yes fi } dnl Do this on all platforms, before everything else (other things might want to override it). CheckWarnAll CheckNoStrictAliasing dnl Do this for every platform, but for some it doesn't mean anything, but better to catch it here anyhow. CheckEventSignals have_locale=no dnl Set up the configuration based on the host platform! case "$host" in *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*|*-*-nto*) case "$host" in *-*-android*) # Android ARCH=android ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES" CFLAGS="$CFLAGS $ANDROID_CFLAGS" SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS" EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid" SDLMAIN_SOURCES="$srcdir/src/main/android/*.c" if test x$enable_video = xyes; then SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c" AC_DEFINE(SDL_VIDEO_DRIVER_ANDROID, 1, [ ]) SUMMARY_video="${SUMMARY_video} android" have_video=yes fi ;; *-*-linux*) ARCH=linux ;; *-*-uclinux*) ARCH=linux ;; *-*-kfreebsd*-gnu) ARCH=kfreebsd-gnu ;; *-*-knetbsd*-gnu) ARCH=knetbsd-gnu ;; *-*-kopenbsd*-gnu) ARCH=kopenbsd-gnu ;; *-*-gnu*) ARCH=gnu ;; # must be last of the gnu variants *-*-bsdi*) ARCH=bsdi ;; *-*-freebsd*) ARCH=freebsd ;; *-*-dragonfly*) ARCH=freebsd ;; *-*-netbsd*) ARCH=netbsd ;; *-*-openbsd*) ARCH=openbsd ;; *-*-sysv5*) ARCH=sysv5 ;; *-*-solaris*) ARCH=solaris ;; *-*-hpux*) ARCH=hpux ;; *-*-aix*) ARCH=aix ;; *-*-minix*) ARCH=minix ;; *-*-nto*) ARCH=nto CheckQNXVideo ;; esac CheckVisibilityHidden CheckDeclarationAfterStatement CheckDummyVideo CheckOffscreenVideo CheckDiskAudio CheckDummyAudio CheckDLOPEN CheckARM CheckNEON CheckO_CLOEXEC CheckOSS CheckALSA CheckPipewire CheckPulseAudio CheckJACK CheckARTSC CheckESD CheckNAS CheckSNDIO CheckFusionSound CheckLibSampleRate # Need to check for Raspberry PI first and add platform specific compiler flags, otherwise the test for GLES fails! CheckRPI CheckX11 CheckDirectFB # Need to check for EGL first because KMSDRM and Wayland depends on it. CheckEGL CheckKMSDRM CheckGLX CheckOpenGL CheckOpenGLES CheckVulkan CheckWayland CheckInputEvents CheckLibUDev CheckDBus CheckIME CheckInotify CheckIBus CheckFcitx case $ARCH in linux) CheckInputKD ;; freebsd) CheckInputKBIO ;; openbsd|netbsd) CheckInputWSCONS ;; esac CheckUSBHID CheckHIDAPI CheckPTHREAD CheckClockGettime CheckLinuxVersion CheckRPATH CheckVivanteVideo # Set up files for the misc library if test x$enable_misc = xyes; then SOURCES="$SOURCES $srcdir/src/misc/unix/*.c" have_misc=yes fi # Set up files for the locale library if test x$enable_locale = xyes; then SOURCES="$SOURCES $srcdir/src/locale/unix/*.c" have_locale=yes fi # Set up files for the audio library if test x$enable_audio = xyes; then case $ARCH in sysv5|solaris|hpux) AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/sun/*.c" SUMMARY_audio="${SUMMARY_audio} sun" have_audio=yes ;; netbsd) # Don't use this on OpenBSD, it's busted. AC_DEFINE(SDL_AUDIO_DRIVER_NETBSD, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/netbsd/*.c" SUMMARY_audio="${SUMMARY_audio} netbsd" have_audio=yes ;; aix) AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c" SUMMARY_audio="${SUMMARY_audio} paudio" have_audio=yes ;; android) AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/android/*.c" SUMMARY_audio="${SUMMARY_audio} android" AC_DEFINE(SDL_AUDIO_DRIVER_OPENSLES, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/openslES/*.c" SUMMARY_audio="${SUMMARY_audio} openslES" AC_DEFINE(SDL_AUDIO_DRIVER_AAUDIO, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/aaudio/*.c" SUMMARY_audio="${SUMMARY_audio} aaudio" have_audio=yes ;; nto) CheckQNXAudio ;; esac fi # Set up files for the joystick library if test x$enable_joystick = xyes; then case $ARCH in linux) AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c" SOURCES="$SOURCES $srcdir/src/joystick/steam/*.c" have_joystick=yes ;; freebsd) if test x$use_input_events = xyes; then AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c" SOURCES="$SOURCES $srcdir/src/joystick/steam/*.c" have_joystick=yes fi ;; android) AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ]) SOURCES="$SOURCES $srcdir/src/joystick/android/*.c" SOURCES="$SOURCES $srcdir/src/joystick/steam/*.c" have_joystick=yes ;; esac fi # Set up files for the haptic library if test x$enable_haptic = xyes; then case $ARCH in linux|freebsd) if test x$use_input_events = xyes; then AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c" have_haptic=yes fi ;; android) AC_DEFINE(SDL_HAPTIC_ANDROID, 1, [ ]) SOURCES="$SOURCES $srcdir/src/haptic/android/*.c" have_haptic=yes ;; esac fi # Set up files for the sensor library if test x$enable_sensor = xyes; then case $ARCH in android) AC_DEFINE(SDL_SENSOR_ANDROID, 1, [ ]) SOURCES="$SOURCES $srcdir/src/sensor/android/*.c" have_sensor=yes ;; esac fi # Set up files for the power library if test x$enable_power = xyes; then case $ARCH in linux) AC_DEFINE(SDL_POWER_LINUX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/power/linux/*.c" have_power=yes ;; android) AC_DEFINE(SDL_POWER_ANDROID, 1, [ ]) SOURCES="$SOURCES $srcdir/src/power/android/*.c" have_power=yes ;; esac fi # Set up files for the filesystem library if test x$enable_filesystem = xyes; then case $ARCH in android) AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ]) SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c" have_filesystem=yes ;; *) AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c" have_filesystem=yes ;; esac fi # Set up files for the timer library if test x$enable_timers = xyes; then AC_DEFINE(SDL_TIMER_UNIX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/timer/unix/*.c" have_timers=yes fi # Set up files for udev hotplugging support if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c" fi # Set up files for evdev input if test x$use_input_events = xyes; then SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c" SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev_kbd.c" SOURCES="$SOURCES $srcdir/src/core/freebsd/SDL_evdev_kbd_freebsd.c" fi # Set up files for wscons input if test x$use_input_wscons = xyes; then SOURCES="$SOURCES $srcdir/src/core/openbsd/SDL_wscons_kbd.c" SOURCES="$SOURCES $srcdir/src/core/openbsd/SDL_wscons_mouse.c" fi # Set up other core UNIX files SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev_capabilities.c" SOURCES="$SOURCES $srcdir/src/core/linux/SDL_threadprio.c" SOURCES="$SOURCES $srcdir/src/core/linux/SDL_sandbox.c" SOURCES="$SOURCES $srcdir/src/core/unix/*.c" ;; *-*-cygwin* | *-*-mingw*) ARCH=win32 if test "$build" != "$host"; then # cross-compiling # Default cross-compile location ac_default_prefix=/usr/local/cross-tools/$host else # Look for the location of the tools and install there if test "$BUILD_PREFIX" != ""; then ac_default_prefix=$BUILD_PREFIX fi fi if test x$enable_loadso = xyes; then have_loadso=yes fi CheckGDwarf4 CheckDeclarationAfterStatement CheckDummyVideo CheckOffscreenVideo CheckDiskAudio CheckDummyAudio CheckWINDOWS CheckWINDOWSGL CheckWINDOWSGLES CheckVulkan CheckDIRECTX CheckHIDAPI # Set up the core platform files SOURCES="$SOURCES $srcdir/src/core/windows/*.c" # Set up files for the misc library if test x$enable_misc = xyes; then SOURCES="$SOURCES $srcdir/src/misc/windows/*.c" have_misc=yes fi # Use the Windows locale APIs. if test x$enable_locale = xyes; then SOURCES="$SOURCES $srcdir/src/locale/windows/*.c" have_locale=yes fi # Set up files for the video library if test x$enable_video = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/windows/*.c" have_video=yes AC_ARG_ENABLE(render-d3d, [AS_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [default=yes]])], , enable_render_d3d=yes) if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ]) SUMMARY_video="${SUMMARY_video} d3d9" fi if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ]) SUMMARY_video="${SUMMARY_video} d3d11" fi if test x$enable_render_d3d = xyes -a x$have_d3d12 = xyes; then AC_DEFINE(SDL_VIDEO_RENDER_D3D12, 1, [ ]) SUMMARY_video="${SUMMARY_video} d3d12" fi fi # Set up files for the audio library if test x$enable_audio = xyes; then AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ]) SUMMARY_audio="${SUMMARY_audio} winmm" SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c" if test x$have_dsound = xyes; then AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ]) SUMMARY_audio="${SUMMARY_audio} directsound" SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c" fi if test x$have_wasapi = xyes -a x$enable_wasapi = xyes; then AC_DEFINE(SDL_AUDIO_DRIVER_WASAPI, 1, [ ]) SUMMARY_audio="${SUMMARY_audio} wasapi" SOURCES="$SOURCES $srcdir/src/audio/wasapi/*.c" fi have_audio=yes fi # Set up files for the joystick library if test x$enable_joystick = xyes; then AC_DEFINE(SDL_JOYSTICK_RAWINPUT, 1, [ ]) if test x$have_dinput = xyes -o x$have_xinput = xyes -o x$have_wgi = xyes; then if test x$have_xinput = xyes; then AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ]) fi if test x$have_wgi = xyes; then AC_DEFINE(SDL_JOYSTICK_WGI, 1, [ ]) fi if test x$have_dinput = xyes; then AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ]) EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8" fi fi SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c" have_joystick=yes fi if test x$enable_haptic = xyes; then if test x$have_dinput = xyes -o x$have_xinput = xyes; then if test x$have_xinput = xyes; then AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ]) fi if test x$have_dinput = xyes; then AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ]) fi SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c" have_haptic=yes fi fi # Set up files for the sensor library AC_CHECK_HEADER(sensorsapi.h,have_winsensors=yes,have_winsensors=no) if test x$have_winsensors = xyes; then AC_DEFINE(HAVE_SENSORSAPI_H, 1, [ ]) fi if test x$enable_sensor = xyes -a x$have_winsensors = xyes; then AC_DEFINE(SDL_SENSOR_WINDOWS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/sensor/windows/*.c" have_sensor=yes fi # Set up files for the power library if test x$enable_power = xyes; then AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c" have_power=yes fi # Set up files for the filesystem library if test x$enable_filesystem = xyes; then AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c" have_filesystem=yes fi # Set up files for the thread library if test x$enable_threads = xyes; then AC_DEFINE(SDL_THREAD_GENERIC_COND_SUFFIX, 1, [ ]) AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/thread/windows/*.c" SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c" have_threads=yes fi # Set up files for the timer library if test x$enable_timers = xyes; then AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/timer/windows/*.c" have_timers=yes fi # Set up files for the shared object loading library if test x$enable_loadso = xyes; then AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c" fi # Set up the system libraries we need if test -f /lib/w32api/libuuid.a; then LIBUUID=/lib/w32api/libuuid.a else LIBUUID=-luuid fi EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lsetupapi -lversion $LIBUUID" BUILD_LDFLAGS="$BUILD_LDFLAGS -Wc,-static-libgcc" # The Windows platform requires special setup VERSION_SOURCES="$srcdir/src/main/windows/*.rc" SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c" SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main" SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows" # Check to see if this is a mingw or cygwin build have_mingw32= AC_CHECK_LIB(mingw32, main, [have_mingw32=yes]) if test x$have_mingw32 = xyes; then SDL_LIBS="-lmingw32 $SDL_LIBS" else SDL_LIBS="-lcygwin $SDL_LIBS" fi ;; dnl BeOS support removed after SDL 2.0.1. Haiku still works. --ryan. *-*-beos*) AC_MSG_ERROR([ *** BeOS support has been removed as of SDL 2.0.2. ]) ;; *-*-haiku*) ARCH=haiku ac_default_prefix=/boot/system CheckDummyVideo CheckOffscreenVideo CheckDiskAudio CheckDummyAudio CheckDLOPEN CheckO_CLOEXEC CheckHaikuVideo CheckHaikuGL CheckPTHREAD # Set up files for the audio library if test x$enable_audio = xyes; then AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc" SUMMARY_audio="${SUMMARY_audio} haiku" have_audio=yes fi # Set up files for the joystick library if test x$enable_joystick = xyes; then AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ]) SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc" have_joystick=yes fi # Set up files for the timer library if test x$enable_timers = xyes; then AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ]) SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c" have_timers=yes fi # Set up files for the system power library if test x$enable_power = xyes; then AC_DEFINE(SDL_POWER_HAIKU, 1, [ ]) SOURCES="$SOURCES $srcdir/src/power/haiku/*.c" have_power=yes fi # Set up files for the system filesystem library if test x$enable_filesystem = xyes; then AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ]) SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc" have_filesystem=yes fi # Set up files for the misc library if test x$enable_misc = xyes; then SOURCES="$SOURCES $srcdir/src/misc/haiku/*.cc" have_misc=yes fi # Set up files for the locale library if test x$enable_locale = xyes; then SOURCES="$SOURCES $srcdir/src/locale/haiku/*.cc" have_locale=yes fi # The Haiku platform requires special setup. SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding" ;; *-ios-*) ARCH=ios CheckVisibilityHidden CheckDeclarationAfterStatement CheckDummyVideo CheckOffscreenVideo CheckDiskAudio CheckDummyAudio CheckDLOPEN CheckO_CLOEXEC CheckMETAL CheckVulkan CheckPTHREAD # Set up files for the misc library if test x$enable_misc = xyes; then SOURCES="$SOURCES $srcdir/src/misc/ios/*.m" have_misc=yes fi # Set up files for the locale library if test x$enable_locale = xyes; then SOURCES="$SOURCES $srcdir/src/locale/macosx/*.m" have_locale=yes fi # Set up files for the audio library if test x$enable_audio = xyes; then AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.m" SUMMARY_audio="${SUMMARY_audio} coreaudio" have_audio=yes fi # Set up files for the joystick library if test x$enable_joystick = xyes; then AC_DEFINE(SDL_JOYSTICK_MFI, 1, [ ]) SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m" SOURCES="$SOURCES $srcdir/src/joystick/steam/*.c" have_joystick=yes else # Need this code for accelerometer as joystick support SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m" fi # Set up files for the haptic library #if test x$enable_haptic = xyes; then # SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c" # have_haptic=yes # EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback" #fi # Set up files for the sensor library if test x$enable_sensor = xyes; then AC_DEFINE(SDL_SENSOR_COREMOTION, 1, [ ]) SOURCES="$SOURCES $srcdir/src/sensor/coremotion/*.m" have_sensor=yes fi # Set up files for the power library if test x$enable_power = xyes; then AC_DEFINE(SDL_POWER_UIKIT, 1, [ ]) SOURCES="$SOURCES $srcdir/src/power/uikit/*.m" have_power=yes fi # Set up files for the filesystem library if test x$enable_filesystem = xyes; then SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m" have_filesystem=yes fi # Set up additional files for the file library if test x$enable_file = xyes; then AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ]) SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m" fi # Set up files for the timer library if test x$enable_timers = xyes; then AC_DEFINE(SDL_TIMER_UNIX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/timer/unix/*.c" have_timers=yes fi # Set up other core UNIX files SOURCES="$SOURCES $srcdir/src/core/unix/*.c" # The iOS platform requires special setup. AC_DEFINE(SDL_VIDEO_DRIVER_UIKIT, 1, [ ]) AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ]) AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ]) AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ]) AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/uikit/*.m" SUMMARY_video="${SUMMARY_video} uikit" have_video=yes EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm" if test x$enable_system_iconv = xyes; then EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv" fi EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AVFoundation" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,GameController" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit" if test x$enable_video_metal = xyes -o x$enable_video_vulkan = xyes; then EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Metal" fi ;; *-*-darwin* ) # This could be either full "Mac OS X", or plain "Darwin" which is # just the OS X kernel sans upper layers like Carbon and Cocoa. # Next line is broken, and a few files below require Mac OS X (full) ARCH=macosx # Mac OS X builds with both the Carbon and OSX APIs at the moment EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON" EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX" CheckObjectiveCARC CheckVisibilityHidden CheckDeclarationAfterStatement CheckDummyVideo CheckOffscreenVideo CheckDiskAudio CheckDummyAudio CheckDLOPEN CheckO_CLOEXEC CheckCOCOA CheckMETAL CheckX11 CheckMacGL CheckMacGLES CheckGLX CheckOpenGL CheckVulkan CheckPTHREAD CheckHIDAPI # Set up files for the misc library if test x$enable_misc = xyes; then SOURCES="$SOURCES $srcdir/src/misc/macosx/*.m" have_misc=yes fi # Set up files for the locale library if test x$enable_locale = xyes; then SOURCES="$SOURCES $srcdir/src/locale/macosx/*.m" have_locale=yes fi # Set up files for the audio library if test x$enable_audio = xyes; then AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.m" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox" SUMMARY_audio="${SUMMARY_audio} coreaudio" have_audio=yes fi # Set up files for the joystick library if test x$enable_joystick = xyes; then AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ]) SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c" SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m" CheckJoystickMFI have_joystick=yes fi # Set up files for the haptic library if test x$enable_haptic = xyes; then AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ]) SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback" have_haptic=yes fi # Set up files for the power library if test x$enable_power = xyes; then AC_DEFINE(SDL_POWER_MACOSX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/power/macosx/*.c" have_power=yes fi # Set up files for the filesystem library if test x$enable_filesystem = xyes; then AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ]) SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m" have_filesystem=yes fi # Set up files for the timer library if test x$enable_timers = xyes; then AC_DEFINE(SDL_TIMER_UNIX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/timer/unix/*.c" have_timers=yes fi # Set up additional files for the file library if test x$enable_file = xyes; then SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m" fi # Set up other core UNIX files SOURCES="$SOURCES $srcdir/src/core/unix/*.c" # The Mac OS X platform requires special setup. EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit" if test x$enable_video_metal = xyes -o x$enable_video_vulkan = xyes; then EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-weak_framework,QuartzCore -Wl,-weak_framework,Metal" fi ;; *-nacl|*-pnacl) ARCH=nacl CheckNativeClient CheckDummyAudio CheckDummyVideo CheckOffscreenVideo CheckInputEvents CheckPTHREAD CheckO_CLOEXEC # Set up files for the timer library if test x$enable_timers = xyes; then AC_DEFINE(SDL_TIMER_UNIX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/timer/unix/*.c" have_timers=yes fi if test x$enable_filesystem = xyes; then AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ]) SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c" have_filesystem=yes fi ;; *-*-emscripten* ) if test x$enable_video = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c" have_video=yes SUMMARY_video="${SUMMARY_video} emscripten" fi if test x$enable_audio = xyes; then AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c" have_audio=yes SUMMARY_audio="${SUMMARY_audio} emscripten" fi CheckVisibilityHidden CheckDeclarationAfterStatement CheckDummyVideo CheckOffscreenVideo CheckDiskAudio CheckDummyAudio CheckPTHREAD CheckDLOPEN CheckClockGettime CheckEmscriptenGLES # Set up files for the misc library if test x$enable_misc = xyes; then SOURCES="$SOURCES $srcdir/src/misc/emscripten/*.c" have_misc=yes fi # Set up files for the power library if test x$enable_power = xyes; then AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ]) SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c" have_power=yes fi # Set up files for the joystick library if test x$enable_joystick = xyes; then AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ]) SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c" have_joystick=yes fi # Set up files for the filesystem library if test x$enable_filesystem = xyes; then AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ]) SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c" have_filesystem=yes fi # Set up files for the timer library if test x$enable_timers = xyes; then AC_DEFINE(SDL_TIMER_UNIX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/timer/unix/*.c" have_timers=yes fi # Set up files for the locale library if test x$enable_locale = xyes; then SOURCES="$SOURCES $srcdir/src/locale/emscripten/*.c" have_locale=yes fi ;; *-*-riscos*) ARCH=riscos CheckVisibilityHidden CheckDeclarationAfterStatement CheckDummyVideo CheckOffscreenVideo CheckDiskAudio CheckDummyAudio CheckDLOPEN CheckO_CLOEXEC CheckOSS CheckPTHREAD CheckClockGettime # Set up files for the misc library if test x$enable_misc = xyes; then SOURCES="$SOURCES $srcdir/src/misc/riscos/*.c" have_misc=yes fi # Set up files for the video library if test x$enable_video = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_RISCOS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/riscos/*.c" have_video=yes SUMMARY_video="${SUMMARY_video} riscos" fi # Set up files for the filesystem library if test x$enable_filesystem = xyes; then AC_DEFINE(SDL_FILESYSTEM_RISCOS, 1, [ ]) SOURCES="$SOURCES $srcdir/src/filesystem/riscos/*.c" have_filesystem=yes fi # Set up files for the timer library if test x$enable_timers = xyes; then AC_DEFINE(SDL_TIMER_UNIX, 1, [ ]) SOURCES="$SOURCES $srcdir/src/timer/unix/*.c" have_timers=yes fi ;; *-*-os2*) ARCH=os2 if test "$build" != "$host"; then # cross-compiling # Default cross-compile location ac_default_prefix=/@unixroot/usr/local/cross-tools/$host else # Look for the location of the tools and install there if test "$BUILD_PREFIX" != ""; then ac_default_prefix=$BUILD_PREFIX fi fi enable_static=no # disable static builds EXTRA_CFLAGS="$EXTRA_CFLAGS -DBUILD_SDL -DOS2EMX_PLAIN_CHAR" CheckOS2 CheckDeclarationAfterStatement CheckDummyVideo CheckDiskAudio CheckDummyAudio CheckHIDAPI # Set up the core platform files SOURCES="$SOURCES $srcdir/src/core/os2/*.c" if test x$enable_system_iconv = xyes; then if test x$ac_cv_func_iconv != xyes -o x$ac_cv_header_iconv_h != xyes; then SOURCES="$SOURCES $srcdir/src/core/os2/geniconv/*.c" fi fi # Use the Unix locale APIs. if test x$enable_locale = xyes; then SOURCES="$SOURCES $srcdir/src/locale/unix/*.c" have_locale=yes fi # Set up files for the video library if test x$enable_video = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_OS2, 1, [ ]) SOURCES="$SOURCES $srcdir/src/video/os2/*.c" have_video=yes SUMMARY_video="${SUMMARY_video} os/2" fi # Set up files for the audio library if test x$enable_audio = xyes; then AC_DEFINE(SDL_AUDIO_DRIVER_OS2, 1, [ ]) SOURCES="$SOURCES $srcdir/src/audio/os2/*.c" have_audio=yes SUMMARY_audio="${SUMMARY_audio} os/2" EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lmmpm2" fi # Set up files for the thread library if test x$enable_threads = xyes; then AC_DEFINE(SDL_THREAD_OS2, 1, [ ]) SOURCES="$SOURCES $srcdir/src/thread/os2/*.c" SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c" have_threads=yes fi # Set up files for the timer library if test x$enable_timers = xyes; then AC_DEFINE(SDL_TIMER_OS2, 1, [ ]) SOURCES="$SOURCES $srcdir/src/timer/os2/*.c" have_timers=yes fi # Set up files for the shared object loading library if test x$enable_loadso = xyes; then AC_DEFINE(SDL_LOADSO_OS2, 1, [ ]) SOURCES="$SOURCES $srcdir/src/loadso/os2/*.c" have_loadso=yes fi # Set up files for the filesystem library if test x$enable_filesystem = xyes; then AC_DEFINE(SDL_FILESYSTEM_OS2, 1, [ ]) SOURCES="$SOURCES $srcdir/src/filesystem/os2/*.c" have_filesystem=yes fi # Set up files for the joystick library if test x$enable_joystick = xyes; then AC_DEFINE(SDL_JOYSTICK_OS2, 1, [ ]) SOURCES="$SOURCES $srcdir/src/joystick/os2/*.c" have_joystick=yes fi ;; *) AC_MSG_ERROR([ *** Unsupported host: Please add to configure.ac ]) ;; esac dnl Permit use of virtual joystick APIs on any platform (subject to configure options) CheckVirtualJoystick # Check whether to install sdl2-config AC_MSG_CHECKING(whether to install sdl2-config) AC_ARG_ENABLE([sdl2-config], [AS_HELP_STRING([--enable-sdl2-config],[Install sdl2-config [default=yes]])], [case "${enableval}" in yes) enable_sdl2_config="TRUE" ;; no) enable_sdl2_config="FALSE" ;; *) AC_MSG_ERROR([bad value '${enableval}' for --enable-sdl2-config]) ;; esac], [enable_sdl2_config="TRUE"]) if test "$enable_sdl2_config" = "TRUE"; then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi AC_SUBST([INSTALL_SDL2_CONFIG], [$enable_sdl2_config]) # Verify that we have all the platform specific files we need if test x$have_audio != xyes; then if test x$enable_audio = xyes; then AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ]) fi SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c" fi if test x$have_video != xyes; then if test x$enable_video = xyes; then AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ]) fi SOURCES="$SOURCES $srcdir/src/video/dummy/*.c" fi if test x$have_misc != xyes; then if test x$enable_misc = xyes; then AC_DEFINE(SDL_MISC_DUMMY, 1, [ ]) fi SOURCES="$SOURCES $srcdir/src/misc/dummy/*.c" fi if test x$have_locale != xyes; then if test x$enable_locale = xyes; then AC_DEFINE(SDL_LOCALE_DUMMY, 1, [ ]) fi SOURCES="$SOURCES $srcdir/src/locale/dummy/*.c" fi if test x$have_joystick != xyes; then if test x$enable_joystick = xyes; then AC_DEFINE(SDL_JOYSTICK_DUMMY, 1, [ ]) fi SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c" fi if test x$have_haptic != xyes; then if test x$enable_haptic = xyes; then AC_DEFINE(SDL_HAPTIC_DUMMY, 1, [ ]) fi SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c" fi if test x$have_sensor != xyes; then if test x$enable_sensor = xyes; then AC_DEFINE(SDL_SENSOR_DUMMY, 1, [ ]) fi SOURCES="$SOURCES $srcdir/src/sensor/dummy/*.c" fi if test x$have_threads != xyes; then if test x$enable_threads = xyes; then AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ]) fi SOURCES="$SOURCES $srcdir/src/thread/generic/*.c" fi if test x$have_timers != xyes; then if test x$enable_timers = xyes; then AC_DEFINE(SDL_TIMER_DUMMY, 1, [ ]) fi SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c" fi if test x$have_filesystem != xyes; then if test x$enable_filesystem = xyes; then AC_DEFINE(SDL_FILESYSTEM_DUMMY, 1, [ ]) fi SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c" fi if test x$have_loadso != xyes; then if test x$enable_loadso = xyes; then AC_DEFINE(SDL_LOADSO_DUMMY, 1, [ ]) fi SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c" fi if test x$SDLMAIN_SOURCES = x; then SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c" fi SDLTEST_SOURCES="$srcdir/src/test/*.c" if test x$video_wayland = xyes; then WAYLAND_PROTOCOLS=`cd $srcdir/wayland-protocols ; for p in *.xml ; do printf '%s' "\$p" |sed 's,\\.xml\$, ,g' ; done` WAYLAND_PROTOCOLS_SOURCES=`for p in $WAYLAND_PROTOCOLS ; do printf '%s' "\\$(gen)/\$p-protocol.c " ; done` WAYLAND_PROTOCOLS_HEADERS=`for p in $WAYLAND_PROTOCOLS ; do printf '%s' "\\$(gen)/\$p-client-protocol.h " ; done` GEN_SOURCES="$GEN_SOURCES $WAYLAND_PROTOCOLS_SOURCES" GEN_HEADERS="$GEN_HEADERS $WAYLAND_PROTOCOLS_HEADERS" WAYLAND_PROTOCOLS_DEPENDS=`for p in $WAYLAND_PROTOCOLS ; do\ echo ;\ printf '%s\n' "\\$(gen)/\$p-client-protocol.h: \\$(srcdir)/wayland-protocols/\$p.xml" ;\ printf '%s\n' " @\\$(SHELL) \\$(auxdir)/mkinstalldirs \\$(gen)" ;\ printf '%s\n' " \\$(RUN_CMD_GEN)\\$(WAYLAND_SCANNER) client-header \\$< \\$@" ;\ echo ;\ printf '%s\n' "\\$(gen)/\$p-protocol.c: \\$(srcdir)/wayland-protocols/\$p.xml" ;\ printf '%s\n' " @\\$(SHELL) \\$(auxdir)/mkinstalldirs \\$(gen)" ;\ printf '%s\n' " \\$(RUN_CMD_GEN)\\$(WAYLAND_SCANNER) \\$(WAYLAND_SCANNER_CODE_MODE) \\$< \\$@" ;\ echo ;\ printf '%s\n' "\\$(objects)/\$p-protocol.lo: \\$(gen)/\$p-protocol.c \\$(gen)/\$p-client-protocol.h" ;\ printf '%s\n' " @\\$(SHELL) \\$(auxdir)/mkinstalldirs \\$(objects)" ;\ printf '%s\n' " \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@" ;\ done ;\ echo ;\ for s in $WAYLAND_SOURCES ; do printf '%s' "\$s:" ; printf ' \$(gen)/%s-client-protocol.h' $WAYLAND_PROTOCOLS ; echo ; done ; echo` fi OBJECTS=`echo $SOURCES` DEPENDS=`echo $SOURCES | tr ' ' '\n'` for EXT in asm cc m c S; do OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'` DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\ \\$(objects)/\\2.lo: \\1/\\2.$EXT \\$(objects)/.created\\\\ \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"` done GEN_OBJECTS=`echo "$GEN_SOURCES" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'` VERSION_OBJECTS=`echo $VERSION_SOURCES` VERSION_DEPENDS=`echo $VERSION_SOURCES` VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.lo,g'` VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\ \\$(objects)/\\2.lo: \\1/\\2.rc \\$(objects)/.created\\\\ \\$(RUN_CMD_RC)\\$(LIBTOOL) --mode=compile --tag=RC \\$(RC) -i \\$< -o \\$@,g"` SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES` SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES` SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'` SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\ \\$(objects)/\\2.lo: \\1/\\2.c \\$(objects)/.created\\\\ \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"` SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES` SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES` SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'` SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\ \\$(objects)/\\2.lo: \\1/\\2.c \\$(objects)/.created\\\\ \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"` # Set runtime shared library paths as needed if test "x$enable_rpath" = "xyes" -a "x$enable_shared" = "xyes"; then if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}" AC_MSG_CHECKING(for linker option --enable-new-dtags) have_enable_new_dtags=no save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -Wl,--enable-new-dtags" AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], [ have_enable_new_dtags=yes SDL_RLD_FLAGS="$SDL_RLD_FLAGS -Wl,--enable-new-dtags" ],[]) LDFLAGS="$save_LDFLAGS" AC_MSG_RESULT($have_enable_new_dtags) fi if test $ARCH = solaris; then SDL_RLD_FLAGS="-R\${libdir}" fi else SDL_RLD_FLAGS="" fi SDL_STATIC_LIBS="$EXTRA_LDFLAGS" dnl Calculate the location of the prefix, relative to the cmake folder dnl Calculate the location of the prefix, relative to bindir pkg_cmakedir='$libdir/cmake/SDL2' AX_COMPUTE_RELATIVE_PATHS([pkg_cmakedir:prefix:cmake_prefix_relpath bindir:prefix:bin_prefix_relpath]) AC_SUBST([cmake_prefix_relpath]) AC_SUBST([bin_prefix_relpath]) dnl Expand the cflags and libraries needed by apps using SDL AC_SUBST(SDL_CFLAGS) AC_SUBST(SDL_LIBS) AC_SUBST(SDL_STATIC_LIBS) AC_SUBST(SDL_RLD_FLAGS) if test x$enable_shared = xyes; then PKGCONFIG_LIBS_PRIV=" Libs.private:" ENABLE_SHARED_TRUE= ENABLE_SHARED_FALSE="#" else PKGCONFIG_LIBS_PRIV= ENABLE_SHARED_TRUE="#" ENABLE_SHARED_FALSE= fi if test x$enable_static = xyes; then ENABLE_STATIC_TRUE= ENABLE_STATIC_FALSE="#" else ENABLE_STATIC_TRUE="#" ENABLE_STATIC_FALSE= fi AC_SUBST(PKGCONFIG_LIBS_PRIV) AC_SUBST(ENABLE_SHARED_TRUE) AC_SUBST(ENABLE_SHARED_FALSE) AC_SUBST(ENABLE_STATIC_TRUE) AC_SUBST(ENABLE_STATIC_FALSE) dnl Expand the sources and objects needed to build the library AC_SUBST(ac_aux_dir) AC_SUBST(INCLUDE) AC_SUBST(OBJECTS) AC_SUBST(GEN_HEADERS) AC_SUBST(GEN_OBJECTS) AC_SUBST(VERSION_OBJECTS) AC_SUBST(SDLMAIN_OBJECTS) AC_SUBST(SDLTEST_OBJECTS) AC_SUBST(BUILD_CFLAGS) AC_SUBST(EXTRA_CFLAGS) AC_SUBST(BUILD_LDFLAGS) AC_SUBST(EXTRA_LDFLAGS) AC_SUBST(WAYLAND_SCANNER) AC_SUBST(WAYLAND_SCANNER_CODE_MODE) cat >Makefile.rules <<__EOF__ # Build rules for objects -include \$(OBJECTS:.lo=.d) # Special dependency for SDL.c, since it depends on SDL_revision.h $srcdir/src/SDL.c: update-revision $DEPENDS $VERSION_DEPENDS $SDLMAIN_DEPENDS $SDLTEST_DEPENDS $WAYLAND_PROTOCOLS_DEPENDS __EOF__ AC_CONFIG_FILES([ Makefile:Makefile.in:Makefile.rules sdl2-config sdl2-config.cmake sdl2-config-version.cmake SDL2.spec sdl2.pc ]) AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config]) SUMMARY="SDL2 Configure Summary:\n" if test x$enable_shared = xyes; then SUMMARY="${SUMMARY}Building Shared Libraries\n" fi if test x$enable_static = xyes; then SUMMARY="${SUMMARY}Building Static Libraries\n" fi SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n" SUMMARY="${SUMMARY}Assembly Math :${SUMMARY_math}\n" SUMMARY="${SUMMARY}Audio drivers :${SUMMARY_audio}\n" SUMMARY="${SUMMARY}Video drivers :${SUMMARY_video}\n" if test x$have_x = xyes; then SUMMARY="${SUMMARY}X11 libraries :${SUMMARY_video_x11}\n" fi SUMMARY="${SUMMARY}Input drivers :${SUMMARY_input}\n" if test x$have_joystick_virtual = xyes; then SUMMARY="${SUMMARY}Enable virtual joystick APIs : YES\n" else SUMMARY="${SUMMARY}Enable virtual joystick APIs : NO\n" fi if test x$have_samplerate_h_hdr = xyes; then SUMMARY="${SUMMARY}Using libsamplerate : YES\n" else SUMMARY="${SUMMARY}Using libsamplerate : NO\n" fi if test x$have_libudev_h_hdr = xyes; then SUMMARY="${SUMMARY}Using libudev : YES\n" else SUMMARY="${SUMMARY}Using libudev : NO\n" fi if test x$have_dbus_dbus_h_hdr = xyes; then SUMMARY="${SUMMARY}Using dbus : YES\n" else SUMMARY="${SUMMARY}Using dbus : NO\n" fi if test x$enable_ime = xyes; then SUMMARY="${SUMMARY}Using ime : YES\n" else SUMMARY="${SUMMARY}Using ime : NO\n" fi if test x$have_ibus_ibus_h_hdr = xyes; then SUMMARY="${SUMMARY}Using ibus : YES\n" else SUMMARY="${SUMMARY}Using ibus : NO\n" fi if test x$have_fcitx = xyes; then SUMMARY="${SUMMARY}Using fcitx : YES\n" else SUMMARY="${SUMMARY}Using fcitx : NO\n" fi if test x$WARN_ABOUT_ARM_SIMD_ASM_MIT = xyes; then SUMMARY="${SUMMARY}\nSDL is being built with ARM SIMD optimizations, which\n" SUMMARY="${SUMMARY}uses code licensed under the MIT license. If this is a\n" SUMMARY="${SUMMARY}problem, please disable that code by rerunning the\n" SUMMARY="${SUMMARY}configure script with:\n" SUMMARY="${SUMMARY}\n --disable-arm-simd\n" fi if test x$WARN_ABOUT_ARM_NEON_ASM_MIT = xyes; then SUMMARY="${SUMMARY}\nSDL is being built with ARM NEON optimizations, which\n" SUMMARY="${SUMMARY}uses code licensed under the MIT license. If this is a\n" SUMMARY="${SUMMARY}problem, please disable that code by rerunning the\n" SUMMARY="${SUMMARY}configure script with:\n" SUMMARY="${SUMMARY}\n --disable-arm-neon\n" fi AC_CONFIG_COMMANDS([summary], [printf "$SUMMARY"], [SUMMARY="$SUMMARY"]) AC_OUTPUT