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-fvisibility=hidden is no longer a requirement for dynamic X11.

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We don't clash with Xlib symbols anymore.
This commit is contained in:
Ryan C. Gordon 2013-11-19 15:00:39 -05:00
parent 131a072503
commit 825a68983a
2 changed files with 1 additions and 24 deletions
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11
cmake/sdlchecks.cmake
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@ -331,15 +331,8 @@ macro(CheckX11)
set(SOURCE_FILES ${SOURCE_FILES} ${X11_SOURCES})
set(SDL_VIDEO_DRIVER_X11 1)
if(HAVE_GCC_FVISIBILITY)
set(X11_SYMBOLS_PRIVATE TRUE)
else()
set(X11_SYMBOLS_PRIVATE FALSE)
endif(HAVE_GCC_FVISIBILITY)
if(APPLE)
set(X11_SHARED OFF)
set(X11_SYMBOLS_PRIVATE TRUE)
endif(APPLE)
check_function_exists("shmat" HAVE_SHMAT)
@ -358,10 +351,6 @@ macro(CheckX11)
if(NOT HAVE_DLOPEN)
message_warn("You must have SDL_LoadObject() support for dynamic X11 loading")
set(HAVE_X11_SHARED FALSE)
if(X11_SYMBOLS_PRIVATE)
message_warn("You must have gcc4 (-fvisibility=hidden) for dynamic X11 loading")
set(HAVE_X11_SHARED TRUE)
endif(X11_SYMBOLS_PRIVATE)
else(NOT HAVE_DLOPEN)
set(HAVE_X11_SHARED TRUE)
endif()

14
configure.in
View file

@ -1140,18 +1140,12 @@ AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
AC_PATH_X
AC_PATH_XTRA
if test x$have_x = xyes; then
# Only allow dynamically loaded X11 if the X11 function pointers
# will not end up in the global namespace, which causes problems
# with other libraries calling X11 functions.
x11_symbols_private=$have_gcc_fvisibility
AC_ARG_ENABLE(x11-shared,
AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
, enable_x11_shared=maybe)
case "$host" in
*-*-darwin*)
x11_symbols_private=yes
x11_lib='/usr/X11R6/lib/libX11.6.dylib'
x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
@ -1212,19 +1206,13 @@ AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=ma
SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
if test x$enable_x11_shared = xmaybe; then
enable_x11_shared=$x11_symbols_private
enable_x11_shared=yes
fi
if test x$have_loadso != xyes && \
test x$enable_x11_shared = xyes; then
AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
enable_x11_shared=no
fi
if test x$x11_symbols_private != xyes && \
test x$enable_x11_shared = xyes; then
AC_MSG_WARN([You must have gcc4 (-fvisibility=hidden) for dynamic X11 loading])
enable_x11_shared=no
fi
if test x$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"