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https://github.com/Ryujinx/SDL.git
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0e45984fa0
The internal function SDL_EGL_LoadLibrary() did not delete and remove a mostly uninitialized data structure if loading the library first failed. A later try to use EGL then skipped initialization and assumed it was previously successful because the data structure now already existed. This led to at least one crash in the internal function SDL_EGL_ChooseConfig() because a NULL pointer was dereferenced to make a call to eglBindAPI().
385 lines
12 KiB
Plaintext
385 lines
12 KiB
Plaintext
# Helper functions for option handling. -*- Autoconf -*-
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#
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# Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation,
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# Inc.
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# Written by Gary V. Vaughan, 2004
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#
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# This file is free software; the Free Software Foundation gives
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# unlimited permission to copy and/or distribute it, with or without
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# modifications, as long as this notice is preserved.
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# serial 7 ltoptions.m4
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# This is to help aclocal find these macros, as it can't see m4_define.
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AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
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# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
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# ------------------------------------------
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m4_define([_LT_MANGLE_OPTION],
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[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
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# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
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# ---------------------------------------
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# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
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# matching handler defined, dispatch to it. Other OPTION-NAMEs are
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# saved as a flag.
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m4_define([_LT_SET_OPTION],
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[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
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m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
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_LT_MANGLE_DEFUN([$1], [$2]),
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[m4_warning([Unknown $1 option `$2'])])[]dnl
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])
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# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
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# ------------------------------------------------------------
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# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
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m4_define([_LT_IF_OPTION],
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[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
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# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
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# -------------------------------------------------------
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# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
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# are set.
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m4_define([_LT_UNLESS_OPTIONS],
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[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
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[m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
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[m4_define([$0_found])])])[]dnl
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m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
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])[]dnl
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])
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# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
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# ----------------------------------------
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# OPTION-LIST is a space-separated list of Libtool options associated
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# with MACRO-NAME. If any OPTION has a matching handler declared with
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# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
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# the unknown option and exit.
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m4_defun([_LT_SET_OPTIONS],
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[# Set options
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m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
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[_LT_SET_OPTION([$1], _LT_Option)])
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m4_if([$1],[LT_INIT],[
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dnl
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dnl Simply set some default values (i.e off) if boolean options were not
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dnl specified:
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_LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
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])
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_LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
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])
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dnl
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dnl If no reference was made to various pairs of opposing options, then
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dnl we run the default mode handler for the pair. For example, if neither
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dnl `shared' nor `disable-shared' was passed, we enable building of shared
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dnl archives by default:
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_LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
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_LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
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_LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
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_LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
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[_LT_ENABLE_FAST_INSTALL])
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])
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])# _LT_SET_OPTIONS
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## --------------------------------- ##
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## Macros to handle LT_INIT options. ##
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## --------------------------------- ##
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# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
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# -----------------------------------------
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m4_define([_LT_MANGLE_DEFUN],
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[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
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# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
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# -----------------------------------------------
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m4_define([LT_OPTION_DEFINE],
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[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
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])# LT_OPTION_DEFINE
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# dlopen
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# ------
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LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
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])
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AU_DEFUN([AC_LIBTOOL_DLOPEN],
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[_LT_SET_OPTION([LT_INIT], [dlopen])
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AC_DIAGNOSE([obsolete],
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[$0: Remove this warning and the call to _LT_SET_OPTION when you
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put the `dlopen' option into LT_INIT's first parameter.])
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])
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dnl aclocal-1.4 backwards compatibility:
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dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
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# win32-dll
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# ---------
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# Declare package support for building win32 dll's.
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LT_OPTION_DEFINE([LT_INIT], [win32-dll],
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[enable_win32_dll=yes
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case $host in
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*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
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AC_CHECK_TOOL(AS, as, false)
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AC_CHECK_TOOL(DLLTOOL, dlltool, false)
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AC_CHECK_TOOL(OBJDUMP, objdump, false)
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;;
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esac
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test -z "$AS" && AS=as
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_LT_DECL([], [AS], [1], [Assembler program])dnl
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test -z "$DLLTOOL" && DLLTOOL=dlltool
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_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
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test -z "$OBJDUMP" && OBJDUMP=objdump
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_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
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])# win32-dll
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AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
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[AC_REQUIRE([AC_CANONICAL_HOST])dnl
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_LT_SET_OPTION([LT_INIT], [win32-dll])
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AC_DIAGNOSE([obsolete],
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[$0: Remove this warning and the call to _LT_SET_OPTION when you
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put the `win32-dll' option into LT_INIT's first parameter.])
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])
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dnl aclocal-1.4 backwards compatibility:
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dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
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# _LT_ENABLE_SHARED([DEFAULT])
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# ----------------------------
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# implement the --enable-shared flag, and supports the `shared' and
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# `disable-shared' LT_INIT options.
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# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
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m4_define([_LT_ENABLE_SHARED],
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[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
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AC_ARG_ENABLE([shared],
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[AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
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[build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
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[p=${PACKAGE-default}
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case $enableval in
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yes) enable_shared=yes ;;
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no) enable_shared=no ;;
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*)
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enable_shared=no
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# Look at the argument we got. We use all the common list separators.
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lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
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for pkg in $enableval; do
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IFS="$lt_save_ifs"
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if test "X$pkg" = "X$p"; then
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enable_shared=yes
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fi
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done
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IFS="$lt_save_ifs"
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;;
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esac],
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[enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
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_LT_DECL([build_libtool_libs], [enable_shared], [0],
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[Whether or not to build shared libraries])
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])# _LT_ENABLE_SHARED
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LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
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LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
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# Old names:
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AC_DEFUN([AC_ENABLE_SHARED],
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[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
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])
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AC_DEFUN([AC_DISABLE_SHARED],
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[_LT_SET_OPTION([LT_INIT], [disable-shared])
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])
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AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
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AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
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dnl aclocal-1.4 backwards compatibility:
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dnl AC_DEFUN([AM_ENABLE_SHARED], [])
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dnl AC_DEFUN([AM_DISABLE_SHARED], [])
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# _LT_ENABLE_STATIC([DEFAULT])
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# ----------------------------
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# implement the --enable-static flag, and support the `static' and
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# `disable-static' LT_INIT options.
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# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
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m4_define([_LT_ENABLE_STATIC],
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[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
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AC_ARG_ENABLE([static],
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[AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
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[build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
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[p=${PACKAGE-default}
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case $enableval in
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yes) enable_static=yes ;;
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no) enable_static=no ;;
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*)
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enable_static=no
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# Look at the argument we got. We use all the common list separators.
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lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
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for pkg in $enableval; do
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IFS="$lt_save_ifs"
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if test "X$pkg" = "X$p"; then
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enable_static=yes
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fi
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done
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IFS="$lt_save_ifs"
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;;
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esac],
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[enable_static=]_LT_ENABLE_STATIC_DEFAULT)
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_LT_DECL([build_old_libs], [enable_static], [0],
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[Whether or not to build static libraries])
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])# _LT_ENABLE_STATIC
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LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
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LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
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# Old names:
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AC_DEFUN([AC_ENABLE_STATIC],
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[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
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])
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AC_DEFUN([AC_DISABLE_STATIC],
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[_LT_SET_OPTION([LT_INIT], [disable-static])
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])
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AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
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AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
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dnl aclocal-1.4 backwards compatibility:
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dnl AC_DEFUN([AM_ENABLE_STATIC], [])
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dnl AC_DEFUN([AM_DISABLE_STATIC], [])
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# _LT_ENABLE_FAST_INSTALL([DEFAULT])
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# ----------------------------------
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# implement the --enable-fast-install flag, and support the `fast-install'
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# and `disable-fast-install' LT_INIT options.
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# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
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m4_define([_LT_ENABLE_FAST_INSTALL],
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[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
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AC_ARG_ENABLE([fast-install],
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[AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
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[optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
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[p=${PACKAGE-default}
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case $enableval in
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yes) enable_fast_install=yes ;;
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no) enable_fast_install=no ;;
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*)
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enable_fast_install=no
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# Look at the argument we got. We use all the common list separators.
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lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
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for pkg in $enableval; do
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IFS="$lt_save_ifs"
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if test "X$pkg" = "X$p"; then
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enable_fast_install=yes
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fi
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done
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IFS="$lt_save_ifs"
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;;
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esac],
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[enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
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_LT_DECL([fast_install], [enable_fast_install], [0],
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[Whether or not to optimize for fast installation])dnl
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])# _LT_ENABLE_FAST_INSTALL
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LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
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LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
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# Old names:
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AU_DEFUN([AC_ENABLE_FAST_INSTALL],
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[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
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AC_DIAGNOSE([obsolete],
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[$0: Remove this warning and the call to _LT_SET_OPTION when you put
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the `fast-install' option into LT_INIT's first parameter.])
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])
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AU_DEFUN([AC_DISABLE_FAST_INSTALL],
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[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
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AC_DIAGNOSE([obsolete],
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[$0: Remove this warning and the call to _LT_SET_OPTION when you put
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the `disable-fast-install' option into LT_INIT's first parameter.])
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])
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dnl aclocal-1.4 backwards compatibility:
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dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
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dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
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# _LT_WITH_PIC([MODE])
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# --------------------
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# implement the --with-pic flag, and support the `pic-only' and `no-pic'
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# LT_INIT options.
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# MODE is either `yes' or `no'. If omitted, it defaults to `both'.
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m4_define([_LT_WITH_PIC],
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[AC_ARG_WITH([pic],
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[AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
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[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
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[lt_p=${PACKAGE-default}
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case $withval in
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yes|no) pic_mode=$withval ;;
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*)
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pic_mode=default
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# Look at the argument we got. We use all the common list separators.
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lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
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for lt_pkg in $withval; do
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IFS="$lt_save_ifs"
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if test "X$lt_pkg" = "X$lt_p"; then
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pic_mode=yes
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fi
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done
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IFS="$lt_save_ifs"
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;;
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esac],
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[pic_mode=default])
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test -z "$pic_mode" && pic_mode=m4_default([$1], [default])
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_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
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])# _LT_WITH_PIC
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LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
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LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
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# Old name:
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AU_DEFUN([AC_LIBTOOL_PICMODE],
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[_LT_SET_OPTION([LT_INIT], [pic-only])
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AC_DIAGNOSE([obsolete],
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[$0: Remove this warning and the call to _LT_SET_OPTION when you
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put the `pic-only' option into LT_INIT's first parameter.])
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])
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dnl aclocal-1.4 backwards compatibility:
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dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
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## ----------------- ##
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## LTDL_INIT Options ##
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## ----------------- ##
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m4_define([_LTDL_MODE], [])
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LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
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[m4_define([_LTDL_MODE], [nonrecursive])])
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LT_OPTION_DEFINE([LTDL_INIT], [recursive],
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[m4_define([_LTDL_MODE], [recursive])])
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LT_OPTION_DEFINE([LTDL_INIT], [subproject],
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[m4_define([_LTDL_MODE], [subproject])])
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m4_define([_LTDL_TYPE], [])
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LT_OPTION_DEFINE([LTDL_INIT], [installable],
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[m4_define([_LTDL_TYPE], [installable])])
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LT_OPTION_DEFINE([LTDL_INIT], [convenience],
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[m4_define([_LTDL_TYPE], [convenience])])
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