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@@ -1,214 +0,0 @@
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-# Configure paths for SDL
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-# Sam Lantinga 9/21/99
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-# stolen from Manish Singh
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-# stolen back from Frank Belew
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-# stolen from Manish Singh
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-# Shamelessly stolen from Owen Taylor
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-#
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-# Changelog:
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-# * also look for SDL3.framework under macOS
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-# * removed HP/UX 9 support.
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-# * updated for newer autoconf.
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-
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-# serial 2
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-
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-dnl AM_PATH_SDL3([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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-dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
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-dnl
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-AC_DEFUN([AM_PATH_SDL3],
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-[dnl
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-dnl Get the cflags and libraries from the sdl3-config script
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-dnl
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-AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)],
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- sdl_prefix="$withval", sdl_prefix="")
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-AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
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- sdl_exec_prefix="$withval", sdl_exec_prefix="")
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-AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program],
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- , enable_sdltest=yes)
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-AC_ARG_ENABLE(sdlframework, [ --disable-sdlframework Do not search for SDL3.framework],
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- , search_sdl_framework=yes)
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-
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-AC_ARG_VAR(SDL3_FRAMEWORK, [Path to SDL3.framework])
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-
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- min_sdl_version=ifelse([$1], ,3.0.0,$1)
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-
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- if test "x$sdl_prefix$sdl_exec_prefix" = x ; then
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- PKG_CHECK_MODULES([SDL], [sdl3 >= $min_sdl_version],
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- [sdl_pc=yes],
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- [sdl_pc=no])
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- else
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- sdl_pc=no
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- if test x$sdl_exec_prefix != x ; then
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- sdl_config_args="$sdl_config_args --exec-prefix=$sdl_exec_prefix"
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- if test x${SDL3_CONFIG+set} != xset ; then
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- SDL3_CONFIG=$sdl_exec_prefix/bin/sdl3-config
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- fi
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- fi
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- if test x$sdl_prefix != x ; then
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- sdl_config_args="$sdl_config_args --prefix=$sdl_prefix"
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- if test x${SDL3_CONFIG+set} != xset ; then
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- SDL3_CONFIG=$sdl_prefix/bin/sdl3-config
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- fi
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- fi
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- fi
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-
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- if test "x$sdl_pc" = xyes ; then
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- no_sdl=""
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- SDL3_CONFIG="pkg-config sdl3"
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- else
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- as_save_PATH="$PATH"
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- if test "x$prefix" != xNONE && test "$cross_compiling" != yes; then
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- PATH="$prefix/bin:$prefix/usr/bin:$PATH"
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- fi
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- AC_PATH_PROG(SDL3_CONFIG, sdl3-config, no, [$PATH])
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- PATH="$as_save_PATH"
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- no_sdl=""
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-
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- if test "$SDL3_CONFIG" = "no" -a "x$search_sdl_framework" = "xyes"; then
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- AC_MSG_CHECKING(for SDL3.framework)
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- if test "x$SDL3_FRAMEWORK" != x; then
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- sdl_framework=$SDL3_FRAMEWORK
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- else
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- for d in / ~/ /System/; do
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- if test -d "${d}Library/Frameworks/SDL3.framework"; then
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- sdl_framework="${d}Library/Frameworks/SDL3.framework"
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- fi
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- done
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- fi
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-
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- if test x"$sdl_framework" != x && test -d "$sdl_framework"; then
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- AC_MSG_RESULT($sdl_framework)
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- sdl_framework_dir=`dirname $sdl_framework`
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- SDL_CFLAGS="-F$sdl_framework_dir -Wl,-framework,SDL3 -I$sdl_framework/include"
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- SDL_LIBS="-F$sdl_framework_dir -Wl,-framework,SDL3"
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- else
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- no_sdl=yes
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- fi
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- fi
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-
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- if test "$SDL3_CONFIG" != "no"; then
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- if test "x$sdl_pc" = "xno"; then
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- AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
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- SDL_CFLAGS=`$SDL3_CONFIG $sdl_config_args --cflags`
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- SDL_LIBS=`$SDL3_CONFIG $sdl_config_args --libs`
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- fi
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-
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- sdl_major_version=`$SDL3_CONFIG $sdl_config_args --version | \
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- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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- sdl_minor_version=`$SDL3_CONFIG $sdl_config_args --version | \
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- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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- sdl_micro_version=`$SDL3_CONFIG $sdl_config_args --version | \
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- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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- if test "x$enable_sdltest" = "xyes" ; then
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- ac_save_CFLAGS="$CFLAGS"
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- ac_save_CXXFLAGS="$CXXFLAGS"
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- ac_save_LIBS="$LIBS"
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- CFLAGS="$CFLAGS $SDL_CFLAGS"
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- CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
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- LIBS="$LIBS $SDL_LIBS"
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-dnl
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-dnl Now check if the installed SDL is sufficiently new. (Also sanity
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-dnl checks the results of sdl3-config to some extent
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-dnl
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- rm -f conf.sdltest
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- AC_RUN_IFELSE([AC_LANG_SOURCE([[
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-#include <stdio.h>
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-#include <stdlib.h>
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-#include "SDL.h"
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-
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-int main (int argc, char *argv[])
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-{
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- int major, minor, micro;
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- FILE *fp = fopen("conf.sdltest", "w");
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-
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- if (fp) fclose(fp);
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-
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- if (sscanf("$min_sdl_version", "%d.%d.%d", &major, &minor, µ) != 3) {
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- printf("%s, bad version string\n", "$min_sdl_version");
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- exit(1);
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- }
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-
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- if (($sdl_major_version > major) ||
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- (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
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- (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
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- {
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- return 0;
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- }
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- else
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- {
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- printf("\n*** 'sdl3-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
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- printf("*** of SDL required is %d.%d.%d. If sdl3-config is correct, then it is\n", major, minor, micro);
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- printf("*** best to upgrade to the required version.\n");
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- printf("*** If sdl3-config was wrong, set the environment variable SDL3_CONFIG\n");
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- printf("*** to point to the correct copy of sdl3-config, and remove the file\n");
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- printf("*** config.cache before re-running configure\n");
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- return 1;
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- }
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-}
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-
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-]])], [], [no_sdl=yes], [echo $ac_n "cross compiling; assumed OK... $ac_c"])
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- CFLAGS="$ac_save_CFLAGS"
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- CXXFLAGS="$ac_save_CXXFLAGS"
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- LIBS="$ac_save_LIBS"
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-
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- fi
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- if test "x$sdl_pc" = "xno"; then
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- if test "x$no_sdl" = "xyes"; then
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- AC_MSG_RESULT(no)
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- else
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- AC_MSG_RESULT(yes)
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- fi
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- fi
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- fi
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- fi
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- if test "x$no_sdl" = x ; then
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- ifelse([$2], , :, [$2])
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- else
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- if test "$SDL3_CONFIG" = "no" ; then
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- echo "*** The sdl3-config script installed by SDL could not be found"
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- echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
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- echo "*** your path, or set the SDL3_CONFIG environment variable to the"
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- echo "*** full path to sdl3-config."
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- else
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- if test -f conf.sdltest ; then
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- :
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- else
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- echo "*** Could not run SDL test program, checking why..."
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- CFLAGS="$CFLAGS $SDL_CFLAGS"
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- CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
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- LIBS="$LIBS $SDL_LIBS"
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- AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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-#include <stdio.h>
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-#include "SDL.h"
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-
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-int main(int argc, char *argv[])
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-{ return 0; }
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-#undef main
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-#define main K_and_R_C_main
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-]], [[ return 0; ]])],
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- [ echo "*** The test program compiled, but did not run. This usually means"
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- echo "*** that the run-time linker is not finding SDL or finding the wrong"
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- echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
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- echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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- echo "*** to the installed location Also, make sure you have run ldconfig if that"
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- echo "*** is required on your system"
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- echo "***"
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- echo "*** If you have an old version installed, it is best to remove it, although"
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- echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
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- [ echo "*** The test program failed to compile or link. See the file config.log for the"
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- echo "*** exact error that occured. This usually means SDL was incorrectly installed"
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- echo "*** or that you have moved SDL since it was installed. In the latter case, you"
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- echo "*** may want to edit the sdl3-config script: $SDL3_CONFIG" ])
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- CFLAGS="$ac_save_CFLAGS"
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- CXXFLAGS="$ac_save_CXXFLAGS"
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- LIBS="$ac_save_LIBS"
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- fi
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- fi
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- SDL_CFLAGS=""
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- SDL_LIBS=""
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- ifelse([$3], , :, [$3])
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- fi
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- AC_SUBST(SDL_CFLAGS)
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- AC_SUBST(SDL_LIBS)
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- rm -f conf.sdltest
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-])
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Sam Lantinga