dnl aclocal.m4 generated automatically by aclocal 1.4-p6dnl Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.dnl This file is free software; the Free Software Foundationdnl gives unlimited permission to copy and/or distribute it,dnl with or without modifications, as long as this notice is preserved.dnl This program is distributed in the hope that it will be useful,dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; withoutdnl even the implied warranty of MERCHANTABILITY or FITNESS FOR Adnl PARTICULAR PURPOSE.# Configure paths for SDL# Sam Lantinga 9/21/99# stolen from Manish Singh# stolen back from Frank Belew# stolen from Manish Singh# Shamelessly stolen from Owen Taylordnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBSdnlAC_DEFUN(AM_PATH_SDL,[dnl dnl Get the cflags and libraries from the sdl-config scriptdnlAC_ARG_WITH(sdl-prefix,[  --with-sdl-prefix=PFX   Prefix where SDL is installed (optional)],            sdl_prefix="$withval", sdl_prefix="")AC_ARG_WITH(sdl-exec-prefix,[  --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],            sdl_exec_prefix="$withval", sdl_exec_prefix="")AC_ARG_ENABLE(sdltest, [  --disable-sdltest       Do not try to compile and run a test SDL program],		    , enable_sdltest=yes)  if test x$sdl_exec_prefix != x ; then     sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix"     if test x${SDL_CONFIG+set} != xset ; then        SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config     fi  fi  if test x$sdl_prefix != x ; then     sdl_args="$sdl_args --prefix=$sdl_prefix"     if test x${SDL_CONFIG+set} != xset ; then        SDL_CONFIG=$sdl_prefix/bin/sdl-config     fi  fi  AC_PATH_PROG(SDL_CONFIG, sdl-config, no)  min_sdl_version=ifelse([$1], ,0.11.0,$1)  AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)  no_sdl=""  if test "$SDL_CONFIG" = "no" ; then    no_sdl=yes  else    SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`    SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`    sdl_major_version=`$SDL_CONFIG $sdl_args --version | \           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`    sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`    sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`    if test "x$enable_sdltest" = "xyes" ; then      ac_save_CFLAGS="$CFLAGS"      ac_save_LIBS="$LIBS"      CFLAGS="$CFLAGS $SDL_CFLAGS"      LIBS="$LIBS $SDL_LIBS"dnldnl Now check if the installed SDL is sufficiently new. (Also sanitydnl checks the results of sdl-config to some extentdnl      rm -f conf.sdltest      AC_TRY_RUN([#include <stdio.h>#include <stdlib.h>#include <string.h>#include <SDL/SDL.h>char*my_strdup (char *str){  char *new_str;    if (str)    {      new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));      strcpy (new_str, str);    }  else    new_str = NULL;    return new_str;}int main (int argc, char *argv[]){  int major, minor, micro;  char *tmp_version;  /* This hangs on some systems (?)  system ("touch conf.sdltest");  */  { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }  /* HP/UX 9 (%@#!) writes to sscanf strings */  tmp_version = my_strdup("$min_sdl_version");  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {     printf("%s, bad version string\n", "$min_sdl_version");     exit(1);   }   if (($sdl_major_version > major) ||      (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||      (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))    {      return 0;    }  else    {      printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);      printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);      printf("*** best to upgrade to the required version.\n");      printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");      printf("*** to point to the correct copy of sdl-config, and remove the file\n");      printf("*** config.cache before re-running configure\n");      return 1;    }}],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])       CFLAGS="$ac_save_CFLAGS"       LIBS="$ac_save_LIBS"     fi  fi  if test "x$no_sdl" = x ; then     AC_MSG_RESULT(yes)     ifelse([$2], , :, [$2])       else     AC_MSG_RESULT(no)     if test "$SDL_CONFIG" = "no" ; then       echo "*** The sdl-config script installed by SDL could not be found"       echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"       echo "*** your path, or set the SDL_CONFIG environment variable to the"       echo "*** full path to sdl-config."     else       if test -f conf.sdltest ; then        :       else          echo "*** Could not run SDL test program, checking why..."          CFLAGS="$CFLAGS $SDL_CFLAGS"          LIBS="$LIBS $SDL_LIBS"          AC_TRY_LINK([#include <stdio.h>#include <SDL/SDL.h>],      [ return 0; ],        [ echo "*** The test program compiled, but did not run. This usually means"          echo "*** that the run-time linker is not finding SDL or finding the wrong"          echo "*** version of SDL. If it is not finding SDL, you'll need to set your"          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"          echo "*** to the installed location  Also, make sure you have run ldconfig if that"          echo "*** is required on your system"	  echo "***"          echo "*** If you have an old version installed, it is best to remove it, although"          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],        [ echo "*** The test program failed to compile or link. See the file config.log for the"          echo "*** exact error that occured. This usually means SDL was incorrectly installed"          echo "*** or that you have moved SDL since it was installed. In the latter case, you"          echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ])          CFLAGS="$ac_save_CFLAGS"          LIBS="$ac_save_LIBS"       fi     fi     SDL_CFLAGS=""     SDL_LIBS=""     ifelse([$3], , :, [$3])  fi  AC_SUBST(SDL_CFLAGS)  AC_SUBST(SDL_LIBS)  rm -f conf.sdltest])# serial 40 AC_PROG_LIBTOOLAC_DEFUN(AC_PROG_LIBTOOL,[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl# Save cache, so that ltconfig can load itAC_CACHE_SAVE# Actually configure libtool.  ac_aux_dir is where install-sh is found.CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \|| AC_MSG_ERROR([libtool configure failed])# Reload cache, that may have been modified by ltconfigAC_CACHE_LOAD# This can be used to rebuild libtool when neededLIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"# Always use our own libtool.LIBTOOL='$(SHELL) $(top_builddir)/libtool'AC_SUBST(LIBTOOL)dnl# Redirect the config.log output again, so that the ltconfig log is not# clobbered by the next message.exec 5>>./config.log])AC_DEFUN(AC_LIBTOOL_SETUP,[AC_PREREQ(2.13)dnlAC_REQUIRE([AC_ENABLE_SHARED])dnlAC_REQUIRE([AC_ENABLE_STATIC])dnlAC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnlAC_REQUIRE([AC_CANONICAL_HOST])dnlAC_REQUIRE([AC_CANONICAL_BUILD])dnlAC_REQUIRE([AC_PROG_RANLIB])dnlAC_REQUIRE([AC_PROG_CC])dnlAC_REQUIRE([AC_PROG_LD])dnlAC_REQUIRE([AC_PROG_NM])dnlAC_REQUIRE([AC_PROG_LN_S])dnldnlcase "$target" inNONE) lt_target="$host" ;;*) lt_target="$target" ;;esac# Check for any special flags to pass to ltconfig.libtool_flags="--cache-file=$cache_file"test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],[libtool_flags="$libtool_flags --enable-dlopen"])ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],[libtool_flags="$libtool_flags --enable-win32-dll"])AC_ARG_ENABLE(libtool-lock,  [  --disable-libtool-lock  avoid locking (might break parallel builds)])test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"# Some flags need to be propagated to the compiler or linker for good# libtool support.case "$lt_target" in*-*-irix6*)  # Find out which ABI we are using.  echo '[#]line __oline__ "configure"' > conftest.$ac_ext  if AC_TRY_EVAL(ac_compile); then    case "`/usr/bin/file conftest.o`" in    *32-bit*)      LD="${LD-ld} -32"      ;;    *N32*)      LD="${LD-ld} -n32"      ;;    *64-bit*)      LD="${LD-ld} -64"      ;;    esac  fi  rm -rf conftest*  ;;*-*-sco3.2v5*)  # On SCO OpenServer 5, we need -belf to get full-featured binaries.  SAVE_CFLAGS="$CFLAGS"  CFLAGS="$CFLAGS -belf"  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,    [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])  if test x"$lt_cv_cc_needs_belf" != x"yes"; then    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf    CFLAGS="$SAVE_CFLAGS"  fi  ;;ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],[*-*-cygwin* | *-*-mingw*)  AC_CHECK_TOOL(DLLTOOL, dlltool, false)  AC_CHECK_TOOL(AS, as, false)  AC_CHECK_TOOL(OBJDUMP, objdump, false)  ;;])esac])# AC_LIBTOOL_DLOPEN - enable checks for dlopen supportAC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll'sAC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])# AC_ENABLE_SHARED - implement the --enable-shared flag# Usage: AC_ENABLE_SHARED[(DEFAULT)]#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to#   `yes'.AC_DEFUN(AC_ENABLE_SHARED, [dnldefine([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnlAC_ARG_ENABLE(shared,changequote(<<, >>)dnl<<  --enable-shared[=PKGS]  build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],changequote([, ])dnl[p=${PACKAGE-default}case "$enableval" inyes) enable_shared=yes ;;no) enable_shared=no ;;*)  enable_shared=no  # Look at the argument we got.  We use all the common list separators.  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"  for pkg in $enableval; do    if test "X$pkg" = "X$p"; then      enable_shared=yes    fi  done  IFS="$ac_save_ifs"  ;;esac],enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl])# AC_DISABLE_SHARED - set the default shared flag to --disable-sharedAC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnlAC_ENABLE_SHARED(no)])# AC_ENABLE_STATIC - implement the --enable-static flag# Usage: AC_ENABLE_STATIC[(DEFAULT)]#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to#   `yes'.AC_DEFUN(AC_ENABLE_STATIC, [dnldefine([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnlAC_ARG_ENABLE(static,changequote(<<, >>)dnl<<  --enable-static[=PKGS]  build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],changequote([, ])dnl[p=${PACKAGE-default}case "$enableval" inyes) enable_static=yes ;;no) enable_static=no ;;*)  enable_static=no  # Look at the argument we got.  We use all the common list separators.  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"  for pkg in $enableval; do    if test "X$pkg" = "X$p"; then      enable_static=yes    fi  done  IFS="$ac_save_ifs"  ;;esac],enable_static=AC_ENABLE_STATIC_DEFAULT)dnl])