Index: configure.ac
===================================================================
--- configure.ac (revision 5032)
+++ configure.ac (revision 5033)
@@ -1,9 +1,13 @@
dnl Process this file with autoconf to produce a configure script.
-dnl Written in 2000 by Christian Bauer <Christian.Bauer@uni-mainz.de>
+dnl Written by Christian Bauer and the Aleph One developers.
-AC_INIT([Aleph One/SDL], m4_esyscmd([ grep '^#define A1_DATE_VERSION' Source_Files/Misc/alephversion.h | sed -e 's/\(.*\"\)\(.*\)\(\"\)/\2/g' | tr -d '\n']), [http://sourceforge.net/bugs/?group_id=1997], [AlephOne])
+AC_INIT([Aleph One],
+ m4_esyscmd([ grep '^#define A1_DATE_VERSION' Source_Files/Misc/alephversion.h | sed -e 's/\(.*\"\)\(.*\)\(\"\)/\2/g' | tr -d '\n']),
+ [http://sourceforge.net/p/marathon/bugs/],
+ [AlephOne],
+ [http://marathon.sourceforge.net/])
AC_CONFIG_SRCDIR([Source_Files/shell.cpp])
-AC_PREREQ(2.52)
+AC_PREREQ([2.65])
dnl Detect the canonical host and target build environment.
AC_CANONICAL_HOST
@@ -11,288 +15,212 @@
dnl Init automake.
AM_INIT_AUTOMAKE
-AM_CONFIG_HEADER(config.h)
+AM_CONFIG_HEADER([config.h])
dnl Configure options.
-AC_ARG_ENABLE(opengl,
-[ --enable-opengl use OpenGL for rendering [default=yes]], , enable_opengl=yes)
-AC_ARG_ENABLE(mad,
-[ --enable-mad use libmad for mp3 playback [default=yes]], , enable_mad=yes)
-AC_ARG_ENABLE(ffmpeg,
-[ --enable-ffmpeg use ffmpeg for audio/video playback and film export [default=yes]], , enable_ffmpeg=yes)
-AC_ARG_ENABLE(sndfile,
-[ --enable-sndfile use libsndfile for decoding audio files [default=yes]], , enable_sndfile=yes)
-AC_ARG_ENABLE(vorbis,
-[ --enable-vorbis enable ogg/vorbis music playback [default=yes]], , enable_vorbis=yes)
-AC_ARG_ENABLE(lua,
-[ --enable-lua use built-in Lua scripting [default=yes]], , enable_lua=yes)
-AC_ARG_ENABLE(smpeg,
-[ --enable-smpeg use SMPEG for movie playback [default=yes]], , enable_smpeg=yes)
-AC_ARG_ENABLE(speex,
-[ --enable-speex enable Speex net mic playback [default=yes]], , enable_speex=yes)
-AC_ARG_ENABLE(alsa,
-[ --enable-alsa enable ALSA net mic transmission [default=yes]], , enable_alsa=yes)
-AC_ARG_ENABLE(zzip,
-[ --enable-zzip enable zziplib support [default=yes]], , enable_zzip=yes)
-AC_ARG_ENABLE(png,
-[ --enable-png enable PNG screenshot support [default=yes]], , enable_png=yes)
-dnl Checks for programs.
+dnl AX_ARG_ENABLE(option, desc)
+AC_DEFUN([AX_ARG_ENABLE],
+ [ desc_$1="$2"
+ AC_ARG_ENABLE([$1], AS_HELP_STRING([--disable-$1], [do not include $2])) ])
+dnl AX_ARG_WITH(option)
+AC_DEFUN([AX_ARG_WITH],
+ [ desc_$1="$2"
+ AC_ARG_WITH([$1], AS_HELP_STRING([--without-$1], [do not use $2])) ])
+
+AX_ARG_ENABLE([opengl], [OpenGL rendering])
+AX_ARG_ENABLE([lua], [built-in Lua scripting])
+
+AX_ARG_WITH([sdl_image], [SDL_image support])
+AX_ARG_WITH([ffmpeg], [FFmpeg playback and film export])
+AX_ARG_WITH([mad], [libmad MP3 playback])
+AX_ARG_WITH([sndfile], [libsndfile audio decoding])
+AX_ARG_WITH([vorbis], [libvorbis Ogg/Vorbis music playback])
+AX_ARG_WITH([smpeg], [SMPEG movie playback])
+AX_ARG_WITH([speex], [Speex net mic playback])
+AX_ARG_WITH([alsa], [ALSA net mic transmission])
+AX_ARG_WITH([zzip], [zziplib support])
+AX_ARG_WITH([png], [libpng PNG screenshot support])
+
+
+dnl Check for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_CXXCPP
+AC_PROG_OBJCXX
AC_PROG_INSTALL
AC_PROG_RANLIB
-dnl some platform specific stuff
-case $target in
-*-*-mingw32*)
- AC_CHECK_TOOL(WINDRES, windres, :)
- ;;
-*-*-netbsd*)
- CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"
- ;;
-*)
- ;;
-esac
+dnl Some platform specific stuff.
+AS_CASE([$target],
+ [*-*-mingw32*],
+ [ make_windows=true
+ AC_CHECK_TOOL([WINDRES], [windres], [:])
+ AC_DEFINE([WIN32_DISABLE_MUSIC], [1], [Win32 music disabled])
+ LIBS="$LIBS -ldsound -lwsock32" ],
+ [*-*-netbsd*],
+ [CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"])
+AM_CONDITIONAL([MAKE_WINDOWS], [test "x$make_windows" = "xtrue"])
-dnl Checks for headers.
-AC_CHECK_HEADERS(unistd.h)
-AC_CHECK_HEADERS(pwd.h)
+dnl Set target system name.
+AC_DEFINE_UNQUOTED([TARGET_PLATFORM], ["$target_os $target_cpu"], [Target platform name])
-dnl Checks for library functions.
-AC_CHECK_FUNC(snprintf, [
- AC_DEFINE(HAVE_SNPRINTF, 1, [snprintf() is available])
-])
-AC_CHECK_FUNC(vsnprintf, [
- AC_DEFINE(HAVE_VSNPRINTF, 1, [vsnprintf() is available])
-])
+dnl Check for headers.
+AC_CHECK_HEADERS([unistd.h pwd.h])
-AC_CHECK_FUNC(mkstemp, [
- AC_DEFINE(LUA_USE_MKSTEMP, 1, [mkstemp() is available])
-])
-AC_CHECK_FUNC(sysconf, [
- AC_DEFINE(HAVE_SYSCONF, 1, [sysconf() is available])
-])
-AC_CHECK_FUNC(sysctlbyname, [
- AC_DEFINE(HAVE_SYSCTLBYNAME, 1, [sysctlbyname() is available])
-])
+dnl Check for boost functions.
+AC_LANG_PUSH(C++)
+AC_CHECK_HEADER([boost/bind.hpp],
+ ,
+ [AC_MSG_ERROR([You need boost/bind.hpp from the boost library to run Aleph One.])])
+AC_CHECK_HEADER([boost/function.hpp],
+ ,
+ [AC_MSG_ERROR([You need boost/function.hpp from the boost library to run Aleph One.])])
+AC_LANG_POP(C++)
-dnl Check for SDL.
-AM_PATH_SDL(1.2.0, , AC_MSG_ERROR([You need SDL 1.2 to run Aleph One.]))
-CPPFLAGS="$CPPFLAGS $SDL_CFLAGS -DSDL"
-LIBS="$LIBS $SDL_LIBS"
+dnl Check for library functions.
+AC_CHECK_FUNCS([snprintf vsnprintf sysconf sysctlbyname])
+AC_CHECK_FUNC([mkstemp],
+ [AC_DEFINE([LUA_USE_MKSTEMP], [1], [mkstemp() available])])
-dnl Check for SDL_image.
-AC_CHECK_HEADERS(SDL_image.h, [
- AC_CHECK_LIB(SDL_image, IMG_Load, [
- LIBS="-lSDL_image $LIBS"
- AC_DEFINE(HAVE_SDL_IMAGE, 1, [SDL_image support is enabled])
- ])
-])
+dnl Check for net functions.
+AC_SEARCH_LIBS([gethostbyname], [nsl])
+AC_SEARCH_LIBS([socket], [socket],
+ ,
+ [AC_CHECK_LIB([nsl], [socket],
+ [ LIBS="$LIBS -lsocket -lnsl" ],
+ ,
+ [-lsocket])])
-AC_CHECK_HEADERS(SDL_ttf.h, [
- AC_CHECK_LIB(SDL_ttf, TTF_Init, [
- LIBS="-lSDL_ttf $LIBS"
- AC_DEFINE(HAVE_SDL_TTF, 1, [SDL_TTF support is enabled])
- ])],
- AC_MSG_ERROR([You need SDL_ttf to run Aleph One.])
-)
+dnl Check for libraries.
-dnl Check for SDL_net.
-AC_CHECK_HEADERS(SDL_net.h, [
- AC_CHECK_LIB(SDL_net, SDLNet_Init, [
- LIBS="-lSDL_net $LIBS"
- AC_DEFINE(HAVE_SDL_NET, 1, [SDL_net support is enabled])
- ])
-])
-if [[ "x$ac_cv_lib_SDL_net_SDLNet_Init" != xyes ]]; then
- AC_MSG_ERROR([You need SDL_net to run Aleph One.])
-fi
-AM_CONDITIONAL(HAVE_SDL_NET, test x$ac_cv_lib_SDL_net_SDLNet_Init = xyes)
+dnl AX_REQUIRE_LIB(desc, define, header, lib, func)
+AC_DEFUN([AX_REQUIRE_LIB],
+ [ AC_CHECK_HEADERS([$3], [AC_CHECK_LIB([$4], [$5])])
+ AS_IF([test "x${ac_cv_lib_$4_$5}" = "xyes"],
+ [AC_DEFINE([HAVE_$2], [1], [$1 support enabled])],
+ [AC_MSG_ERROR([You need $1 to run Aleph One.])]) ])
-AC_SEARCH_LIBS(gethostbyname, nsl)
-AC_SEARCH_LIBS(socket, socket, ,
- [AC_CHECK_LIB(nsl, socket, LIBS="$LIBS -lsocket -lnsl", , -lsocket)])
+dnl Check for required SDL dependencies.
+AM_PATH_SDL(1.2.0, , AC_MSG_ERROR([You need SDL 1.2 to run Aleph One.]))
+CPPFLAGS="$CPPFLAGS $SDL_CFLAGS -DSDL"
+LIBS="$LIBS $SDL_LIBS"
+AX_REQUIRE_LIB([SDL_ttf], [SDL_TTF],
+ [SDL_ttf.h], [SDL_ttf], [TTF_Init])
+AX_REQUIRE_LIB([SDL_net], [SDL_NET],
+ [SDL_net.h], [SDL_net], [SDLNet_Init])
-dnl Check for zlib
-AC_CHECK_HEADER(zlib.h, , AC_ERROR([Aleph One requires zlib]))
-AC_CHECK_LIB(z, zlibVersion, LIBS="-lz $LIBS", AC_ERROR([Aleph One requires zlib]))
+dnl Check for zlib.
+AX_REQUIRE_LIB([zlib], [ZLIB],
+ [zlib.h], [z], [zlibVersion])
-dnl Check for zziplib
-have_zzip=false
-if [[ "x$enable_zzip" = "xyes" ]]; then
-PKG_CHECK_MODULES([ZZIP], [zziplib >= 0.10.75], [
- CPPFLAGS="$ZZIP_CFLAGS $CPPFLAGS"
- LIBS="$ZZIP_LIBS $LIBS"
- have_zzip=true
- AC_DEFINE(HAVE_ZZIP, 1, [ZZIP support enabled])
-])
-fi
-AM_CONDITIONAL(BUILD_ZZIP_RWOPS, test x$have_zzip = xtrue)
+dnl Check for OpenGL.
+AS_IF([test "x$enable_opengl" != "xno"],
+ [ AC_MSG_CHECKING([for OpenGL support])
+ compiled_opengl=no
+ AS_CASE([$target],
+ [*-*-cygwin* | *-*-mingw32*],
+ [ SYS_GL_LIBS="-lGLEW -lopengl32 -lglu32"
+ LIBS="$LIBS -lstdc++" ],
+ [*-*-darwin*],
+ [ SYS_GL_LIBS="-F/System/Library/Frameworks -framework AGL -framework OpenGL"
+ CPPFLAGS="$CPPFLAGS -D__DARWIN__ -F/System/Library/Frameworks -I/System/Library/Frameworks/OpenGL.framework/Headers" ],
+ [*-*-linux*],
+ [ SYS_GL_LIBS="-lGL -lpthread" ],
+ [ SYS_GL_LIBS="-lGL" ])
+ AC_TRY_COMPILE([
+ #ifndef __DARWIN__
+ #include <GL/gl.h>
+ #else
+ #include <OpenGL/gl.h>
+ #endif
+ ],
+ ,
+ [ compiled_opengl=yes ])
+ AC_MSG_RESULT($compiled_opengl)
+ AS_IF([test "x$compiled_opengl" = "xyes"],
+ [ have_opengl=true
+ AC_DEFINE([HAVE_OPENGL], [1], [OpenGL support enabled])
+ AC_CHECK_LIB([GLU], [gluScaleImage],
+ [SYS_GL_LIBS="$SYS_GL_LIBS -lGLU"],
+ ,
+ [$SYS_GL_LIBS])
+ LIBS="$LIBS $SYS_GL_LIBS"
+ AC_CHECK_HEADERS([GL/glext.h], [], [], [#include <GL/gl.h>]) ],
+ [ AS_IF([test "x$enable_opengl" = "xyes"],
+ [AC_MSG_ERROR([OpenGL support requested but not available])],
+ [AC_MSG_WARN([OpenGL not available])]) ]) ])
+AM_CONDITIONAL([MAKE_OPENGL], [test "x$have_opengl" = "xtrue" ])
-have_png=false
-if [[ "x$enable_png" = "xyes" ]]; then
-PKG_CHECK_MODULES([PNG], [libpng], [
- CPPFLAGS="$PNG_CFLAGS $CPPFLAGS"
- LIBS="$PNG_LIBS $LIBS"
- have_png=true
- AC_DEFINE(HAVE_PNG, 1, [PNG support enabled])]
-)
-fi
-AM_CONDITIONAL(HAVE_PNG, test x$have_png = xtrue)
+dnl Enable Lua.
+AS_IF([test "x$enable_lua" != "xno"],
+ [ have_lua=true
+ AC_DEFINE([HAVE_LUA], [1], [Lua support enabled]) ])
-dnl Check for boost/bind
-AC_LANG_PUSH(C++)
-AC_CHECK_HEADER([boost/bind.hpp], , [AC_MSG_ERROR([You need boost/bind.hpp from the boost library to run Aleph One])])
-AC_LANG_POP(C++)
-dnl Check for boost/function
-AC_LANG_PUSH(C++)
-AC_CHECK_HEADER([boost/function.hpp], , [AC_MSG_ERROR([You need boost/function.hpp from the boost library to run Aleph One])])
-AC_LANG_POP(C++)
+dnl Check optional packages.
-if [[ "x$enable_smpeg" = "xyes" ]]; then
-dnl Check for SMPEG
-AC_CHECK_HEADERS([smpeg/smpeg.h], [
- AC_CHECK_LIB(smpeg, SMPEG_new, [
- LIBS="-lsmpeg $LIBS"
- AC_DEFINE(HAVE_SMPEG, 1, [SMPEG movie playback is enabled])
- ])
-])
-fi
+dnl AX_CHECK_FEATURE_LIB(option, define, header, lib, func)
+AC_DEFUN([AX_CHECK_FEATURE_LIB],
+ [ AS_IF([test "x${with_$1}" != "xno"],
+ [ AC_CHECK_HEADERS([$3], [AC_CHECK_LIB([$4], [$5])])
+ AS_IF([test "x${ac_cv_lib_$4_$5}" = "xyes"],
+ [ have_$1=true
+ AC_DEFINE([HAVE_$2], [1], [${desc_$1} enabled]) ],
+ [AS_IF([test "x${with_$1}" = "xyes"],
+ [AC_MSG_ERROR([${desc_$1} requested but not found])])])
+ ]) ])
+dnl AX_CHECK_FEATURE_PKG(option, define, package, lib)
+AC_DEFUN([AX_CHECK_FEATURE_PKG],
+ [ AS_IF([test "x${with_$1}" != "xno"],
+ [ PKG_CHECK_MODULES([$3], [$4],
+ [ CPPFLAGS="${[$3]_CFLAGS} $CPPFLAGS"
+ LIBS="${[$3]_LIBS} $LIBS"
+ have_$1=true
+ AC_DEFINE([HAVE_$2], [1], [${desc_$1} enabled]) ],
+ [AS_IF([test "x${with_$1}" = "xyes"],
+ [AC_MSG_ERROR([${desc_$1} requested but not available])])])
+
+ ])
+ AM_CONDITIONAL([HAVE_$2], [test "x${have_$1}" = "xtrue"])
+ ])
-if [[ "x$enable_mad" = "xyes" ]]; then
-dnl Check for libmad
-AC_CHECK_HEADERS([mad.h], [
- AC_CHECK_LIB(mad, mad_stream_init, [
- LIBS="-lmad $LIBS"
- AC_DEFINE(HAVE_MAD, 1, [MAD mp3 playback is enabled])
-])
-])
-fi
+AX_CHECK_FEATURE_LIB([sdl_image], [SDL_IMAGE],
+ [SDL_image.h], [SDL_image], [IMG_Load])
-if [[ "x$enable_sndfile" = "xyes" ]]; then
-dnl Check for libsndfile
-AC_CHECK_HEADERS([sndfile.h], [
- AC_CHECK_LIB(sndfile, sf_open, [
- LIBS="-lsndfile $LIBS"
- AC_DEFINE(HAVE_SNDFILE, 1, [libsndfile support is enabled])
-])
-])
-fi
+AX_CHECK_FEATURE_PKG([ffmpeg], [FFMPEG],
+ [FFMPEG], [libavcodec >= 53.61.100 libavformat >= 53.32.100 libavutil >= 51.35.100 libswscale >= 2.1.1])
-if [[ "x$enable_vorbis" = "xyes" ]]; then
-dnl Check for vorbisfile
-PKG_CHECK_MODULES([VORBISFILE], [vorbisfile], [
- CPPFLAGS="$VORBISFILE_CFLAGS $CPPFLAGS"
- LIBS="$VORBISFILE_LIBS $LIBS"
- AC_DEFINE(HAVE_VORBISFILE, 1, [vorbis support enabled])
-])
-fi
+AX_CHECK_FEATURE_LIB([mad], [MAD],
+ [mad.h], [mad], [mad_stream_init])
-if [[ "x$enable_ffmpeg" = "xyes" ]]; then
-dnl Check for libavcodec
-PKG_CHECK_MODULES([FFMPEG], [libavcodec >= 53.61.100 libavformat >= 53.32.100 libavutil >= 51.35.100 libswscale >= 2.1.100], [
- CPPFLAGS="$FFMPEG_CFLAGS $CPPFLAGS"
- LIBS="$FFMPEG_LIBS $LIBS"
- AC_DEFINE(HAVE_FFMPEG, 1, [ffmpeg support enabled])
- have_ffmpeg=true
-])
-fi
-AM_CONDITIONAL(HAVE_FFMPEG, test x$have_ffmpeg = xtrue)
+AX_CHECK_FEATURE_LIB([sndfile], [SNDFILE],
+ [sndfile.h], [sndfile], [sf_open])
-if [[ "x$enable_lua" = "xyes" ]]; then
-AC_DEFINE(HAVE_LUA, 1, [Lua support is enabled])
-fi
+AX_CHECK_FEATURE_PKG([vorbis], [VORBISFILE],
+ [VORBISFILE], [vorbisfile])
-if [[ "x$enable_speex" = "xyes" ]]; then
-dnl Check for Speex
-AC_CHECK_HEADERS(speex/speex.h, [
- AC_CHECK_LIB(speex, speex_decoder_init, [
- LIBS="-lspeex $LIBS"
- AC_DEFINE(SPEEX, 1, [Speex support is enabled])
- ])
- AC_CHECK_LIB(speexdsp, speex_preprocess_state_init, [
- LIBS="-lspeexdsp $LIBS"
-])
-])
-fi
+AX_CHECK_FEATURE_LIB([smpeg], [SMPEG],
+ [smpeg/smpeg.h], [smpeg], [SMPEG_new])
-if [[ "x$enable_alsa" = "xyes" ]]; then
-dnl Check for ALSA
-AC_CHECK_HEADERS([alsa/asoundlib.h], [
- AC_CHECK_LIB(asound, snd_pcm_open, [
- LIBS="-lasound $LIBS"
- AC_DEFINE(HAVE_ALSA, 1, [ALSA netmic is enabled])
- ])
-])
-fi
+AX_CHECK_FEATURE_LIB([speex], [SPEEX],
+ [speex/speex.h], [speex], [speex_decoder_init])
+AS_IF([test "x$have_speex" = "xyes"],
+ [AC_CHECK_LIB([speexdsp], [speex_preprocess_state_init])])
-dnl Figure out which OpenGL library to use
-case "$target" in
- *-*-cygwin* | *-*-mingw32*)
- SYS_GL_LIBS="-lGLEW -lopengl32 -lglu32"
- LIBS="$LIBS -lstdc++"
- ;;
- *-*-darwin*)
- SYS_GL_LIBS="-F/System/Library/Frameworks -framework AGL -framework OpenGL"
- CPPFLAGS="$CPPFLAGS -D__DARWIN__ -F/System/Library/Frameworks -I/System/Library/Frameworks/OpenGL.framework/Headers"
- ;;
- *-*-linux*)
- SYS_GL_LIBS="-lGL -lpthread"
- ;;
- *)
- SYS_GL_LIBS="-lGL"
- ;;
-esac
+AX_CHECK_FEATURE_LIB([alsa], [ALSA],
+ [alsa/asoundlib.h], [asound], [snd_pcm_open])
-dnl Check for OpenGL.
-if [[ "x$enable_opengl" = "xyes" ]]; then
- AC_MSG_CHECKING(for OpenGL support)
- have_opengl=no
- AC_TRY_COMPILE([
- #ifndef __DARWIN__
- #include <GL/gl.h>
- #else
- #include <OpenGL/gl.h>
- #endif
- ],[
- ],[
- have_opengl=yes
- ])
- AC_MSG_RESULT($have_opengl)
- if test x$have_opengl = xyes; then
- AC_DEFINE(HAVE_OPENGL, 1, [OpenGL support is enabled])
- AC_CHECK_LIB(GLU, gluScaleImage, [SYS_GL_LIBS="$SYS_GL_LIBS -lGLU"], , $SYS_GL_LIBS)
- LIBS="$LIBS $SYS_GL_LIBS"
- AC_CHECK_HEADERS(GL/glext.h, [], [], [#include <GL/gl.h>])
- make_opengl=true
- else
- AC_MSG_WARN([Could not find OpenGL, ignoring --enable-opengl.])
- make_opengl=false
- fi
-fi
-AM_CONDITIONAL(MAKE_OPENGL, test x$make_opengl = xtrue)
+AX_CHECK_FEATURE_PKG([zzip], [ZZIP],
+ [ZZIP], [zziplib >= 0.10.75])
+AM_CONDITIONAL([BUILD_ZZIP_RWOPS], [test "x$have_zzip" = "xtrue"])
-dnl Set target system name.
-AC_DEFINE_UNQUOTED(TARGET_PLATFORM, "$target_os $target_cpu", [Target platform name])
+AX_CHECK_FEATURE_PKG([png], [PNG],
+ [PNG], [libpng])
-dnl add some windows goodies
-case $target in
-*-*-mingw32*)
- make_windows=true
- AC_DEFINE(WIN32_DISABLE_MUSIC, 1, [Win32 music is disabled])
- LIBS="$LIBS -ldsound -lwsock32"
- ;;
-*)
- make_windows=false ;;
-esac
-AM_CONDITIONAL(MAKE_WINDOWS, test x$make_windows = xtrue)
-
dnl Generate Makefiles.
AC_CONFIG_FILES([
Makefile
@@ -321,5 +249,32 @@
])
AC_OUTPUT
-dnl Print summary.
-echo "Configuration done. Now type \"make\"."
+dnl Print summary of enabled/disabled options.
+
+dnl AX_PRINT_SUMMARY(option)
+AC_DEFUN([AX_PRINT_SUMMARY],
+ [ AS_IF([test "x${have_$1}" = "xtrue"],
+ [AS_ECHO([" Enabled: ${desc_$1}"])],
+ [test "x${enable_$1}" = "xno" ||
+ test "x${with_$1}" = "xno"],
+ [AS_ECHO([" Disabled: ${desc_$1}"])],
+ [AS_ECHO([" Not found: ${desc_$1}"])])
+ ])
+
+AS_ECHO([""])
+AS_ECHO(["Summary of optional features:"])
+AS_ECHO([""])
+AX_PRINT_SUMMARY([opengl])
+AX_PRINT_SUMMARY([lua])
+AX_PRINT_SUMMARY([sdl_image])
+AX_PRINT_SUMMARY([ffmpeg])
+AX_PRINT_SUMMARY([mad])
+AX_PRINT_SUMMARY([sndfile])
+AX_PRINT_SUMMARY([vorbis])
+AX_PRINT_SUMMARY([smpeg])
+AX_PRINT_SUMMARY([speex])
+AX_PRINT_SUMMARY([alsa])
+AX_PRINT_SUMMARY([zzip])
+AX_PRINT_SUMMARY([png])
+AS_ECHO([""])
+AS_ECHO(["Configuration done. Now type \"make\"."])
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