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configure.ac @ 7187

Last change on this file since 7187 was 7187, checked in by bensch, 18 years ago
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1
2	##########################################################################
3	# orxonox - the future of 3D-vertical-scrollers #
4	# #
5	# Copyright (C) 2004 orx #
6	# #
7	# This program is free software; you can redistribute it and/or modify #
8	# it under the terms of the GNU General Public License as published by #
9	# the Free Software Foundation; either version 2, or (at your option) #
10	# any later version. #
11	# #
12	# ### File Specific: #
13	# main-programmer: Benjamin Grauer #
14	# co-programmer: ... #
15	# #
16	# This is the main configuration File of autoconf. #
17	# Please edit this file only, if you exactly know what you are doing. #
18	# It is quite fragile, and compiling orxonox on different Platforms #
19	# is only guarantied, if build with the right config. #
20	# #
21	# be sure to visit us at http://www.orxonox.net #
22	##########################################################################
23
24	#########################
25	## AUTOCONF INIT PHASE ##
26	#########################
27	AC_PREREQ(2.59)
28	AC_INIT([orxonox], [0.3.3_alpha], [orxonox-dev at mail.datacore.ch])
29
30	## Detect the canonical host and target build environment.
31	AC_CANONICAL_BUILD
32	AC_CANONICAL_HOST
33	AC_CANONICAL_TARGET
34
35	AM_INIT_AUTOMAKE
36
37	AC_CONFIG_SRCDIR([./src])
38	AC_CONFIG_HEADER([config.h])
39
40	#########################
41	## Checks for programs ##
42	#########################
43	AC_PROG_CXX
44	AC_LIBTOOL_DLOPEN
45	AC_PROG_LIBTOOL
46	AC_HEADER_STDC
47
48	## THIS IS OUR DEFAULT-DATA-DIRECTORY
49
50	##################################
51	## CHECKING OPTIONAL ARGUMENTS ##
52	##################################
53	#----------------#
54	# Data-Directory #
55	#----------------#
56	DATA_DIR=$datadir
57	echo \$\{prefix\}
58	if test $DATA_DIR = \$\{prefix\}/share ; then
59	echo "not given"
60	DATA_DIR=/usr/share
61	else
62	echo "given: $DATA_DIR"
63	fi
64	AC_DEFINE_UNQUOTED([DATADIR], ["$DATA_DIR"],
65	[Define to the read-only architecture-independent
66	data directory.])
67
68	#-----------------#
69	# shared-lib-path #
70	#-----------------#
71	SHARED_LIB_PATH=no
72	AC_MSG_CHECKING([shared lib path])
73	AC_ARG_WITH([shared-lib-path],
74	AS_HELP_STRING(--with-shared-lib-path,Tells the executable, where to look for the shared libraries.),
75	SHARED_LIB_PATH=$withval)
76	if test x$SHARED_LIB_PATH != xno; then
77	echo "set to $SHARED_LIB_PATH"
78	else
79	echo "no"
80	fi
81
82
83	#-----------------#
84	# DEBUG-statement #
85	#-----------------#
86	DEBUG=no
87	AC_MSG_CHECKING([if DEBUG-mode should be enabled])
88	AC_ARG_ENABLE([debug],
89	AS_HELP_STRING(--enable-debug,compiles in debug mode. Lots of debug info about the game.),
90	DEBUG=$enableval)
91
92	if test x$DEBUG = xno; then
93	echo "no"
94	echo " -> Setting debuglevel to 4. (orxonox is still in Development. It really is needed."
95	DEBUG=4
96	elif test x$DEBUG = xyes; then
97	echo "yes"
98	echo " -> Setting debuglevel to 4. HARD DEBUG MODE!!."
99	DEBUG=4
100	else
101	if test x$DEBUG = x0 \|\| test x$DEBUG = x1 \|\| test x$DEBUG = x2 \|\| test x$DEBUG = x3 \|\| test x$DEBUG = x4 \|\| test x$DEBUG = x5 ; then
102	echo "yes: setting debuglevel to to $DEBUG"
103	else
104	echo "yes: invalid Value for Debug ($DEBUG). setting to 4(DEBUG)"
105	DEBUG=4
106	fi
107	fi
108	AC_DEFINE_UNQUOTED(DEBUG, $DEBUG, [in which debug mode we are])
109	AC_SUBST(DEBUG)
110
111	#---------------#
112	# Modular Debug #
113	#---------------#
114	MODULAR_DEBUG=yes
115	AC_MSG_CHECKING([if Modular-DEBUG-mode should be ebabled])
116	AC_ARG_ENABLE([modular-debug],
117	AS_HELP_STRING(--disable-modular-debug,compiles in modular-debug mode, that logs differently on the many modules of orxonox.),
118	MODULAR_DEBUG=$enableval)
119
120	if test x$MODULAR_DEBUG = xno; then
121	echo "no"
122	elif test x$MODULAR_DEBUG = xyes; then
123	echo "yes"
124	AC_DEFINE_UNQUOTED(MODULAR_DEBUG, 1, [if Modular-DUBUG mode is enabled])
125	fi
126
127	#--------------#
128	# GTK-disabled #
129	#--------------#
130	AC_MSG_CHECKING([if gtk should be enabled])
131	AC_ARG_ENABLE([gtk],
132	AS_HELP_STRING(--disable-gtk,Prevents GTK from being loaded), [def_gtk=no], [def_gtk=yes])
133	if test x$def_gtk = xyes; then
134	echo "yes"
135	fi
136	if test x$def_gtk = xno; then
137	echo "no"
138	fi
139
140	#------------------#
141	# libCurl-disabled #
142	#------------------#
143	AC_MSG_CHECKING([if libcURL should be enabled])
144	AC_ARG_ENABLE([curl],
145	AS_HELP_STRING(--disable-curl,Prevents libcURL from being loaded), [def_curl=no], [def_curl=yes])
146	if test x$def_curl = xyes; then
147	echo "yes"
148	fi
149	if test x$def_curl = xno; then
150	echo "no"
151	fi
152
153	#-------------------#
154	# SubProject-enable #
155	#-------------------#
156	def_sub_projects=no
157	AC_MSG_CHECKING([if the SubProjects should be built])
158	AC_ARG_WITH([sub-projects],
159	AS_HELP_STRING(--with-sub-projects,also builds the subProjects while make from srcdir), [def_sub_projects=yes])
160	if test x$def_sub_projects = xyes; then
161	echo "yes"
162	fi
163	if test x$def_sub_projects = xno; then
164	echo "no"
165	fi
166	AM_CONDITIONAL(SUB_PROJECTS, test x$def_sub_projects = xyes)
167
168	#-------------------#
169	# Profiling Enabled #
170	#-------------------#
171	def_profiling=no
172	AC_MSG_CHECKING([if Profiling should be enabled])
173	AC_ARG_ENABLE([profile],
174	AS_HELP_STRING(--enable-profile,builds orxonox with profiling support), [def_profiling=yes])
175	if test x$def_profiling = xyes; then
176	echo "yes"
177	CXXFLAGS="$CXXFLAGS -pg"
178	fi
179	if test x$def_profiling = xno; then
180	echo "no"
181	fi
182
183	#----------------#
184	# efence Enabled #
185	#----------------#
186	def_efence=no
187	AC_MSG_CHECKING([if efence should be enabled])
188	AC_ARG_ENABLE([efence],
189	AS_HELP_STRING(--enable-efence,builds orxonox with efence support), [def_efence=yes])
190	if test x$def_efence = xyes; then
191	echo "yes"
192	fi
193	if test x$def_efence = xno; then
194	echo "no"
195	fi
196
197	#----------------------#
198	# Documentation-enable #
199	#----------------------#
200	def_documentation=no
201	AC_MSG_CHECKING([if the Documentation should be build by default])
202	AC_ARG_ENABLE([documentation],
203	AS_HELP_STRING(--enable-documentation,also builds the sDocumentation while make from srcdir), [def_documentation=yes])
204	if test x$def_documentation = xyes; then
205	echo "yes"
206	fi
207	if test x$def_documentation = xno; then
208	echo "no"
209	fi
210	AM_CONDITIONAL(DOCUMENTATION, test x$def_documentation = xyes)
211
212
213
214	#---------------------------#
215	# WITH TARDIS (convenience) #
216	#---------------------------#
217	def_tardis=no
218	GTKPATH=""
219	AC_MSG_CHECKING([convenience flag for working at the taris in the ETH zurich])
220	AC_ARG_WITH([tardis],
221	AS_HELP_STRING(--with-tardis,sets all the necesary environment flags for linux-TARDIS boxes at the ETH Zurich), [def_tardis=yes])
222	if test x$def_tardis = xyes; then
223	ARCH=i686-debian-linux3.1
224	## GAMELIBS
225	PREFIX=/usr/pack/gamelibs-1.0-to
226	CPPFLAGS="${CPPFLAGS} -I${PREFIX}/include"
227	LDFLAGS="${LDFLAGS} -L$PREFIX/${ARCH}/lib -Wl,-rpath -Wl,${PREFIX}/${ARCH}/lib"
228	## GTK
229	GTKPREFIX=/usr/pack/gtk-2.8.3-mo
230	GTKPATH=${GTKPREFIX}/${ARCH}/bin
231	CPPFLAGS="${CPPFLAGS} -I${GTKPREFIX}/include"
232	LDFLAGS="${LDFLAGS} -L${GTKPREFIX}/${ARCH}/lib -Wl,-rpath -Wl,${GTKPREFIX}/${ARCH}/lib"
233	echo "yes"
234	fi
235	if test x$def_tardis = xno; then
236	echo "no"
237	fi
238
239	#######################
240	## PROGRAMM CHECKING ##
241	## 3. party Programs ##
242	#######################
243
244	#----------------------#
245	# checking for Doxygen #
246	#----------------------#
247	AC_PATH_PROG(DOXYGEN, doxygen)
248	AM_CONDITIONAL(DOXYGEN, test $DOXYGEN)
249
250	#--------------------#
251	# checking for gprof #
252	#--------------------#
253	AC_PATH_PROG(GPROF, gprof)
254
255	#-------------------------#
256	# checking for pkg-config #
257	#-------------------------#
258	if test x$def_gtk = xyes; then
259	if test x${GTKPATH} != x; then
260	AC_PATH_PROG([PKG_CONFIG], [pkg-config],[], $GTKPATH )
261	else
262	AC_PATH_PROG(PKG_CONFIG, pkg-config )
263	fi
264	fi
265
266
267	#########################
268	## CHECKING FOR SYSTEM ##
269	#########################
270	## here the system is checked, and openGL is included
271	## also checking for SDL on differen Systems
272
273	CPPFLAGS="$CPPFLAGS -g"
274
275
276	AC_MSG_CHECKING([for System])
277	## checking for openGL-environment and other sys-specific parameters
278	case "$target" in
279
280	###########
281	#---------#
282	# WINDOWS #
283	#---------#
284	###########
285	--mingw32*)
286	echo "mingw-WINDOWS detected"
287
288	CPPFLAGS="-I/usr/include -I/mingw/include $CPPFLAGS"
289
290	mingw="yes"
291	MSBITFIELDS="-mms-bitfields"
292	MWINDOWS="-mwindows"
293
294	#--------#
295	# MIN-GW #
296	#--------#
297	# checking for mingw32
298	AC_CHECK_LIB([mingw32], [main], FOUND_mingw32=yes)
299	if test x$FOUND_mingw32 = xyes; then
300	LIBS="$LIBS -lmingw32"
301	fi
302
303	#---------------#
304	# open-GL (win) #
305	#---------------#
306	# checking gl header
307	AC_CHECK_HEADERS(GL/gl.h ,,
308	[AC_MSG_ERROR([cannot find opengl headers])])
309	# checking for Windows openGl library
310	AC_CHECK_LIB([opengl32], [main], [FOUND_GL=yes; LIBS="$LIBS -lopengl32"])
311	if test x$FOUND_GL != xyes ; then
312	echo "------------------"
313	echo "opengl not found."
314	echo "please install the opengl package which can be found at http://www.opengl.org"
315	echo "------------------"
316	exit -1
317	fi
318
319	# cheking for GLU-header
320	AC_CHECK_HEADERS([GL/glu.h] ,,
321	[AC_MSG_ERROR([cannot find opengl headers]) ])
322
323	# checking for libGLU
324	AC_CHECK_LIB([glu32], [main], [FOUND_GLU=yes; LIBS="$LIBS -lGLU32"])
325	if test x$FOUND_GLU != xyes ; then
326	echo "------------------"
327	echo "GLU library not found."
328	echo "please install the GLU library, that should come with openGL, which can be found at http://www.opengl.org"
329	echo "------------------"
330	exit -1
331	fi
332
333	# checking glew header
334	AC_CHECK_HEADERS(GL/glew.h ,,
335	[AC_MSG_ERROR([cannot find opengl extension wrangler headers]) ])
336	# checking for Windows glew library
337	AC_CHECK_LIB([glew32], [main], [FOUND_GLEW=yes; LIBS="$LIBS -lglew32"])
338	if test x$FOUND_GLEW != xyes ; then
339	echo "------------------"
340	echo "opengl extension wrangler not found."
341	echo "please install the glew package which can be found at http://glew.sourceforge.net"
342	echo "------------------"
343	exit -1
344	fi
345
346	#--------#
347	# openAL #
348	#--------#
349	AX_CHECK_REQUIRED_HEADER_LIB([AL/al.h], [OpenAL32], [main],,, [http://www.openal.org])
350
351	#-----------#
352	# SDL(win) #
353	#-----------#
354	# checking for SDL-headers
355	AC_CHECK_HEADERS([SDL/SDL.h] ,,
356	[AC_MSG_ERROR([cannot find SDL headers]) ])
357
358	#checking for libSDL
359	AC_CHECK_LIB([sdlmain], [main], [FOUND_sdlmain=yes; LIBS="$LIBS -lsdlmain"])
360	if test x$FOUND_sdlmain != xyes ; then
361	echo "------------------"
362	echo "SDL library not found."
363	echo "please install the SDL library, which can be found at http://www.libsdl.org"
364	echo "------------------"
365	exit 1
366	fi
367	AC_CHECK_LIB([sdl], [main], [FOUND_SDL=yes; LIBS="$LIBS -lsdl"])
368	if test x$FOUND_SDL != xyes ; then
369	echo "------------------"
370	echo "SDL library not found."
371	echo "please install the SDL library, which can be found at http://www.libsdl.org"
372	echo "------------------"
373	exit -1
374	fi
375
376	;;
377
378	#########
379	#-------#
380	# LINUX #
381	#-------#
382	#########
383	--linux*)
384	echo "Linux detected"
385
386	Linux="yes"
387
388	##CPPFLAGS="-I/usr/include $CPPFLAGS"
389	##LDFLAGS="-L/usr/lib $LDFLAGS"
390	if test x$SHARED_LIB_PATH != xno; then
391	echo "setting new LDFLAGS with $SHARED_LIB_PATH"
392	LDFLAGS="-Wl,-rpath,$SHARED_LIB_PATH -L$SHARED_LIB_PATH $LDFLAGS"
393	fi
394
395	#--------#
396	# openGL #
397	#--------#
398	AX_CHECK_REQUIRED_HEADER_LIB([GL/gl.h], [GL], [main],,, [http://www.opengl.org])
399	AX_CHECK_REQUIRED_HEADER_LIB([GL/glu.h], [GLU], [main],,, [http://www.opengl.org])
400	AX_CHECK_REQUIRED_HEADER_LIB([GL/glew.h], [GLEW], [main],,, [http://glew.sourceforge.net])
401
402	#--------#
403	# openAL #
404	#--------#
405	AX_CHECK_REQUIRED_HEADER_LIB([AL/al.h], [openal], [main],,, [http://www.openal.org])
406
407	#-----#
408	# SDL #
409	#-----#
410	# checking for SDL
411	AC_MSG_CHECKING([for SDL-version])
412	SDL_VERSION=`sdl-config --version`
413	echo $SDL_VERSION
414	CPPFLAGS="$CPPFLAGS `sdl-config --cflags`"
415
416	AX_CHECK_REQUIRED_HEADER_LIB([SDL.h SDL/SDL.h], [SDL], [main],,, [http://www.libsdl.org])
417
418	;;
419
420	#############
421	#-----------#
422	# MAC -OS X #
423	#-----------#
424	#############
425	darwin)
426	echo "OS X detected"
427
428	osX="yes"
429
430	CPPFLAGS="-I/sw/include -I/sw/include $CPPFLAGS"
431	LDFLAGS="$LDFLAGS -L/sw/lib"
432	# checking gl header
433	AC_CHECK_HEADERS([OpenGL/gl.h] ,,
434	[AC_MSG_ERROR([cannot find opengl headers]) ])
435	# cheking for GLU-header
436	AC_CHECK_HEADERS([OpenGL/glu.h] ,,
437	[AC_MSG_ERROR([cannot find opengl headers]) ])
438
439	LIBS="$LIBS -framework OpenGL"
440
441
442
443	# checking for GLEW-headers
444	AC_CHECK_HEADERS([GL/glew.h] ,,
445	[AC_MSG_ERROR([cannot find glew headers]) ])
446	# checking for GLEW-lib
447	AC_CHECK_LIB([GLEW], [main], [FOUND_GLEW=yes; LIBS="$LIBS -lGLEW"])
448	if test x$FOUND_GLEW != xyes ; then
449	echo "------------------"
450	echo "glew not found."
451	echo "please install the glew package which can be found at http://glew.sourceforge.net"
452	echo "------------------"
453	exit -1
454	fi
455
456
457	AC_CHECK_HEADERS([OpenAL/al.h] ,,
458	[AC_MSG_ERROR([cannot find opengl headers]) ])
459	HAVE_OPENAL=yes
460	LIBS="$LIBS -framework OpenAL"
461
462
463	## SDL-check
464	SDL_CFLAGS=`sdl-config --cflags`
465	SDL_LIBS=`sdl-config --libs`
466	CXXFL\AGS="$CXXFLAGS $SDL_CFLAGS"
467	LIBS="$LIBS $SDL_LIBS"
468	AC_CHECK_HEADERS([SDL/SDL.h] ,,
469	[AC_MSG_ERROR([cannot find SDL headers]) ])
470	HAVE_SDL=yes
471	# LIBS="$LIBS -framework SDL"
472
473	# checking for SDL-headers
474	# AC_CHECK_HEADERS(SDL/SDL.h ,,
475	# [AC_MSG_ERROR([cannot find SDL headers]) ])
476
477	## checking for SDL
478	# SDL_VERSION=1.2.7
479	# AM_PATH_SDL($SDL_VERSION,
480	# :,
481	# AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])
482	# )
483
484
485	;;
486
487	*)
488	;;
489	esac
490
491	AC_SUBST(MSBITFIELDS)
492
493	###################################
494	## CHECKING FOR HEADERS AND LIBS ##
495	###################################
496
497	#---------#
498	# SDL_ttf #
499	#---------#
500	AX_CHECK_REQUIRED_HEADER_LIB([SDL_ttf.h SDL/SDL_ttf.h], [SDL_ttf], [TTF_OpenFont],,, [http://www.libsdl.org/projects/SDL_ttf])
501	#-----------#
502	# SDL_Image #
503	#-----------#
504	AX_CHECK_REQUIRED_HEADER_LIB([SDL_image.h SDL/SDL_image.h], [SDL_image], [main],,, [http://www.libsdl.org/projects/SDL_image])
505	#---------#
506	# SDL_Net #
507	#---------#
508	AX_CHECK_REQUIRED_HEADER_LIB([SDL_net.h SDL/SDL_net.h], [SDL_net], [main],,, [http://www.libsdl.org/projects/SDL_net])
509
510	#--------#
511	# FFmpeg #
512	#--------#
513	# checking for FFmpeg-headers
514	AC_CHECK_HEADERS([avformat.h] ,,
515	[AC_CHECK_HEADERS([ffmpeg/avformat.h] ,,AC_MSG_ERROR([cannot find FFmpeg header.])]))
516	# checking for ffmpeg-lib
517	AC_CHECK_LIB([avformat], [main], [FOUND_avformat=yes; LIBS="$LIBS -lavformat"])
518	if test x$FOUND_avformat != xyes ; then
519	echo "------------------"
520	echo "avformat library not found."
521	echo "please install the FFmpeg library, which can be found at http://ffmpeg.sourceforge.net"
522	echo "------------------"
523	exit -1
524	fi
525	AC_CHECK_HEADERS([avcodec.h] ,,
526	[AC_CHECK_HEADERS([ffmpeg/avcodec.h] ,,AC_MSG_ERROR([cannot find FFmpeg header.])]))
527	AC_CHECK_LIB([avcodec], [main], [FOUND_avcodec=yes; LIBS="$LIBS -lavcodec"])
528	if test x$FOUND_avcodec != xyes ; then
529	echo "------------------"
530	echo "avcodec library not found."
531	echo "please install the FFmpeg library, which can be found at http://ffmpeg.sourceforge.net"
532	echo "------------------"
533	exit -1
534	fi
535	AC_CHECK_LIB([avutil], [main], [FOUND_avutil=yes; LIBS="$LIBS -lavutil"])
536	AC_CHECK_LIB([xvid], [main], [FOUND_xvid=yes; LIBS="$LIBS -lxvid"])
537	AC_CHECK_LIB([gcj], [main], [FOUND_gcj=yes; LIBS="$LIBS -lgcj"])
538	AC_CHECK_LIB([theora], [main], [FOUND_theora=yes; LIBS="$LIBS -ltheora"])
539	AC_CHECK_LIB([dts], [main], [FOUND_dts=yes; LIBS="$LIBS -ldts"])
540	AC_CHECK_LIB([gsm], [main], [FOUND_gsm=yes; LIBS="$LIBS -lgsm"])
541	AC_CHECK_LIB([dc1394_control], [main], [FOUND_dc1394_control=yes; LIBS="$LIBS -ldc1394_control"])
542	AC_CHECK_LIB([vorbisenc], [main], [FOUND_vorbisenc=yes; LIBS="$LIBS -lvorbisenc"])
543
544
545	#--------#
546	# vorbis #
547	#--------#
548	AX_CHECK_REQUIRED_HEADER_LIB([vorbis/vorbisfile.h], [vorbisfile], [main],,, [http://www.xiph.org/ogg/vorbis/index.html])
549	AX_CHECK_REQUIRED_HEADER_LIB([vorbis/codec.h], [vorbis], [main],,, [http://www.xiph.org/ogg/vorbis/index.html])
550
551	#-----#
552	# ogg #
553	#-----#
554	AX_CHECK_REQUIRED_HEADER_LIB([ogg/ogg.h], [ogg], [main],,, [http://www.xiph.org/ogg/vorbis/index.html])
555
556
557	#---------#
558	# libcURL #
559	#---------#
560	AX_CHECK_HEADER_LIB([curl/curl.h], [curl], [main], [
561	have_curl=yes
562	CURL_LIBS=`curl-config --libs`
563	CURLCFLAGS=`curl-config --cflags`
564	AC_DEFINE_UNQUOTED(HAVE_CURL, 1, [if we have CURL]) ]
565	,, [http://curl.haxx.se/])
566
567	AC_SUBST(CURL_LIBS)
568	AC_SUBST(CURL_CFLAGS)
569	AM_CONDITIONAL(HAVE_CURL, test "x$have_curl" = "xyes")
570
571	#--------#
572	# efence #
573	#--------#
574	if test x$def_efence = xyes ; then
575	AC_CHECK_LIB([efence], [main], [FOUND_efence=yes; LIBS="$LIBS -lefence"])
576	if test x$FOUND_efence != xyes ; then
577	echo "efence was requested, but is not installed!! going on"
578	fi
579
580	fi
581
582	#-----#
583	# GTK #
584	#-----#
585	if test x$def_gtk = xyes; then
586	#PKG_CHECK_MODULES(GTK2, gtk+-2.0 >= 2.0.3 gthread-2.0 >= 2.0.3, have_gtk2=yes, have_gtk2=no)
587	AC_MSG_CHECKING([for gtk2.0])
588	if `$PKG_CONFIG --exists gtk+-2.0`; then
589	echo "yes"
590	have_gtk2=yes
591	GTK2_LIBS=`$PKG_CONFIG --libs gtk+-2.0`
592	GTK2_CFLAGS=`$PKG_CONFIG --cflags gtk+-2.0`
593	AC_DEFINE_UNQUOTED(HAVE_GTK2, 1, [if we have GTK2])
594	if test $DEBUG -ge 3; then
595	echo "cflags: $GTK2_CFLAGS"
596	echo "libs: $GTK2_LIBS"
597	fi
598	else
599	echo "no"
600	fi
601
602	fi
603	AC_SUBST(GTK2_LIBS)
604	AC_SUBST(GTK2_CFLAGS)
605	AM_CONDITIONAL(HAVE_GTK2, test x$have_gtk2 = xyes)
606
607
608	# FIXME: Replace `main' with a function in `-lm':
609	AC_CHECK_LIB([m], [main])
610
611
612	# Checks for header files.
613	AC_HEADER_STDC
614	AC_CHECK_HEADERS([stdlib.h string.h])
615
616	# Checks for typedefs, structures, and compiler characteristics.
617	AC_HEADER_STDBOOL
618
619	# Checks for library functions.
620	AC_FUNC_MALLOC
621	AC_CHECK_FUNCS([bzero sqrt])
622
623	######################
624	## OUTPUT CONFIGURE ##
625	######################
626	AC_CONFIG_FILES([Makefile
627	src/Makefile
628	src/lib/Makefile
629	src/lib/math/Makefile
630	src/lib/graphics/Makefile
631	src/lib/graphics/importer/Makefile
632	src/lib/graphics/spatial_separation/Makefile
633	src/lib/sound/Makefile
634	src/lib/event/Makefile
635	src/lib/physics/Makefile
636	src/lib/particles/Makefile
637	src/lib/collision_detection/Makefile
638	src/lib/network/Makefile
639	src/lib/shell/Makefile
640	src/lib/gui/Makefile
641	src/lib/gui/gtk_gui/Makefile
642	src/lib/gui/gl_gui/Makefile
643	src/lib/parser/Makefile
644	src/lib/parser/tinyxml/Makefile
645	src/lib/parser/ini_parser/Makefile
646	src/lib/libltdl/Makefile
647	src/util/Makefile
648	src/world_entities/Makefile
649	src/subprojects/Makefile
650	src/subprojects/testmain/Makefile
651	src/subprojects/importer/Makefile
652	src/subprojects/particles/Makefile
653	src/subprojects/collision_detection/Makefile
654	src/subprojects/network/Makefile
655	])
656
657	AC_OUTPUT

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