af3862efcc3b9e38c5fc1f78cf73958788ff4edd
[libav.git] / configure
1 #!/bin/sh
2 #
3 # ffmpeg configure script (c) 2000, 2001, 2002 Fabrice Bellard
4 #
5 # set temporary file name
6 if test ! -z "$TMPDIR" ; then
7 TMPDIR1="${TMPDIR}"
8 elif test ! -z "$TEMPDIR" ; then
9 TMPDIR1="${TEMPDIR}"
10 else
11 TMPDIR1="/tmp"
12 fi
13
14 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
15 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
16 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
17 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
18
19 # default parameters
20 prefix="/usr/local"
21 cross_prefix=""
22 cc="gcc"
23 ar="ar"
24 make="make"
25 strip="strip"
26 cpu=`uname -m`
27 mmx="default"
28 case "$cpu" in
29 i386|i486|i586|i686|i86pc|BePC)
30 cpu="x86"
31 ;;
32 armv4l)
33 cpu="armv4l"
34 ;;
35 alpha)
36 cpu="alpha"
37 ;;
38 *)
39 cpu="unknown"
40 ;;
41 esac
42 gprof="no"
43 v4l="yes"
44 audio_oss="yes"
45 network="yes"
46 mp3lame="no"
47 a52="yes"
48 a52bin="no"
49 win32="no"
50 lshared="no"
51 extralibs="-lm"
52 simpleidct="yes"
53 bigendian="no"
54
55 # OS specific
56 targetos=`uname -s`
57 case $targetos in
58 BeOS)
59 prefix="/boot/home/config"
60 # helps building libavcodec
61 CFLAGS="-O2 -DPIC"
62 v4l="no"
63 # no need for libm, but the inet stuff
64 # Check for BONE
65 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
66 extralibs="-lbind -lsocket"
67 else
68 echo "Not sure building for net_server will succeed... good luck."
69 extralibs="-lsocket"
70 fi ;;
71 BSD/OS)
72 v4l="no"
73 audio_oss="no"
74 extralibs="-lpoll -lgnugetopt -lm"
75 make="gmake"
76 ;;
77 *) ;;
78 esac
79
80 # find source path
81 # XXX: we assume an absolute path is given when launching configure,
82 # except in './configure' case.
83 source_path=${0%configure}
84 source_path=${source_path%/}
85 source_path_used="yes"
86 if test -z "$source_path" -o "$source_path" = "." ; then
87 source_path=`pwd`
88 source_path_used="no"
89 fi
90
91 for opt do
92 case "$opt" in
93 --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
94 ;;
95 --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
96 ;;
97 --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
98 ;;
99 --cc=*) cc=`echo $opt | cut -d '=' -f 2`
100 ;;
101 --make=*) make=`echo $opt | cut -d '=' -f 2`
102 ;;
103 --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
104 ;;
105 --extra-ldflags=*) LDFLAGS=${opt#--extra-ldflags=}
106 ;;
107 --extra-libs=*) extralibs=${opt#--extra-libs=}
108 ;;
109 --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
110 ;;
111 --disable-mmx) mmx="no"
112 ;;
113 --enable-gprof) gprof="yes"
114 ;;
115 --disable-v4l) v4l="no"
116 ;;
117 --disable-audio-oss) audio_oss="no"
118 ;;
119 --disable-network) network="no"
120 ;;
121 --disable-a52) a52="no"
122 ;;
123 --enable-a52bin) a52bin="yes" ; extralibs="-ldl $extralibs"
124 ;;
125 --enable-mp3lame) mp3lame="yes"
126 ;;
127 --disable-simple_idct) simpleidct="no"
128 ;;
129 --enable-win32) win32="yes"
130 ;;
131 --enable-shared) lshared="yes"
132 ;;
133 esac
134 done
135
136 # compute mmx state
137 if test $mmx = "default"; then
138 if test $cpu = "x86"; then
139 mmx="yes"
140 else
141 mmx="no"
142 fi
143 fi
144
145 # Checking for CFLAGS
146 if test -z "$CFLAGS"; then
147 CFLAGS="-O2"
148 fi
149
150 if test "$win32" = "yes" ; then
151 cross_prefix="i386-mingw32msvc-"
152 v4l="no"
153 audio_oss="no"
154 network="no"
155 fi
156
157 # endianness : guess with cpu type. Should also use prefix
158 if test "$cpu" = "powerpc"; then
159 bigendian="yes"
160 fi
161
162 cc="${cross_prefix}${cc}"
163 ar="${cross_prefix}${ar}"
164 strip="${cross_prefix}${strip}"
165
166 # ---
167 # check availability of some header files
168
169 cat > $TMPC << EOF
170 #include <malloc.h>
171 int main( void ) { return 0; }
172 EOF
173
174 _memalign=no
175 _malloc_h=no
176 if $cc -o $TMPO $TMPC 2> /dev/null ; then
177 _malloc_h=yes
178 _memalign=yes
179 # check for memalign - atmos
180 cat > $TMPC << EOF
181 #include <malloc.h>
182 int main ( void ) {
183 char *string = NULL;
184 string = memalign(64, sizeof(char));
185 return 0;
186 }
187 EOF
188 $cc -o $TMPO $TMPC 2> /dev/null || _memalign=no
189 fi
190
191 if test "$1" = "-h" -o "$1" = "--help" ; then
192 cat << EOF
193
194 Usage: configure [options]
195 Options: [defaults in brackets after descriptions]
196
197 EOF
198 echo "Standard options:"
199 echo " --help print this message"
200 echo " --prefix=PREFIX install in PREFIX [$prefix]"
201 echo " --enable-mp3lame enable mp3 encoding via libmp3lame [default=no]"
202 echo " --enable-win32 enable win32 cross compile"
203 echo " --disable-a52 disable GPL'ed A52 support [default=no]"
204 echo " --enable-a52bin open liba52.so.0 at runtime [default=no]"
205 echo " --enable-shared build shared libraries [default=no]"
206 echo ""
207 echo "Advanced options (experts only):"
208 echo " --source-path=PATH path of source code [$source_path]"
209 echo " --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]"
210 echo " --cc=CC use C compiler CC [$cc]"
211 echo " --make=MAKE use specified make [$make]"
212 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
213 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
214 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
215 echo " --cpu=CPU force cpu to CPU [$cpu]"
216 echo " --disable-mmx disable mmx usage"
217 echo " --disable-audio-oss disable OSS audio support [default=no]"
218 echo " --disable-v4l video4linux grabbing [default=no]"
219 echo " --disable-network disable network support [default=no]"
220 echo " --disable-simple_idct disable simple IDCT routines [default=no]"
221 echo " --enable-gprof enable profiling with gprof [$gprof]"
222 echo ""
223 echo "NOTE: The object files are build at the place where configure is launched"
224 exit 1
225 fi
226
227 echo "Install prefix $prefix"
228 echo "Source path $source_path"
229 echo "C compiler $cc"
230 echo "make $make"
231 echo "CPU $cpu"
232 echo "Big Endian $bigendian"
233 echo "MMX enabled $mmx"
234 echo "gprof enabled $gprof"
235 echo "mp3lame enabled $mp3lame"
236 echo "a52 support $a52"
237 echo "a52 dlopened $a52bin"
238
239 echo "Creating config.mak and config.h"
240
241 echo "# Automatically generated by configure - do not modify" > config.mak
242 echo "/* Automatically generated by configure - do not modify */" > $TMPH
243
244 echo "prefix=$prefix" >> config.mak
245 echo "MAKE=$make" >> config.mak
246 echo "CC=$cc" >> config.mak
247 echo "AR=$ar" >> config.mak
248 echo "STRIP=$strip" >> config.mak
249 echo "OPTFLAGS=$CFLAGS" >> config.mak
250 echo "LDFLAGS=$LDFLAGS" >> config.mak
251 if test "$cpu" = "x86" ; then
252 echo "TARGET_ARCH_X86=yes" >> config.mak
253 echo "#define ARCH_X86 1" >> $TMPH
254 elif test "$cpu" = "armv4l" ; then
255 echo "TARGET_ARCH_ARMV4L=yes" >> config.mak
256 echo "#define ARCH_ARMV4L 1" >> $TMPH
257 elif test "$cpu" = "alpha" ; then
258 echo "TARGET_ARCH_ALPHA=yes" >> config.mak
259 echo "#define ARCH_ALPHA 1" >> $TMPH
260 elif test "$cpu" = "powerpc" ; then
261 echo "TARGET_ARCH_POWERPC=yes" >> config.mak
262 echo "#define ARCH_POWERPC 1" >> $TMPH
263 fi
264 if test "$bigendian" = "yes" ; then
265 echo "WORDS_BIGENDIAN=yes" >> config.mak
266 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
267 fi
268 if test "$mmx" = "yes" ; then
269 echo "TARGET_MMX=yes" >> config.mak
270 echo "#define HAVE_MMX 1" >> $TMPH
271 fi
272 if test "$gprof" = "yes" ; then
273 echo "TARGET_GPROF=yes" >> config.mak
274 echo "#define HAVE_GPROF 1" >> $TMPH
275 fi
276 if test "$lshared" = "yes" ; then
277 echo "BUILD_SHARED=yes" >> config.mak
278 echo "PIC=-fPIC" >> config.mak
279 fi
280 echo "EXTRALIBS=$extralibs" >> config.mak
281 echo -n "VERSION=" >>config.mak
282 head $source_path/VERSION >>config.mak
283 echo "" >>config.mak
284 # if you do not want to use encoders, disable that.
285 echo "#define CONFIG_ENCODERS 1" >> $TMPH
286 echo "CONFIG_ENCODERS=yes" >> config.mak
287
288 # if you do not want to use decoders, disable that.
289 echo "#define CONFIG_DECODERS 1" >> $TMPH
290 echo "CONFIG_DECODERS=yes" >> config.mak
291
292 # AC3
293 if test "$a52" = "yes" ; then
294 echo "#define CONFIG_AC3 1" >> $TMPH
295 echo "CONFIG_AC3=yes" >> config.mak
296
297 if test "$a52bin" = "yes" ; then
298 echo "#define CONFIG_A52BIN 1" >> $TMPH
299 echo "CONFIG_A52BIN=yes" >> config.mak
300 fi
301 fi
302
303 if test "$v4l" = "yes" ; then
304 echo "#define CONFIG_VIDEO4LINUX 1" >> $TMPH
305 echo "CONFIG_VIDEO4LINUX=yes" >> config.mak
306 fi
307
308 if test "$audio_oss" = "yes" ; then
309 echo "#define CONFIG_AUDIO_OSS 1" >> $TMPH
310 echo "CONFIG_AUDIO_OSS=yes" >> config.mak
311 fi
312
313 if test "$network" = "yes" ; then
314 echo "#define CONFIG_NETWORK 1" >> $TMPH
315 echo "CONFIG_NETWORK=yes" >> config.mak
316 fi
317
318 if test "$mp3lame" = "yes" ; then
319 echo "#define CONFIG_MP3LAME 1" >> $TMPH
320 echo "CONFIG_MP3LAME=yes" >> config.mak
321 fi
322
323 if test "$win32" = "yes" ; then
324 echo "#define CONFIG_WIN32 1" >> $TMPH
325 echo "CONFIG_WIN32=yes" >> config.mak
326 fi
327
328 if test "$_malloc_h" = "yes" ; then
329 echo "#define HAVE_MALLOC_H 1" >> $TMPH
330 else
331 echo "#undef HAVE_MALLOC_H" >> $TMPH
332 fi
333
334 if test "$_memalign" = "yes" ; then
335 echo "#define HAVE_MEMALIGN 1" >> $TMPH
336 else
337 echo "#undef HAVE_MEMALIGN" >> $TMPH
338 fi
339
340 if test "$simpleidct" = "yes" ; then
341 echo "#define SIMPLE_IDCT 1" >> $TMPH
342 fi
343
344 # build tree in object directory if source path is different from current one
345 if test "$source_path_used" = "yes" ; then
346 DIRS="libav libavcodec libavcodec/alpha libavcodec/armv4l libavcodec/i386 \
347 libavcodec/liba52 libavcodec/mlib tests"
348 FILES="Makefile libav/Makefile libavcodec/Makefile tests/Makefile"
349 for dir in $DIRS ; do
350 mkdir -p $dir
351 done
352 for f in $FILES ; do
353 ln -sf $source_path/$f $f
354 done
355 fi
356 echo "SRC_PATH=$source_path" >> config.mak
357
358 diff $TMPH config.h >/dev/null 2>&1
359 if test $? -ne 0 ; then
360 mv -f $TMPH config.h
361 else
362 echo "config.h is unchanged"
363 fi
364
365 rm -f $TMPO $TMPC $TMPS $TMPH