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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000, 2001, 2002 Fabrice Bellard
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# Copyright (c) 2005-2006 Diego Biurrun
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# Copyright (c) 2005-2006 Mans Rullgard
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#
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" >/dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2>/dev/null
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E1="$?"
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(: ${foo?}) 2>/dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
52

    
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show_help(){
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  echo "Usage: configure [options]"
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  echo "Options: [defaults in brackets after descriptions]"
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  echo
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  echo "Standard options:"
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  echo "  --help                   print this message"
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  echo "  --log[=FILE|yes|no]      log tests and output to FILE [config.err]"
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  echo "  --prefix=PREFIX          install in PREFIX [$PREFIX]"
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  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
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  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
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  echo "  --incdir=DIR             install includes in DIR [PREFIX/include/ffmpeg]"
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  echo "  --mandir=DIR             install man page in DIR [PREFIX/man]"
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  echo "  --enable-static          build static libraries [default=yes]"
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  echo "  --disable-static         do not build static libraries [default=no]"
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  echo "  --enable-shared          build shared libraries [default=no]"
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  echo "  --disable-shared         do not build shared libraries [default=yes]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
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  echo "                           and ffmpeg will be under GPL [default=no]"
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  echo "  --enable-pp              enable GPLed postprocessing support [default=no]"
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  echo "  --enable-swscaler        software scaler support [default=no]"
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  echo "  --enable-beosthreads     use BeOS threads [default=no]"
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  echo "  --enable-os2threads      use OS/2 threads [default=no]"
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  echo "  --enable-pthreads        use pthreads [default=no]"
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  echo "  --enable-w32threads      use Win32 threads [default=no]"
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  echo "  --enable-x11grab         enable X11 grabbing [default=no]"
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  echo
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  echo "External library support:"
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  echo "  --enable-sunmlib         use Sun medialib [default=no]"
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  echo "  --enable-dc1394          enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [default=no]"
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  echo "  --enable-liba52          enable GPLed liba52 support [default=no]"
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  echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
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  echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
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  echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec"
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  echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec"
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  echo "  --enable-libdts          enable GPLed libdts support [default=no]"
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  echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
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  echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
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  echo "  --enable-libfaadbin      build FAAD support with runtime linking [default=no]"
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  echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
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  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native demuxer exists [default=no]"
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  echo "  --enable-libogg          enable Ogg muxing via libogg [default=no]"
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  echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
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  echo "  --enable-libvorbis       enable Vorbis en/decoding via libvorbis,"
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  echo "                           native implementations exist [default=no]"
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  echo "  --enable-x264            enable H.264 encoding via x264 [default=no]"
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  echo "  --enable-xvid            enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [default=no]"
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  echo ""
104
  echo "Advanced options (experts only):"
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  echo "  --source-path=PATH       path to source code [$source_path]"
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  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
107
  echo "  --cross-compile          assume a cross-compiler is used"
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  echo "  --target-os=OS           compiler targets OS [$targetos]"
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  echo "  --cc=CC                  use C compiler CC [$cc]"
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  echo "  --make=MAKE              use specified make [$make]"
111
  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
112
  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
114
  echo "  --build-suffix=SUFFIX    suffix for application specific build []"
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  echo "  --arch=ARCH              select architecture  [$arch]"
116
  echo "  --cpu=CPU                selects the minimum cpu required (affects"
117
  echo "                           instruction selection, may crash on older CPUs)"
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  echo "  --enable-powerpc-perf    enable performance report on PPC"
119
  echo "                           (requires enabling PMC)"
120
  echo "  --disable-mmx            disable MMX usage"
121
  echo "  --disable-armv5te        disable armv5te usage"
122
  echo "  --disable-armv6          disable armv6 usage"
123
  echo "  --disable-iwmmxt         disable iwmmxt usage"
124
  echo "  --disable-altivec        disable AltiVec usage"
125
  echo "  --disable-audio-oss      disable OSS audio support [default=no]"
126
  echo "  --disable-audio-beos     disable BeOS audio support [default=no]"
127
  echo "  --disable-v4l            disable video4linux grabbing [default=no]"
128
  echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"
129
  echo "  --disable-bktr           disable bktr video grabbing [default=no]"
130
  echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"
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  echo "  --disable-network        disable network support [default=no]"
132
  echo "  --disable-ipv6           disable ipv6 support [default=no]"
133
  echo "  --disable-zlib           disable zlib [default=no]"
134
  echo "  --disable-vhook          disable video hooking support"
135
  echo "  --disable-debug          disable debugging symbols"
136
  echo "  --disable-mpegaudio-hp   faster (but less accurate)"
137
  echo "                           MPEG audio decoding [default=no]"
138
  echo "  --disable-ffmpeg         disable ffmpeg build"
139
  echo "  --disable-ffserver       disable ffserver build"
140
  echo "  --disable-ffplay         disable ffplay build"
141
  echo "  --enable-small           optimize for size instead of speed"
142
  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
143
  echo "  --disable-encoder=NAME   disables encoder NAME"
144
  echo "  --enable-encoder=NAME    enables encoder NAME"
145
  echo "  --disable-decoder=NAME   disables decoder NAME"
146
  echo "  --enable-decoder=NAME    enables decoder NAME"
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  echo "  --disable-encoders       disables all encoders"
148
  echo "  --disable-decoders       disables all decoders"
149
  echo "  --disable-muxer=NAME     disables muxer NAME"
150
  echo "  --enable-muxer=NAME      enables muxer NAME"
151
  echo "  --disable-muxers         disables all muxers"
152
  echo "  --disable-demuxer=NAME   disables demuxer NAME"
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  echo "  --enable-demuxer=NAME    enables demuxer NAME"
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  echo "  --disable-demuxers       disables all demuxers"
155
  echo "  --enable-parser=NAME     enables parser NAME"
156
  echo "  --disable-parser=NAME    disables parser NAME"
157
  echo "  --disable-parsers        disables all parsers"
158
  echo "  --enable-protocol=NAME   enables protocol NAME"
159
  echo "  --disable-protocol=NAME  disables protocol NAME"
160
  echo "  --disable-protocols      disables all protocols"
161
  echo
162
  echo "Developer options (useful when working on FFmpeg itself):"
163
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
164
  echo "  --disable-opts           disable compiler optimizations"
165
  echo "  --enable-extra-warnings  enable more compiler warnings"
166
  echo "  --disable-strip          disable stripping of executables and shared libraries"
167
  echo ""
168
  echo "NOTE: Object files are built at the place where configure is launched."
169
  exit 1
170
}
171

    
172
log(){
173
    echo "$@" >>$logfile
174
}
175

    
176
log_file(){
177
    log BEGIN $1
178
    cat -n $1 >>$logfile
179
    log END $1
180
}
181

    
182
echolog(){
183
    log "$@"
184
    echo "$@"
185
}
186

    
187
die(){
188
    echolog "$@"
189
    cat <<EOF
190
If you think configure made a mistake, make sure you are using the latest
191
version from SVN.  If the latest version fails, report the problem to the
192
ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
193
EOF
194
    if enabled logging; then
195
        cat <<EOF
196
Include the log file "$logfile" produced by configure as this will help
197
solving the problem.
198
EOF
199
    else
200
cat <<EOF
201
Rerun configure with logging enabled (do not use --log=no), and include the
202
log this produces with your report.
203
EOF
204
    fi
205
    rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
206
    exit 1
207
}
208

    
209
# "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
210
toupper(){
211
    echo "$@" | tr '[a-z]' '[A-Z]'
212
}
213

    
214
tolower(){
215
    echo "$@" | tr '[A-Z]' '[a-z]'
216
}
217

    
218
set_all(){
219
    value=$1
220
    shift
221
    for var in $*; do
222
        eval $var=$value
223
    done
224
}
225

    
226
pushvar(){
227
    for var in $*; do
228
        eval level=\${${var}_level:=0}
229
        eval ${var}_${level}="\$$var"
230
        eval ${var}_level=$(($level+1))
231
    done
232
}
233

    
234
popvar(){
235
    for var in $*; do
236
        eval level=\${${var}_level:-0}
237
        test $level = 0 && continue
238
        eval level=$(($level-1))
239
        eval $var="\${${var}_${level}}"
240
        eval ${var}_level=$level
241
        eval unset ${var}_${level}
242
    done
243
}
244

    
245
enable(){
246
    set_all yes $*
247
}
248

    
249
disable(){
250
    set_all no $*
251
}
252

    
253
enabled(){
254
    eval test "x\$$1" = "xyes"
255
}
256

    
257
disabled(){
258
    eval test "x\$$1" = "xno"
259
}
260

    
261
enabled_all(){
262
    for opt; do
263
        enabled $opt || return 1
264
    done
265
}
266

    
267
disabled_all(){
268
    for opt; do
269
        disabled $opt || return 1
270
    done
271
}
272

    
273
enabled_any(){
274
    for opt; do
275
        enabled $opt && return 0
276
    done
277
}
278

    
279
disabled_any(){
280
    for opt; do
281
        disabled $opt && return 0
282
    done
283
}
284

    
285
check_deps(){
286
    for cfg; do
287
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
288
        disabled ${cfg}_checking && continue
289
        enable ${cfg}_checking
290

    
291
        eval dep_all="\$${cfg}_deps"
292
        eval dep_any="\$${cfg}_deps_any"
293

    
294
        pushvar cfg dep_all dep_any
295
        check_deps $dep_all $dep_any
296
        popvar cfg dep_all dep_any
297

    
298
        enabled_all $dep_all || disable $cfg
299
        enabled_any $dep_any || disable $cfg
300

    
301
        disable ${cfg}_checking
302
    done
303
}
304

    
305
print_config(){
306
    pfx=$1
307
    header=$2
308
    makefile=$3
309
    shift 3
310
    for cfg; do
311
        if enabled $cfg; then
312
            ucname="${pfx}`toupper $cfg`"
313
            echo "#define ${ucname} 1" >> $header
314
            echo "${ucname}=yes" >> $makefile
315
        fi
316
    done
317
}
318

    
319
flags_saved(){
320
    (: ${SAVE_CFLAGS?}) 2>/dev/null
321
}
322

    
323
save_flags(){
324
    flags_saved && return
325
    SAVE_CFLAGS="$CFLAGS"
326
    SAVE_LDFLAGS="$LDFLAGS"
327
    SAVE_extralibs="$extralibs"
328
}
329

    
330
restore_flags(){
331
    flags_saved || return
332
    CFLAGS="$SAVE_CFLAGS"
333
    LDFLAGS="$SAVE_LDFLAGS"
334
    extralibs="$SAVE_extralibs"
335
    unset SAVE_CFLAGS
336
    unset SAVE_LDFLAGS
337
    unset SAVE_extralibs
338
}
339

    
340
temp_cflags(){
341
    save_flags
342
    CFLAGS="$CFLAGS $*"
343
}
344

    
345
temp_ldflags(){
346
    save_flags
347
    LDFLAGS="$LDFLAGS $*"
348
}
349

    
350
temp_extralibs(){
351
    save_flags
352
    extralibs="$extralibs $*"
353
}
354

    
355
append(){
356
    var=$1
357
    shift
358
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
359
    eval "$var=\"\$$var $*\""
360
}
361

    
362
add_cflags(){
363
    append CFLAGS "$@"
364
}
365

    
366
add_ldflags(){
367
    append LDFLAGS "$@"
368
}
369

    
370
add_extralibs(){
371
    append extralibs "$@"
372
}
373

    
374
check_cmd(){
375
    log "$@"
376
    "$@" >>$logfile 2>&1
377
}
378

    
379
check_cc(){
380
    log check_cc "$@"
381
    cat >$TMPC
382
    log_file $TMPC
383
    check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
384
}
385

    
386
check_cpp(){
387
    log check_cpp "$@"
388
    cat >$TMPC
389
    log_file $TMPC
390
    check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
391
}
392

    
393
check_ld(){
394
    log check_ld "$@"
395
    check_cc || return
396
    check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
397
}
398

    
399
check_cflags(){
400
    log check_cflags "$@"
401
    check_cc "$@" <<EOF && add_cflags "$@"
402
int x;
403
EOF
404
}
405

    
406
check_ldflags(){
407
    log check_ldflags "$@"
408
    check_ld "$@" <<EOF && add_ldflags "$@"
409
int main(){
410
    return 0;
411
}
412
EOF
413
}
414

    
415
check_header(){
416
    log check_header "$@"
417
    header=$1
418
    shift
419
    var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
420
    disable $var
421
    check_cpp "$@" <<EOF && enable $var
422
#include <$header>
423
int x;
424
EOF
425
}
426

    
427
check_func(){
428
    log check_func "$@"
429
    func=$1
430
    shift
431
    disable $func
432
    check_ld "$@" <<EOF && enable $func
433
extern int $func();
434
int main(){
435
    $func();
436
}
437
EOF
438
}
439

    
440
check_func2(){
441
    log check_func2 "$@"
442
    headers=$1
443
    func=$2
444
    shift 2
445
    disable $func
446
    incs=""
447
    for hdr in $headers; do
448
        incs="$incs
449
#include <$hdr>"
450
    done
451
    check_ld "$@" <<EOF && enable $func
452
$incs
453
int main(){
454
    (void) $func;
455
    return 0;
456
}
457
EOF
458
}
459

    
460
check_lib(){
461
    log check_lib "$@"
462
    header="$1"
463
    func="$2"
464
    shift 2
465
    temp_extralibs "$@"
466
    check_header $header && check_func $func && add_extralibs "$@"
467
    err=$?
468
    restore_flags
469
    return $err
470
}
471

    
472
check_lib2(){
473
    log check_lib2 "$@"
474
    headers="$1"
475
    func="$2"
476
    shift 2
477
    temp_extralibs "$@"
478
    check_func2 "$headers" $func && add_extralibs "$@"
479
    err=$?
480
    restore_flags
481
    return $err
482
}
483

    
484
check_exec(){
485
    check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
486
}
487

    
488
check_exec_crash(){
489
    code=`cat`
490

    
491
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
492
    # are safe but may not be available everywhere.  Thus we use
493
    # raise(SIGTERM) instead.  The check is run in a subshell so we
494
    # can redirect the "Terminated" message from the shell.  SIGBUS
495
    # is not defined by standard C so it is used conditionally.
496

    
497
    (check_exec "$@") >>$logfile 2>&1 <<EOF
498
#include <signal.h>
499
static void sighandler(int sig){
500
    raise(SIGTERM);
501
}
502
int main(){
503
    signal(SIGILL, sighandler);
504
    signal(SIGFPE, sighandler);
505
    signal(SIGSEGV, sighandler);
506
#ifdef SIGBUS
507
    signal(SIGBUS, sighandler);
508
#endif
509
    { $code }
510
}
511
EOF
512
}
513

    
514
require(){
515
    name="$1"
516
    header="$2"
517
    func="$3"
518
    shift 3
519
    check_lib $header $func "$@" || die "ERROR: $name not found"
520
}
521

    
522
require2(){
523
    name="$1"
524
    headers="$2"
525
    func="$3"
526
    shift 3
527
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
528
}
529

    
530
check_foo_config(){
531
    cfg=$1
532
    pkg=$2
533
    header=$3
534
    func=$4
535
    shift 4
536
    disable $cfg
537
    check_cmd ${pkg}-config --version
538
    err=$?
539
    if test "$err" = 0; then
540
        temp_cflags `${pkg}-config --cflags`
541
        temp_extralibs `${pkg}-config --libs`
542
        check_lib "$@" $header $func && enable $cfg
543
    fi
544
    return $err
545
}
546

    
547
apply(){
548
    file=$1
549
    shift
550
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
551
}
552

    
553
CONFIG_LIST='
554
    encoders
555
    decoders
556
    parsers
557
    muxers
558
    demuxers
559
    audio_beos
560
    audio_oss
561
    avisynth
562
    beos_netserver
563
    bktr
564
    dc1394
565
    dv1394
566
    ffmpeg
567
    ffplay
568
    ffserver
569
    gpl
570
    gprof
571
    ipv6
572
    liba52
573
    liba52bin
574
    libamr
575
    libamr_nb
576
    libamr_wb
577
    libdts
578
    libfaac
579
    libfaad
580
    libfaadbin
581
    libgsm
582
    libmp3lame
583
    libnut
584
    libogg
585
    libtheora
586
    libvorbis
587
    memalign_hack
588
    mpegaudio_hp
589
    network
590
    powerpc_perf
591
    pp
592
    protocols
593
    swscaler
594
    vhook
595
    v4l
596
    v4l2
597
    x11grab
598
    x264
599
    xvid
600
    zlib
601
'
602

    
603
THREADS_LIST='
604
    beosthreads
605
    os2threads
606
    pthreads
607
    w32threads
608
'
609

    
610
HAVE_LIST="
611
    $THREADS_LIST
612
    altivec
613
    altivec_h
614
    armv5te
615
    armv6
616
    arpa_inet_h
617
    byteswap_h
618
    cmov
619
    dcbzl
620
    dev_bktr_ioctl_bt848_h
621
    dev_bktr_ioctl_meteor_h
622
    dev_ic_bt8xx_h
623
    dev_video_meteor_ioctl_meteor_h
624
    dev_video_bktr_ioctl_bt848_h
625
    dlfcn_h
626
    dlopen
627
    ebp_available
628
    ebx_available
629
    fast_64bit
630
    fast_cmov
631
    fast_unaligned
632
    freetype2
633
    imlib2
634
    inet_aton
635
    iwmmxt
636
    localtime_r
637
    lrintf
638
    machine_ioctl_bt848_h
639
    machine_ioctl_meteor_h
640
    malloc_h
641
    memalign
642
    mlib
643
    mmi
644
    mmx
645
    os2
646
    sdl
647
    sdl_video_size
648
    soundcard_h
649
    sys_poll_h
650
    sys_soundcard_h
651
    threads
652
"
653

    
654
TARGET_LIST='
655
    altivec
656
    armv5te
657
    armv6
658
    iwmmxt
659
    mmi
660
    mmx
661
'
662

    
663
CMDLINE_SELECT="
664
    $CONFIG_LIST
665
    $TARGET_LIST
666
    $THREADS_LIST
667
    debug
668
    extra_warnings
669
    shared
670
    static
671
"
672

    
673
# code dependency declarations
674

    
675
# decoders / encoders
676
dxa_decoder_deps="zlib"
677
flashsv_decoder_deps="zlib"
678
flashsv_encoder_deps="zlib"
679
h263_decoder_deps="h263_parser"
680
mpeg_xvmc_decoder_deps="xvmc"
681
png_decoder_deps="zlib"
682
png_encoder_deps="zlib"
683
x264_encoder_deps="x264"
684
xvid_encoder_deps="xvid"
685
zmbv_decoder_deps="zlib"
686
zmbv_encoder_deps="zlib"
687

    
688
# external libraries
689
aac_decoder_deps="libfaad"
690
mpeg4aac_decoder_deps="libfaad"
691
faac_encoder_deps="libfaac"
692
liba52_decoder_deps="liba52"
693
libamr_nb_decoder_deps="libamr_nb"
694
libamr_nb_encoder_deps="libamr_nb"
695
libamr_wb_decoder_deps="libamr_wb"
696
libamr_wb_encoder_deps="libamr_wb"
697
libdts_decoder_deps="libdts"
698
libgsm_decoder_deps="libgsm"
699
libgsm_encoder_deps="libgsm"
700
libgsm_ms_decoder_deps="libgsm"
701
libgsm_ms_encoder_deps="libgsm"
702
libtheora_encoder_deps="libtheora"
703
mp3lame_encoder_deps="libmp3lame"
704
libvorbis_decoder_deps="libvorbis"
705
libvorbis_encoder_deps="libvorbis"
706

    
707
# demuxers / muxers
708
ac3_demuxer_deps="ac3_parser"
709
audio_demuxer_deps_any="audio_oss audio_beos"
710
audio_muxer_deps_any="audio_oss audio_beos"
711
dc1394_demuxer_deps="dc1394"
712
dv1394_demuxer_deps="dv1394"
713
gxf_muxer_deps="gpl"
714
libnut_demuxer_deps="libnut"
715
libnut_muxer_deps="libnut"
716
ogg_muxer_deps="libogg"
717
redir_demuxer_deps="network"
718
rtp_muxer_deps="network mpegts_demuxer"
719
rtsp_demuxer_deps="rtp_protocol rtp_muxer"
720
sdp_demuxer_deps="rtsp_demuxer"
721
v4l2_demuxer_deps="v4l2"
722
video_grab_bktr_demuxer_deps="bktr"
723
video_grab_v4l_demuxer_deps="v4l"
724
x11_grab_device_demuxer_deps="x11grab"
725

    
726
# protocols
727
http_protocol_deps="network"
728
rtp_protocol_deps="udp_protocol"
729
tcp_protocol_deps="network"
730
udp_protocol_deps="network"
731

    
732
# programs
733
ffplay_deps="sdl"
734
ffserver_deps="muxers rtp_protocol"
735

    
736

    
737
# set temporary file name
738
if test ! -z "$TMPDIR" ; then
739
    TMPDIR1="${TMPDIR}"
740
elif test ! -z "$TEMPDIR" ; then
741
    TMPDIR1="${TEMPDIR}"
742
else
743
    TMPDIR1="/tmp"
744
fi
745

    
746
TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
747
TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
748
TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
749
TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
750
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
751

    
752
# default parameters
753

    
754
logging="yes"
755
logfile="config.err"
756

    
757
# installation paths
758
PREFIX="/usr/local"
759
libdir='${PREFIX}/lib'
760
shlibdir="$libdir"
761
incdir='${PREFIX}/include/ffmpeg'
762
mandir='${PREFIX}/man'
763
bindir='${PREFIX}/bin'
764

    
765
# toolchain
766
cross_prefix=""
767
cross_compile="no"
768
cc="gcc"
769
ar="ar"
770
ranlib="ranlib"
771
make="make"
772
strip="strip"
773
asmalign_pot="unknown"
774

    
775
# machine
776
arch=`uname -m`
777
cpu="generic"
778
powerpc_perf="no"
779
mmx="default"
780
cmov="no"
781
fast_cmov="no"
782
fast_unaligned="no"
783
armv5te="default"
784
armv6="default"
785
iwmmxt="default"
786
altivec="default"
787
dcbzl="no"
788
mmi="default"
789
bigendian="no"
790

    
791
# OS
792
targetos=$(tolower $(uname -s))
793
beos_netserver="no"
794
os2="no"
795

    
796
# non-library system interfaces
797
audio_beos="default"
798
audio_oss="yes"
799
bktr="yes"
800
dv1394="yes"
801
v4l2="yes"
802
v4l="yes"
803

    
804
# libraries
805
avisynth="no"
806
dc1394="no"
807
dlfcn_h="no"
808
dlopen="no"
809
liba52="no"
810
liba52bin="no"
811
libamr_nb="no"
812
libamr_wb="no"
813
libdts="no"
814
libfaac="no"
815
libfaad2="no"
816
libfaad="no"
817
libfaadbin="no"
818
libgsm="no"
819
libmp3lame="no"
820
libnut="no"
821
libogg="no"
822
libtheora="no"
823
libvorbis="no"
824
mlib="no"
825
x11grab="no"
826
x264="no"
827
xvid="no"
828
zlib="yes"
829

    
830
# configurable options
831
debug="yes"
832
dostrip="yes"
833
extra_warnings="no"
834
ffmpeg="yes"
835
ffplay="yes"
836
ffserver="yes"
837
gpl="no"
838
gprof="no"
839
ipv6="yes"
840
shared="no"
841
static="yes"
842
memalign_hack="no"
843
mpegaudio_hp="yes"
844
network="yes"
845
optimize="yes"
846
pp="no"
847
protocols="yes"
848
swscaler="no"
849
vhook="default"
850

    
851
# threading
852
beosthreads="no"
853
os2threads="no"
854
pthreads="no"
855
w32threads="no"
856
thread_type="no"
857

    
858
# build settings
859
SHFLAGS='-shared -Wl,-soname,$@'
860
VHOOKSHFLAGS='$(SHFLAGS)'
861
LIBOBJFLAGS=""
862
FFLDFLAGS=-Wl,--warn-common
863
LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
864
FFSERVERLDFLAGS=-Wl,-E
865
LDCONFIG="ldconfig"
866
LIBPREF="lib"
867
LIBSUF=".a"
868
LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
869
SLIBPREF="lib"
870
SLIBSUF=".so"
871
SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
872
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
873
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
874
EXESUF=""
875
BUILDSUF=""
876
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
877

    
878
# find source path
879
source_path="`dirname \"$0\"`"
880
source_path_used="yes"
881
if test -z "$source_path" -o "$source_path" = "." ; then
882
    source_path="`pwd`"
883
    source_path_used="no"
884
else
885
    source_path="`cd \"$source_path\"; pwd`"
886
    echo "$source_path" | grep -q '[[:blank:]]' &&
887
      die "Out of tree builds are impossible with whitespace in source path."
888
fi
889

    
890
if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
891
    show_help
892
fi
893

    
894
FFMPEG_CONFIGURATION="$@"
895

    
896
ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
897
DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
898
PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
899
MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
900
DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
901
PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
902

    
903
enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST
904

    
905
die_unknown(){
906
    echo "Unknown option \"$1\"."
907
    echo "See $0 --help for available options."
908
    exit 1
909
}
910

    
911
for opt do
912
  optval="${opt#*=}"
913
  case "$opt" in
914
  --log)
915
  ;;
916
  --log=*) logging="$optval"
917
  ;;
918
  --prefix=*) PREFIX="$optval"
919
  ;;
920
  --libdir=*) libdir="$optval"
921
  ;;
922
  --shlibdir=*) shlibdir="$optval"
923
  ;;
924
  --incdir=*) incdir="$optval"
925
  ;;
926
  --mandir=*) mandir="$optval"
927
  ;;
928
  --source-path=*) source_path="$optval"
929
  ;;
930
  --cross-prefix=*) cross_prefix="$optval"
931
  ;;
932
  --cross-compile) cross_compile="yes"
933
  ;;
934
  --target-os=*) targetos="$optval"
935
  ;;
936
  --cc=*) cc="$optval"
937
  ;;
938
  --make=*) make="$optval"
939
  ;;
940
  --extra-cflags=*) add_cflags "$optval"
941
  ;;
942
  --extra-ldflags=*) add_ldflags "$optval"
943
  ;;
944
  --extra-libs=*) add_extralibs "$optval"
945
  ;;
946
  --build-suffix=*) BUILDSUF="$optval"
947
  ;;
948
  --arch=*) arch="$optval"
949
  ;;
950
  --cpu=*) cpu="$optval"
951
  ;;
952
  --disable-opts) optimize="no"
953
  ;;
954
  --enable-small) optimize="small"
955
  ;;
956
  --enable-sunmlib) mlib="yes"
957
  ;;
958
  --disable-strip) dostrip="no"
959
  ;;
960
  --disable-encoders) disable $ENCODER_LIST
961
  ;;
962
  --disable-decoders) disable $DECODER_LIST
963
  ;;
964
  --disable-muxers) disable $MUXER_LIST
965
  ;;
966
  --disable-demuxers) disable $DEMUXER_LIST
967
  ;;
968
  --disable-parsers) disable $PARSER_LIST
969
  ;;
970
  --disable-protocols) disable $PROTOCOL_LIST
971
  ;;
972
  --enable-*=*|--disable-*=*)
973
  eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
974
  case "$thing" in
975
      encoder|decoder|muxer|demuxer|parser|protocol) $action ${optval}_${thing} ;;
976
      *) die_unknown "$opt" ;;
977
  esac
978
  ;;
979
  --enable-?*|--disable-?*)
980
  eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
981
  echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
982
  $action $option
983
  ;;
984
  --help) show_help
985
  ;;
986
  *)
987
  die_unknown $opt
988
  ;;
989
  esac
990
done
991

    
992
case "$arch" in
993
  i386|i486|i586|i686|i86pc|BePC)
994
    arch="x86_32"
995
    enable fast_unaligned
996
  ;;
997
  x86_64|amd64)
998
    arch="x86_32"
999
    enable fast_unaligned
1000
    canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1001
    if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1002
      if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
1003
        arch="x86_64"
1004
        enable fast_64bit
1005
      fi
1006
    fi
1007
  ;;
1008
  # armv4l is a subset of armv[567]*l
1009
  arm|armv[4567]*l)
1010
    arch="armv4l"
1011
  ;;
1012
  alpha)
1013
    arch="alpha"
1014
    enable fast_64bit
1015
  ;;
1016
  "Power Macintosh"|ppc|powerpc)
1017
    arch="powerpc"
1018
  ;;
1019
  ppc64)
1020
    arch="powerpc"
1021
    enable fast_64bit
1022
  ;;
1023
  mips|mipsel|IP*)
1024
    arch="mips"
1025
  ;;
1026
  sun4u|sparc64)
1027
    arch="sparc64"
1028
    enable fast_64bit
1029
  ;;
1030
  sparc)
1031
    arch="sparc"
1032
  ;;
1033
  sh4)
1034
    arch="sh4"
1035
  ;;
1036
  parisc)
1037
    arch="parisc"
1038
  ;;
1039
  parisc64)
1040
    arch="parisc"
1041
    enable fast_64bit
1042
  ;;
1043
  s390|s390x)
1044
    arch="s390"
1045
  ;;
1046
  m68k)
1047
    arch="m68k"
1048
  ;;
1049
  ia64)
1050
    arch="ia64"
1051
    enable fast_64bit
1052
  ;;
1053
  bfin)
1054
    arch="bfin"
1055
  ;;
1056
  *)
1057
    arch="unknown"
1058
  ;;
1059
esac
1060

    
1061
# OS specific
1062
osextralibs="-lm"
1063
case $targetos in
1064
  beos|haiku|zeta)
1065
    PREFIX="$HOME/config"
1066
    # helps building libavcodec
1067
    add_cflags "-DPIC -fomit-frame-pointer"
1068
    # 3 gcc releases known for BeOS, each with ugly bugs
1069
    gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1070
    case "$gcc_version" in
1071
      2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1072
        mmx="no"
1073
        ;;
1074
      *20010315*) echo "BeBits gcc"
1075
        add_cflags "-fno-expensive-optimizations"
1076
        ;;
1077
    esac
1078
    LDCONFIG="echo ignoring ldconfig"
1079
    SHFLAGS=-nostart
1080
    # disable Linux things
1081
    dv1394="no"
1082
    # enable BeOS things
1083
    disabled audio_beos || enable_audio_beos
1084
    # no need for libm, but the inet stuff
1085
    # Check for BONE
1086
    # XXX: actually should check for NOT net_server
1087
    if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1088
        osextralibs="-lbind -lsocket"
1089
    else
1090
        beos_netserver="yes"
1091
        osextralibs="-lnet"
1092
    fi ;;
1093
  sunos)
1094
    dv1394="no"
1095
    FFLDFLAGS=""
1096
    FFSERVERLDFLAGS=""
1097
    SHFLAGS="-shared -Wl,-h,\$@"
1098
    add_extralibs "-lsocket -lnsl"
1099
    ;;
1100
  netbsd)
1101
    dv1394="no"
1102
    add_extralibs "-lossaudio"
1103
    ;;
1104
  openbsd)
1105
    dv1394="no"
1106
    need_memalign="no"
1107
    LIBOBJFLAGS="\$(PIC)"
1108
    LDCONFIG="ldconfig -m \$(shlibdir)"
1109
    SHFLAGS='-shared'
1110
    SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1111
    SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1112
    SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1113
    add_extralibs "-lossaudio"
1114
    ;;
1115
  freebsd)
1116
    dv1394="no"
1117
    need_memalign="no"
1118
    add_cflags "-pthread"
1119
    ;;
1120
  gnu/kfreebsd)
1121
    dv1394="no"
1122
    add_cflags "-pthread"
1123
    ;;
1124
  bsd/os)
1125
    dv1394="no"
1126
    osextralibs="-lpoll -lgnugetopt -lm"
1127
    strip="strip -d"
1128
    ;;
1129
  darwin)
1130
    dv1394="no"
1131
    need_memalign="no"
1132
    SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1133
    VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1134
    osextralibs=""
1135
    strip="strip -x"
1136
    FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1137
    SLIBSUF=".dylib"
1138
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1139
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1140
    FFSERVERLDFLAGS=-Wl,-bind_at_load
1141
    ;;
1142
  mingw32*)
1143
    targetos=mingw32
1144
    if enabled_all shared static; then
1145
        cat <<EOF
1146
You can only build one library type at once on MinGW.
1147
Specify --disable-static --enable-shared to only build
1148
the shared libraries. To build only the static libraries
1149
you do not need to pass additional options.
1150
EOF
1151
        exit 1
1152
    fi
1153
    dv1394="no"
1154
    ffserver="no"
1155
    network="no"
1156
    SLIBPREF=""
1157
    SLIBSUF=".dll"
1158
    EXESUF=".exe"
1159
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1160
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1161
    SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1162
    SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1163
    SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1164
    add_extralibs -lws2_32
1165
    ;;
1166
  cygwin*)
1167
    targetos=cygwin
1168
    shlibdir="$bindir"
1169
    dv1394="no"
1170
    VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1171
    VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1172
    osextralibs=""
1173
    EXESUF=".exe"
1174
    SLIBPREF="cyg"
1175
    SLIBSUF=".dll"
1176
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1177
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1178
    SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1179
    ;;
1180
  linux)
1181
    LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1182
    ;;
1183
  irix*)
1184
    targetos=irix
1185
    ranlib="echo ignoring ranlib"
1186
    ;;
1187
  os/2)
1188
    TMPE=$TMPE".exe"
1189
    ar="emxomfar -p128"
1190
    ranlib="echo ignoring ranlib"
1191
    strip="echo ignoring strip"
1192
    add_cflags "-Zomf"
1193
    FFLDFLAGS="-Zomf -Zstack 16384 -s"
1194
    SHFLAGS="-Zdll -Zomf"
1195
    FFSERVERLDFLAGS=""
1196
    LIBPREF=""
1197
    LIBSUF=".lib"
1198
    SLIBPREF=""
1199
    SLIBSUF=".dll"
1200
    EXESUF=".exe"
1201
    osextralibs=""
1202
    pkg_requires=""
1203
    dv1394="no"
1204
    ffserver="no"
1205
    vhook="no"
1206
    os2="yes"
1207
    ;;
1208
  *)
1209
    targetos="${targetos}-UNKNOWN"
1210
    ;;
1211
esac
1212

    
1213
add_extralibs $osextralibs
1214

    
1215
if ! disabled logging ; then
1216
    enabled logging || logfile="$logging"
1217
    echo "# $0 $@" >$logfile
1218
    set >>$logfile
1219
else
1220
    logfile=/dev/null
1221
fi
1222

    
1223
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1224
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1225

    
1226
test -n "$cross_prefix" && cross_compile=yes
1227
cc="${cross_prefix}${cc}"
1228
ar="${cross_prefix}${ar}"
1229
ranlib="${cross_prefix}${ranlib}"
1230
strip="${cross_prefix}${strip}"
1231

    
1232
# we need to build at least one lib type
1233
if disabled_all static shared; then
1234
    cat <<EOF
1235
At least one library type must be built.
1236
Specify --enable-static to build the static libraries or --enable-shared to
1237
build the shared libraries as well. To only build the shared libraries specify
1238
--disable-static in addition to --enable-shared.
1239
EOF
1240
    exit 1;
1241
fi
1242

    
1243
if disabled libogg; then
1244
    enabled libtheora && die "libogg must be enabled to enable libtheora."
1245
    enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1246
fi
1247

    
1248
if enabled_any libfaad libfaadbin ; then
1249
    if check_header faad.h; then
1250
        check_cc << EOF
1251
#include <faad.h>
1252
#ifndef FAAD2_VERSION
1253
ok faad1
1254
#endif
1255
int main( void ) { return 0; }
1256
EOF
1257
        test $? = 0 && enable libfaad2
1258
    else
1259
        die "FAAD test failed."
1260
    fi
1261
fi
1262

    
1263

    
1264
if disabled gpl ; then
1265
    die_gpl_disabled(){
1266
        name=$1
1267
        shift
1268
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1269
    }
1270
    die_gpl_disabled "The Postprocessing code" pp
1271
    die_gpl_disabled "liba52"                  liba52
1272
    die_gpl_disabled "libxvidcore"             xvid
1273
    die_gpl_disabled "x264"                    x264
1274
    die_gpl_disabled "libdts"                  libdts
1275
    die_gpl_disabled "FAAD2"                   libfaad2
1276
    die_gpl_disabled "The X11 grabber"         x11grab
1277
    die_gpl_disabled "The software scaler"     swscaler
1278
fi
1279

    
1280
# compute MMX state
1281
if test $mmx = "default"; then
1282
    if test $arch = "x86_32" -o $arch = "x86_64"; then
1283
        mmx="yes"
1284
    else
1285
        mmx="no"
1286
    fi
1287
fi
1288

    
1289
test -z "$need_memalign" && need_memalign="$mmx"
1290

    
1291
#Darwin CC versions
1292
needmdynamicnopic="no"
1293
if test $targetos = darwin; then
1294
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1295
        add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1296
    else
1297
        add_cflags "-no-cpp-precomp -pipe"
1298
        check_cflags "-force_cpusubtype_ALL"
1299
        check_cflags "-Wno-sign-compare"
1300
        disabled shared && needmdynamicnopic="yes"
1301
    fi
1302
fi
1303
enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1304

    
1305
disabled optimize || add_cflags -fomit-frame-pointer
1306

    
1307
# Can only do AltiVec on PowerPC
1308
if test $altivec = "default"; then
1309
    if test $arch = "powerpc"; then
1310
        altivec="yes"
1311
    else
1312
        altivec="no"
1313
    fi
1314
fi
1315

    
1316
# Add processor-specific flags
1317
POWERPCMODE="32bits"
1318
if test $cpu != "generic"; then
1319
    warn_altivec(){
1320
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1321
    }
1322
    case $cpu in
1323
        601|ppc601|PowerPC601)
1324
            add_cflags "-mcpu=601"
1325
            warn_altivec enabled PPC601
1326
        ;;
1327
        603*|ppc603*|PowerPC603*)
1328
            add_cflags "-mcpu=603"
1329
            warn_altivec enabled PPC603
1330
        ;;
1331
        604*|ppc604*|PowerPC604*)
1332
            add_cflags "-mcpu=604"
1333
            warn_altivec enabled PPC604
1334
        ;;
1335
        G3|g3|75*|ppc75*|PowerPC75*)
1336
            add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1337
            warn_altivec enabled PPC75x
1338
        ;;
1339
        G4|g4|745*|ppc745*|PowerPC745*)
1340
            add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1341
            warn_altivec disabled PPC745x
1342
        ;;
1343
        74*|ppc74*|PowerPC74*)
1344
            add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1345
            warn_altivec disabled PPC74xx
1346
        ;;
1347
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1348
            add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1349
            warn_altivec disabled PPC970
1350
            POWERPCMODE="64bits"
1351
        ;;
1352
        # targets that do NOT support conditional mov (cmov)
1353
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1354
            add_cflags "-march=$cpu"
1355
            cmov="no"
1356
        ;;
1357
        # targets that do support conditional mov (cmov)
1358
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1359
            add_cflags "-march=$cpu"
1360
            cmov="yes"
1361
            fast_cmov="yes"
1362
        ;;
1363
        # targets that do support conditional mov but on which it's slow
1364
        pentium4|prescott|nocona)
1365
            add_cflags "-march=$cpu"
1366
            cmov="yes"
1367
            fast_cmov="no"
1368
        ;;
1369
        sparc64)
1370
            add_cflags "-mcpu=v9"
1371
        ;;
1372
        bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1373
            add_cflags "-mfdpic"
1374
            add_ldflags "-mfdpic"
1375
        ;;
1376
        *)
1377
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1378
        ;;
1379
    esac
1380
fi
1381

    
1382
gnu_make(){
1383
    $1 --version 2>&1 | grep -q GNU
1384
}
1385

    
1386
if ! gnu_make $make; then
1387
    gnu_make gmake && make=gmake || die "GNU make not found."
1388
fi
1389

    
1390
# make sure we can execute files in $TMPDIR
1391
cat >$TMPE 2>>$logfile <<EOF
1392
#! /bin/sh
1393
EOF
1394
chmod +x $TMPE >>$logfile 2>&1
1395
if ! $TMPE >>$logfile 2>&1; then
1396
    cat <<EOF
1397
Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1398
variable to another directory and make sure that $TMPDIR1 is not mounted
1399
noexec.
1400
EOF
1401
    die "Sanity test failed."
1402
fi
1403
rm $TMPE
1404

    
1405
# compiler sanity check
1406
check_exec <<EOF
1407
int main(){
1408
    return 0;
1409
}
1410
EOF
1411
if test "$?" != 0; then
1412
    echo "$cc is unable to create an executable file."
1413
    if test -z "$cross_prefix" && disabled cross_compile ; then
1414
        echo "If $cc is a cross-compiler, use the --cross-compile option."
1415
        echo "Only do this if you know what cross compiling means."
1416
    fi
1417
    die "C compiler test failed."
1418
fi
1419

    
1420
if test $arch = "x86_32" -o $arch = "x86_64"; then
1421
    # check whether EBP is available on x86
1422
    # As 'i' is stored on the stack, this program will crash
1423
    # if the base pointer is used to access it because the
1424
    # base pointer is cleared in the inline assembly code.
1425
    check_exec_crash <<EOF && enable ebp_available
1426
    volatile int i=0;
1427
    asm volatile (
1428
        "xorl %%ebp, %%ebp"
1429
    ::: "%ebp");
1430
    return i;
1431
EOF
1432

    
1433
    # check wether EBX is available on x86
1434
    check_cc <<EOF && enable ebx_available
1435
int main(){
1436
    asm volatile ("":::"%ebx");
1437
}
1438
EOF
1439
fi
1440

    
1441
# check for assembler specific support
1442

    
1443
if test $arch = "powerpc"; then
1444
check_cc <<EOF && dcbzl=yes
1445
int main(void) {
1446
    register long zero = 0;
1447
    char data[1024];
1448
    asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1449
return 0;
1450
}
1451
EOF
1452
fi
1453

    
1454
# check for SIMD availability
1455

    
1456
# AltiVec flags: The FSF version of GCC differs from the Apple version
1457
if test $arch = "powerpc"; then
1458
    if enabled altivec; then
1459
        if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1460
            add_cflags "-faltivec"
1461
        else
1462
            add_cflags "-maltivec -mabi=altivec"
1463
        fi
1464
    fi
1465
fi
1466

    
1467
check_header altivec.h
1468

    
1469
# check if our compiler supports Motorola AltiVec C API
1470
if enabled altivec; then
1471
    if enabled altivec_h; then
1472
        inc_altivec_h="#include <altivec.h>"
1473
    else
1474
        inc_altivec_h=
1475
    fi
1476
    check_cc <<EOF || altivec=no
1477
$inc_altivec_h
1478
int main(void) {
1479
    vector signed int v1, v2, v3;
1480
    v1 = vec_add(v2,v3);
1481
    return 0;
1482
}
1483
EOF
1484
fi
1485

    
1486
# check armv5te instructions support
1487
if test $armv5te = "default" -a $arch = "armv4l"; then
1488
    armv5te=no
1489
    check_cc <<EOF && armv5te=yes
1490
        int main(void) {
1491
        __asm__ __volatile__ ("qadd r0, r0, r0");
1492
        }
1493
EOF
1494
fi
1495

    
1496
if test $armv6 = "default" -a $arch = "armv4l"; then
1497
    check_cc <<EOF && armv6=yes || armv6=no
1498
int main(void) {
1499
    __asm__ __volatile__ ("sadd16 r0, r0, r0");
1500
}
1501
EOF
1502
fi
1503

    
1504
# check iwmmxt support
1505
if test $iwmmxt = "default" -a $arch = "armv4l"; then
1506
    iwmmxt=no
1507
    check_cc <<EOF && iwmmxt=yes
1508
        int main(void) {
1509
        __asm__ __volatile__ ("wunpckelub wr6, wr4");
1510
        }
1511
EOF
1512
fi
1513

    
1514
# mmi only available on mips
1515
if test $mmi = "default"; then
1516
    if test $arch = "mips"; then
1517
        mmi="yes"
1518
    else
1519
        mmi="no"
1520
    fi
1521
fi
1522

    
1523
# check if our compiler supports mmi
1524
enabled mmi && check_cc <<EOF || mmi="no"
1525
int main(void) {
1526
    __asm__ ("lq \$2, 0(\$2)");
1527
    return 0;
1528
}
1529
EOF
1530

    
1531
# ---
1532
# big/little-endian test
1533
if disabled cross_compile; then
1534
    check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1535
#include <inttypes.h>
1536
int main(int argc, char ** argv){
1537
        volatile uint32_t i=0x01234567;
1538
        return (*((uint8_t*)(&i))) == 0x67;
1539
}
1540
EOF
1541
else
1542
    # programs cannot be launched if cross compiling, so make a static guess
1543
    if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1544
        bigendian="yes"
1545
    fi
1546
fi
1547

    
1548
# ---
1549
# check availability of some header files
1550

    
1551
check_header malloc.h
1552
check_func memalign
1553

    
1554
if disabled_all memalign memalign_hack && enabled need_memalign ; then
1555
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1556
fi
1557

    
1558
check_header byteswap.h
1559

    
1560
check_header arpa/inet.h
1561

    
1562
check_func inet_aton
1563
check_func localtime_r
1564
enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1565

    
1566
# ffserver uses poll(),
1567
# if it's not found we can emulate it using select().
1568
if enabled ffserver; then
1569
    check_header sys/poll.h
1570
fi
1571

    
1572
# check for some common methods of building with pthread support
1573
# do this before the optional library checks as some of them require pthreads
1574
if enabled pthreads; then
1575
    if check_func pthread_create; then
1576
        :
1577
    elif check_func pthread_create -pthread; then
1578
        add_cflags -pthread
1579
        add_ldflags -pthread
1580
    elif check_func pthread_create -pthreads; then
1581
        add_cflags -pthreads
1582
        add_ldflags -pthreads
1583
    elif ! check_lib pthread.h pthread_create -lpthread; then
1584
        die "ERROR: can't find pthreads library"
1585
    fi
1586
fi
1587

    
1588
for thread in $THREADS_LIST; do
1589
    if enabled $thread; then
1590
        if ! disabled thread_type ; then
1591
            die "ERROR: Only one thread type must be selected."
1592
        else
1593
            thread_type="$thread"
1594
        fi
1595
    fi
1596
done
1597

    
1598
enabled_any libamr_nb libamr_wb && enable libamr
1599

    
1600
# these are off by default, so fail if requested and not available
1601
enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1602
enabled libamr_nb  && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1603
enabled libamr_wb  && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1604
enabled libdts     && require libdts dts.h dts_init -ldts -lm
1605
enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1606
enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1607
enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1608
enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1609
enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1610
enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1611
enabled xvid       && require XviD xvid.h xvid_global -lxvidcore
1612
enabled x264       && require x264 x264.h x264_encoder_open -lx264
1613
enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1614
enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1615
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1616
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1617
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1618

    
1619
# test for lrintf in math.h
1620
check_exec <<EOF && lrintf=yes || lrintf=no
1621
#define _ISOC9X_SOURCE  1
1622
#include <math.h>
1623
int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1624
EOF
1625

    
1626
_restrict=
1627
for restrict_keyword in restrict __restrict__ __restrict; do
1628
    check_cc <<EOF && _restrict=$restrict_keyword && break
1629
void foo(char * $restrict_keyword p);
1630
EOF
1631
done
1632

    
1633
# dlopen/dlfcn.h probing
1634

    
1635
check_header dlfcn.h
1636

    
1637
if check_func dlopen; then
1638
    ldl=
1639
elif check_func dlopen -ldl; then
1640
    ldl=-ldl
1641
fi
1642

    
1643
test "$vhook" = "default" && vhook="$dlopen"
1644

    
1645
enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1646

    
1647
if test "$targetos" = cygwin && enabled static ; then
1648
    vhook="no"
1649
    echo
1650
    echo "At the moment vhooks don't work on Cygwin static builds."
1651
    echo "Patches welcome."
1652
    echo
1653
fi
1654

    
1655
if enabled vhook; then
1656
    check_ldflags -rdynamic
1657
    check_ldflags -export-dynamic
1658
fi
1659

    
1660
enabled audio_beos && add_extralibs "-lmedia -lbe"
1661

    
1662
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1663
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1664

    
1665
##########################################
1666
# SDL check
1667

    
1668
sdl_too_old=no
1669
sdl=no
1670
SDL_CONFIG="${cross_prefix}sdl-config"
1671
if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1672
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
1673
    temp_cflags $sdl_cflags
1674
    temp_extralibs `"${SDL_CONFIG}" --libs`
1675
    if check_lib SDL.h SDL_Init; then
1676
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1677
        if test "$_sdlversion" -lt 121 ; then
1678
            sdl_too_old=yes
1679
        else
1680
            sdl=yes
1681
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
1682
#include <SDL.h>
1683
int main(void){
1684
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1685
    int w = vi->current_w;
1686
    return 0;
1687
}
1688
EOF
1689
        fi
1690
    fi
1691
    restore_flags
1692
fi
1693

    
1694
texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1695

    
1696
##########################################
1697
# IPv6 check
1698

    
1699
enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1700
#include <sys/types.h>
1701
#include <sys/socket.h>
1702
#include <netinet/in.h>
1703
#include <netdb.h>
1704
int main( void ) {
1705
  struct sockaddr_storage saddr;
1706
  struct ipv6_mreq mreq6;
1707
  getaddrinfo(0,0,0,0);
1708
  getnameinfo(0,0,0,0,0,0,0);
1709
  IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1710
}
1711
EOF
1712

    
1713
enabled v4l  && check_header linux/videodev.h  || disable v4l
1714
enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1715

    
1716
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1717
if enabled bktr; then
1718
    { check_header dev/bktr/ioctl_meteor.h &&
1719
      check_header dev/bktr/ioctl_bt848.h; } ||
1720
    { check_header machine/ioctl_meteor.h &&
1721
      check_header machine/ioctl_bt848.h; } ||
1722
    { check_header dev/video/meteor/ioctl_meteor.h &&
1723
      check_header dev/video/bktr/ioctl_bt848.h; } ||
1724
    check_header dev/ic/bt8xx.h ||
1725
    disable bktr
1726
fi
1727

    
1728
enabled audio_oss &&
1729
    check_header sys/soundcard.h ||
1730
    check_header soundcard.h ||
1731
    disable audio_oss
1732

    
1733
# Deal with the x11 frame grabber
1734
enabled x11grab                         &&
1735
enabled gpl                             &&
1736
enabled x11_grab_device_demuxer         &&
1737
check_header X11/Xlib.h                 &&
1738
check_header X11/extensions/XShm.h      &&
1739
check_func XOpenDisplay -lX11           &&
1740
check_func XShmCreateImage -lX11 -lXext &&
1741
add_extralibs -lX11 -lXext              ||
1742
disable x11_grab_device_demuxer
1743

    
1744
enabled debug && add_cflags -g
1745

    
1746
# add some useful compiler flags if supported
1747
check_cflags -Wdeclaration-after-statement
1748
check_cflags -Wall
1749
check_cflags -Wno-switch
1750
check_cflags -Wdisabled-optimization
1751
check_cflags -Wpointer-arith
1752
check_cflags -Wredundant-decls
1753
check_cflags -Wno-pointer-sign
1754
enabled extra_warnings && check_cflags -Winline
1755

    
1756
# add some linker flags
1757
check_ldflags $LDLATEFLAGS
1758

    
1759
# not all compilers support -Os
1760
test "$optimize" = "small" && check_cflags -Os
1761

    
1762
if enabled optimize; then
1763
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1764
        add_cflags  "-O5"
1765
        add_ldflags "-O5"
1766
    else
1767
        add_cflags "-O3"
1768
    fi
1769
fi
1770

    
1771
# PIC flags for shared library objects where they are needed
1772
if enabled shared; then
1773
    # LIBOBJFLAGS may have already been set in the OS configuration
1774
    if test -z "$LIBOBJFLAGS" ; then
1775
        case "$arch" in
1776
            x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1777
        esac
1778
    fi
1779
fi
1780

    
1781
if enabled gprof; then
1782
    add_cflags  "-p"
1783
    add_ldflags "-p"
1784
fi
1785

    
1786
VHOOKCFLAGS="-fPIC `echo $CFLAGS | sed s/-mdynamic-no-pic//`"
1787

    
1788
# find if .align arg is power-of-two or not
1789
if test $asmalign_pot = "unknown"; then
1790
    asmalign_pot="no"
1791
    echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1792
fi
1793

    
1794
enabled_any $ENCODER_LIST  && enable encoders
1795
enabled_any $DECODER_LIST  && enable decoders
1796
enabled_any $MUXER_LIST    && enable muxers
1797
enabled_any $DEMUXER_LIST  && enable demuxers
1798
enabled_any $PROTOCOL_LIST && enable protocols
1799

    
1800
enabled_any $THREADS_LIST  && enable threads
1801

    
1802
check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1803
    $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
1804

    
1805
enabled libogg    && append pkg_requires "ogg >= 1.1"
1806
enabled libtheora && append pkg_requires "theora"
1807
enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1808
enabled dc1394    && append pkg_requires "libraw1394"
1809

    
1810
echo "install prefix            $PREFIX"
1811
echo "source path               $source_path"
1812
echo "C compiler                $cc"
1813
echo "make                      $make"
1814
echo ".align is power-of-two    $asmalign_pot"
1815
echo "ARCH                      $arch ($cpu)"
1816
if test "$BUILDSUF" != ""; then
1817
    echo "build suffix              $BUILDSUF"
1818
fi
1819
echo "big-endian                $bigendian"
1820
if test $arch = "x86_32" -o $arch = "x86_64"; then
1821
    echo "MMX enabled               $mmx"
1822
    echo "CMOV enabled              $cmov"
1823
    echo "CMOV is fast              $fast_cmov"
1824
fi
1825
if test $arch = "armv4l"; then
1826
    echo "ARMv5TE enabled           $armv5te"
1827
    echo "ARMv6 enabled             $armv6"
1828
    echo "IWMMXT enabled            $iwmmxt"
1829
fi
1830
if test $arch = "mips"; then
1831
    echo "MMI enabled               $mmi"
1832
fi
1833
if test $arch = "powerpc"; then
1834
    echo "AltiVec enabled           $altivec"
1835
    echo "dcbzl available           $dcbzl"
1836
fi
1837
echo "gprof enabled             $gprof"
1838
echo "debug symbols             $debug"
1839
echo "strip symbols             $dostrip"
1840
echo "optimize                  $optimize"
1841
echo "static                    $static"
1842
echo "shared                    $shared"
1843
echo "postprocessing support    $pp"
1844
echo "software scaler enabled   $swscaler"
1845
echo "video hooking             $vhook"
1846
if enabled vhook; then
1847
    echo "Imlib2 support            $imlib2"
1848
    echo "FreeType support          $freetype2"
1849
fi
1850
echo "network support           $network"
1851
if enabled network; then
1852
    echo "IPv6 support              $ipv6"
1853
fi
1854
echo "threading support         $thread_type"
1855
echo "SDL support               $sdl"
1856
if enabled sdl_too_old; then
1857
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1858
fi
1859
echo "Sun medialib support      $mlib"
1860
echo "AVISynth enabled          $avisynth"
1861
echo "liba52 support            $liba52"
1862
echo "liba52 dlopened           $liba52bin"
1863
echo "libamr-nb support         $libamr_nb"
1864
echo "libamr-wb support         $libamr_wb"
1865
echo "libdts support            $libdts"
1866
echo "libfaac enabled           $libfaac"
1867
echo "libfaad enabled           $libfaad"
1868
echo "faadbin enabled           $libfaadbin"
1869
echo "libgsm enabled            $libgsm"
1870
echo "libmp3lame enabled        $libmp3lame"
1871
echo "libnut enabled            $libnut"
1872
echo "libogg enabled            $libogg"
1873
echo "libtheora enabled         $libtheora"
1874
echo "libvorbis enabled         $libvorbis"
1875
echo "x264 enabled              $x264"
1876
echo "XviD enabled              $xvid"
1877
echo "zlib enabled              $zlib"
1878
if disabled gpl; then
1879
    echo "License: LGPL"
1880
else
1881
    echo "License: GPL"
1882
fi
1883

    
1884
echo "Creating config.mak and config.h..."
1885

    
1886
echo "# Automatically generated by configure - do not modify!" > config.mak
1887
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1888
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1889

    
1890
echo "PREFIX=$PREFIX" >> config.mak
1891
echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1892
echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1893
echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1894
echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1895
echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1896
echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1897
echo "MAKE=$make" >> config.mak
1898
echo "CC=$cc" >> config.mak
1899
echo "AR=$ar" >> config.mak
1900
echo "RANLIB=$ranlib" >> config.mak
1901
if enabled dostrip; then
1902
    echo "STRIP=$strip" >> config.mak
1903
else
1904
    echo "STRIP=echo ignoring strip" >> config.mak
1905
fi
1906

    
1907
echo "OPTFLAGS=$CFLAGS" >> config.mak
1908
echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1909
echo "LDFLAGS=$LDFLAGS" >> config.mak
1910
echo "LDCONFIG=$LDCONFIG" >> config.mak
1911
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1912
echo "SHFLAGS=$SHFLAGS" >> config.mak
1913
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1914
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1915
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1916
echo "BUILD_STATIC=$static" >> config.mak
1917
echo "BUILDSUF=$BUILDSUF" >> config.mak
1918
echo "LIBPREF=$LIBPREF" >> config.mak
1919
echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1920
if enabled static; then
1921
  echo "LIB=$LIB" >> config.mak
1922
else # Some Make complain if this variable does not exist.
1923
  echo "LIB=" >> config.mak
1924
fi
1925
echo "SLIBPREF=$SLIBPREF" >> config.mak
1926
echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1927
echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1928

    
1929
ucarch=`toupper $arch`
1930
echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1931
echo "#define ARCH_${ucarch} 1" >> $TMPH
1932

    
1933
# special cases
1934
case "$arch" in
1935
    x86_32|x86_64)
1936
        echo "TARGET_ARCH_X86=yes" >> config.mak
1937
        echo "#define ARCH_X86 1" >> $TMPH
1938
        ;;
1939
    powerpc)
1940
        if test "$POWERPCMODE" = "64bits"; then
1941
            echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1942
        fi
1943
        ;;
1944
    sparc64)
1945
        echo "TARGET_ARCH_SPARC=yes" >> config.mak
1946
        echo "#define ARCH_SPARC 1" >> $TMPH
1947
        ;;
1948
esac
1949

    
1950
if enabled bigendian; then
1951
  echo "WORDS_BIGENDIAN=yes" >> config.mak
1952
  echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1953
fi
1954
if enabled mmx; then
1955
  echo "#define __CPU__ 586" >> $TMPH
1956
fi
1957

    
1958
if enabled sdl; then
1959
  echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1960
  echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1961
fi
1962
if enabled texi2html; then
1963
  echo "BUILD_DOC=yes" >> config.mak
1964
fi
1965

    
1966
sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1967
pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1968
lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1969
lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1970
lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1971

    
1972

    
1973

    
1974
if enabled shared; then
1975
  echo "BUILD_SHARED=yes" >> config.mak
1976
  echo "PIC=-fPIC -DPIC" >> config.mak
1977
  echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1978
  echo "SPPVERSION=$pp_version" >> config.mak
1979
  echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1980
  echo "LAVCVERSION=$lavc_version" >> config.mak
1981
  echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1982
  echo "LAVFVERSION=$lavf_version" >> config.mak
1983
  echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1984
  echo "LAVUVERSION=$lavu_version" >> config.mak
1985
  echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1986
  echo "SWSVERSION=$sws_version" >> config.mak
1987
  echo "SLIBNAME=${SLIBNAME}" >> config.mak
1988
  echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1989
  echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1990
  echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1991
  echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1992
fi
1993
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1994
echo "EXTRALIBS=$extralibs" >> config.mak
1995

    
1996
print_config HAVE_   $TMPH config.mak $HAVE_LIST
1997
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1998
print_config TARGET_ $TMPH config.mak $TARGET_LIST
1999

    
2000
if test "$targetos" = darwin; then
2001
  echo "#define CONFIG_DARWIN 1"  >> $TMPH
2002
fi
2003

    
2004
echo "#define restrict $_restrict" >> $TMPH
2005

    
2006
if test "$optimize" = "small"; then
2007
  echo "#define always_inline"  >> $TMPH
2008
  echo "#define CONFIG_SMALL 1" >> $TMPH
2009
fi
2010

    
2011
echo "SRC_PATH=\"$source_path\"" >> config.mak
2012
echo "SRC_PATH_BARE=$source_path" >> config.mak
2013
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2014

    
2015
# Apparently it's not possible to portably echo a backslash.
2016
if enabled asmalign_pot; then
2017
  printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2018
else
2019
  printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2020
fi
2021

    
2022

    
2023
for part in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST; do
2024
    ucname="`toupper $part`"
2025
    config_name="CONFIG_$ucname"
2026
    enabled_name="ENABLE_$ucname"
2027
    if enabled $part; then
2028
        echo "#define $config_name 1" >> $TMPH
2029
        echo "#define $enabled_name 1" >> $TMPH
2030
        echo "$config_name=yes" >> config.mak
2031
    else
2032
        echo "#define $enabled_name 0" >> $TMPH
2033
    fi
2034
done
2035

    
2036
# Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2037
if ! cmp -s $TMPH config.h; then
2038
        mv -f $TMPH config.h
2039
else
2040
        echo "config.h is unchanged"
2041
fi
2042

    
2043
rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2044

    
2045
# build tree in object directory if source path is different from current one
2046
if enabled source_path_used; then
2047
    DIRS="\
2048
         doc \
2049
         libavformat \
2050
         libavcodec \
2051
         libavcodec/alpha \
2052
         libavcodec/armv4l \
2053
         libavcodec/bfin \
2054
         libavcodec/i386 \
2055
         libavcodec/sparc \
2056
         libavcodec/mlib \
2057
         libavcodec/ppc \
2058
         libpostproc \
2059
         libavutil \
2060
         libswscale \
2061
         tests \
2062
         vhook \
2063
         "
2064
    FILES="\
2065
          Makefile \
2066
          common.mak \
2067
          libavformat/Makefile \
2068
          libavcodec/Makefile \
2069
          libpostproc/Makefile \
2070
          libavutil/Makefile \
2071
          libswscale/Makefile \
2072
          tests/Makefile \
2073
          vhook/Makefile \
2074
          doc/Makefile \
2075
          doc/texi2pod.pl \
2076
          "
2077
    for dir in $DIRS ; do
2078
            mkdir -p $dir
2079
    done
2080
    for f in $FILES ; do
2081
        ln -sf "$source_path/$f" $f
2082
    done
2083
fi
2084

    
2085

    
2086
# build pkg-config files
2087
# FIXME: libdir and includedir are hardcoded and may differ from the real path.
2088

    
2089
pkgconfig_generate(){
2090
name=$1
2091
comment=$2
2092
version=$3
2093
libs=$4
2094
requires=$5
2095
include=$6
2096
cat <<EOF >$name.pc
2097
prefix=$PREFIX
2098
exec_prefix=\${prefix}
2099
libdir=\${exec_prefix}/lib
2100
includedir=\${prefix}/include
2101

    
2102
Name: $name
2103
Description: $comment
2104
Version: $version
2105
Requires: $requires
2106
Conflicts:
2107
Libs: -L\${libdir} $libs
2108
Cflags: -I\${includedir} -I\${includedir}/$include
2109
EOF
2110
}
2111

    
2112
pkgconfig_generate_uninstalled(){
2113
name=$1
2114
shortname=${name#lib}
2115
comment=$2
2116
version=$3
2117
libs=$4
2118
requires=$5
2119
cat <<EOF >$name-uninstalled.pc
2120
prefix=
2121
exec_prefix=
2122
libdir=\${pcfiledir}/$name
2123
includedir=\${pcfiledir}/$name
2124

    
2125
Name: $name
2126
Description: $comment
2127
Version: $version
2128
Requires: $requires
2129
Conflicts:
2130
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2131
Cflags: -I\${includedir}
2132
EOF
2133
}
2134

    
2135
pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2136
pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2137

    
2138
pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2139
pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2140

    
2141
pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2142
pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2143

    
2144
if enabled pp; then
2145
  pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2146
  pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2147
fi
2148

    
2149
if enabled swscaler; then
2150
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2151
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2152
else
2153
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2154
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2155
  apply libswscale.pc sed s/^Libs:.*$/Libs:/
2156
  apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2157
fi