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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
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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-mingwce         enable MinGW native/cross WinCE compile"
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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-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]"
102
  echo "  --enable-amr_nb          enable amr_nb float audio codec"
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  echo "  --enable-amr_nb-fixed    use fixed point for amr-nb codec"
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  echo "  --enable-amr_wb          enable amr_wb float audio codec"
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  echo "  --enable-amr_if2         enable amr_wb IF2 audio codec"
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  echo ""
107
  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 [$cross_prefix]"
110
  echo "  --cross-compile          assume a cross-compiler is used"
111
  echo "  --target-os=OS           compiler targets OS [$targetos]"
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  echo "  --cc=CC                  use C compiler CC [$cc]"
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  echo "  --make=MAKE              use specified make [$make]"
114
  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
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  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
117
  echo "  --build-suffix=SUFFIX    suffix for application specific build []"
118
  echo "  --arch=ARCH              select architecture  [$arch]"
119
  echo "  --cpu=CPU                selects the minimum cpu required (affects"
120
  echo "                           instruction selection, may crash on older CPUs)"
121
  echo "  --enable-powerpc-perf    enable performance report on PPC"
122
  echo "                           (requires enabling PMC)"
123
  echo "  --disable-mmx            disable MMX usage"
124
  echo "  --disable-armv5te        disable armv5te usage"
125
  echo "  --disable-armv6          disable armv6 usage"
126
  echo "  --disable-iwmmxt         disable iwmmxt usage"
127
  echo "  --disable-altivec        disable AltiVec usage"
128
  echo "  --disable-audio-oss      disable OSS audio support [default=no]"
129
  echo "  --disable-audio-beos     disable BeOS audio support [default=no]"
130
  echo "  --disable-v4l            disable video4linux grabbing [default=no]"
131
  echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"
132
  echo "  --disable-bktr           disable bktr video grabbing [default=no]"
133
  echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"
134
  echo "  --disable-network        disable network support [default=no]"
135
  echo "  --disable-ipv6           disable ipv6 support [default=no]"
136
  echo "  --disable-zlib           disable zlib [default=no]"
137
  echo "  --disable-vhook          disable video hooking support"
138
  echo "  --disable-debug          disable debugging symbols"
139
  echo "  --disable-mpegaudio-hp   faster (but less accurate)"
140
  echo "                           MPEG audio decoding [default=no]"
141
  echo "  --disable-protocols      disable I/O protocols support [default=no]"
142
  echo "  --disable-ffmpeg         disable ffmpeg build"
143
  echo "  --disable-ffserver       disable ffserver build"
144
  echo "  --disable-ffplay         disable ffplay build"
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  echo "  --enable-small           optimize for size instead of speed"
146
  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
147
  echo "  --disable-encoder=NAME   disables encoder NAME"
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  echo "  --enable-encoder=NAME    enables encoder NAME"
149
  echo "  --disable-decoder=NAME   disables decoder NAME"
150
  echo "  --enable-decoder=NAME    enables decoder NAME"
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  echo "  --disable-encoders       disables all encoders"
152
  echo "  --disable-decoders       disables all decoders"
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  echo "  --disable-muxer=NAME     disables muxer NAME"
154
  echo "  --enable-muxer=NAME      enables muxer NAME"
155
  echo "  --disable-muxers         disables all muxers"
156
  echo "  --disable-demuxer=NAME   disables demuxer NAME"
157
  echo "  --enable-demuxer=NAME    enables demuxer NAME"
158
  echo "  --disable-demuxers       disables all demuxers"
159
  echo "  --enable-parser=NAME     enables parser NAME"
160
  echo "  --disable-parser=NAME    disables parser NAME"
161
  echo "  --disable-parsers        disables all parsers"
162
  echo
163
  echo "Developer options (useful when working on FFmpeg itself):"
164
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
165
  echo "  --disable-opts           disable compiler optimizations"
166
  echo "  --enable-extra-warnings  enable more compiler warnings"
167
  echo "  --disable-strip          disable stripping of executables and shared libraries"
168
  echo ""
169
  echo "NOTE: Object files are built at the place where configure is launched."
170
  exit 1
171
}
172

    
173
log(){
174
    echo "$@" >>$logfile
175
}
176

    
177
log_file(){
178
    log BEGIN $1
179
    cat -n $1 >>$logfile
180
    log END $1
181
}
182

    
183
echolog(){
184
    log "$@"
185
    echo "$@"
186
}
187

    
188
die(){
189
    echolog "$@"
190
    cat <<EOF
191
If you think configure made a mistake, make sure you are using the latest
192
version from SVN.  If the latest version fails, report the problem to the
193
ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
194
EOF
195
    if enabled logging; then
196
        cat <<EOF
197
Include the log file "$logfile" produced by configure as this will help
198
solving the problem.
199
EOF
200
    else
201
cat <<EOF
202
Rerun configure with logging enabled (do not use --log=no), and include the
203
log this produces with your report.
204
EOF
205
    fi
206
    rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
207
    exit 1
208
}
209

    
210
# "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
211
toupper(){
212
    echo "$@" | tr '[a-z]' '[A-Z]'
213
}
214

    
215
tolower(){
216
    echo "$@" | tr '[A-Z]' '[a-z]'
217
}
218

    
219
set_all(){
220
    value=$1
221
    shift
222
    for var in $*; do
223
        eval $var=$value
224
    done
225
}
226

    
227
pushvar(){
228
    for var in $*; do
229
        eval level=\${${var}_level:=0}
230
        eval ${var}_${level}="\$$var"
231
        eval ${var}_level=$(($level+1))
232
    done
233
}
234

    
235
popvar(){
236
    for var in $*; do
237
        eval level=\${${var}_level:-0}
238
        test $level = 0 && continue
239
        eval level=$(($level-1))
240
        eval $var="\${${var}_${level}}"
241
        eval ${var}_level=$level
242
        eval unset ${var}_${level}
243
    done
244
}
245

    
246
enable(){
247
    set_all yes $*
248
}
249

    
250
disable(){
251
    set_all no $*
252
}
253

    
254
enabled(){
255
    eval test "x\$$1" = "xyes"
256
}
257

    
258
disabled(){
259
    eval test "x\$$1" = "xno"
260
}
261

    
262
enabled_all(){
263
    for opt; do
264
        enabled $opt || return 1
265
    done
266
}
267

    
268
disabled_all(){
269
    for opt; do
270
        disabled $opt || return 1
271
    done
272
}
273

    
274
enabled_any(){
275
    for opt; do
276
        enabled $opt && return 0
277
    done
278
}
279

    
280
disabled_any(){
281
    for opt; do
282
        disabled $opt && return 0
283
    done
284
}
285

    
286
check_deps(){
287
    for cfg; do
288
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
289
        disabled ${cfg}_checking && continue
290
        enable ${cfg}_checking
291

    
292
        eval dep_all="\$${cfg}_deps"
293
        eval dep_any="\$${cfg}_deps_any"
294

    
295
        pushvar cfg dep_all dep_any
296
        check_deps $dep_all $dep_any
297
        popvar cfg dep_all dep_any
298

    
299
        enabled_all $dep_all || disable $cfg
300
        enabled_any $dep_any || disable $cfg
301

    
302
        disable ${cfg}_checking
303
    done
304
}
305

    
306
print_config(){
307
    pfx=$1
308
    header=$2
309
    makefile=$3
310
    shift 3
311
    for cfg; do
312
        if enabled $cfg; then
313
            ucname="${pfx}`toupper $cfg`"
314
            echo "#define ${ucname} 1" >> $header
315
            echo "${ucname}=yes" >> $makefile
316
        fi
317
    done
318
}
319

    
320
flags_saved(){
321
    (: ${SAVE_CFLAGS?}) 2>/dev/null
322
}
323

    
324
save_flags(){
325
    flags_saved && return
326
    SAVE_CFLAGS="$CFLAGS"
327
    SAVE_LDFLAGS="$LDFLAGS"
328
    SAVE_extralibs="$extralibs"
329
}
330

    
331
restore_flags(){
332
    flags_saved || return
333
    CFLAGS="$SAVE_CFLAGS"
334
    LDFLAGS="$SAVE_LDFLAGS"
335
    extralibs="$SAVE_extralibs"
336
    unset SAVE_CFLAGS
337
    unset SAVE_LDFLAGS
338
    unset SAVE_extralibs
339
}
340

    
341
temp_cflags(){
342
    save_flags
343
    CFLAGS="$CFLAGS $*"
344
}
345

    
346
temp_ldflags(){
347
    save_flags
348
    LDFLAGS="$LDFLAGS $*"
349
}
350

    
351
temp_extralibs(){
352
    save_flags
353
    extralibs="$extralibs $*"
354
}
355

    
356
append(){
357
    var=$1
358
    shift
359
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
360
    eval "$var=\"\$$var $*\""
361
}
362

    
363
add_cflags(){
364
    append CFLAGS "$@"
365
}
366

    
367
add_ldflags(){
368
    append LDFLAGS "$@"
369
}
370

    
371
add_extralibs(){
372
    append extralibs "$@"
373
}
374

    
375
check_cmd(){
376
    log "$@"
377
    "$@" >>$logfile 2>&1
378
}
379

    
380
check_cc(){
381
    log check_cc "$@"
382
    cat >$TMPC
383
    log_file $TMPC
384
    check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
385
}
386

    
387
check_cpp(){
388
    log check_cpp "$@"
389
    cat >$TMPC
390
    log_file $TMPC
391
    check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
392
}
393

    
394
check_ld(){
395
    log check_ld "$@"
396
    check_cc || return
397
    check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
398
}
399

    
400
check_cflags(){
401
    log check_cflags "$@"
402
    check_cc "$@" <<EOF && add_cflags "$@"
403
int x;
404
EOF
405
}
406

    
407
check_ldflags(){
408
    log check_ldflags "$@"
409
    check_ld "$@" <<EOF && add_ldflags "$@"
410
int main(){
411
    return 0;
412
}
413
EOF
414
}
415

    
416
check_header(){
417
    log check_header "$@"
418
    header=$1
419
    shift
420
    var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
421
    disable $var
422
    check_cpp "$@" <<EOF && enable $var
423
#include <$header>
424
int x;
425
EOF
426
}
427

    
428
check_func(){
429
    log check_func "$@"
430
    func=$1
431
    shift
432
    disable $func
433
    check_ld "$@" <<EOF && enable $func
434
extern int $func();
435
int main(){
436
    $func();
437
}
438
EOF
439
}
440

    
441
check_func2(){
442
    log check_func2 "$@"
443
    headers=$1
444
    func=$2
445
    shift 2
446
    disable $func
447
    incs=""
448
    for hdr in $headers; do
449
        incs="$incs
450
#include <$hdr>"
451
    done
452
    check_ld "$@" <<EOF && enable $func
453
$incs
454
int main(){
455
    (void) $func;
456
    return 0;
457
}
458
EOF
459
}
460

    
461
check_lib(){
462
    log check_lib "$@"
463
    header="$1"
464
    func="$2"
465
    shift 2
466
    temp_extralibs "$@"
467
    check_header $header && check_func $func && add_extralibs "$@"
468
    err=$?
469
    restore_flags
470
    return $err
471
}
472

    
473
check_lib2(){
474
    log check_lib2 "$@"
475
    headers="$1"
476
    func="$2"
477
    shift 2
478
    temp_extralibs "$@"
479
    check_func2 "$headers" $func && add_extralibs "$@"
480
    err=$?
481
    restore_flags
482
    return $err
483
}
484

    
485
check_exec(){
486
    check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
487
}
488

    
489
require(){
490
    name="$1"
491
    header="$2"
492
    func="$3"
493
    shift 3
494
    check_lib $header $func "$@" || die "ERROR: $name not found"
495
}
496

    
497
require2(){
498
    name="$1"
499
    headers="$2"
500
    func="$3"
501
    shift 3
502
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
503
}
504

    
505
apply(){
506
    file=$1
507
    shift
508
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
509
}
510

    
511
CONFIG_LIST='
512
    encoders
513
    decoders
514
    parsers
515
    muxers
516
    demuxers
517
    amr
518
    amr_nb
519
    amr_nb_fixed
520
    amr_wb
521
    audio_beos
522
    audio_oss
523
    avisynth
524
    beos_netserver
525
    bktr
526
    dc1394
527
    dv1394
528
    ffmpeg
529
    ffplay
530
    ffserver
531
    gpl
532
    gprof
533
    ipv6
534
    liba52
535
    liba52bin
536
    libdts
537
    libfaac
538
    libfaad
539
    libfaadbin
540
    libgsm
541
    libmp3lame
542
    libnut
543
    libogg
544
    libtheora
545
    libvorbis
546
    memalign_hack
547
    mpegaudio_hp
548
    network
549
    powerpc_perf
550
    pp
551
    protocols
552
    swscaler
553
    vhook
554
    v4l
555
    v4l2
556
    wince
557
    x11grab
558
    x264
559
    xvid
560
    zlib
561
'
562

    
563
HAVE_LIST='
564
    altivec
565
    altivec_h
566
    armv5te
567
    armv6
568
    beosthreads
569
    byteswap_h
570
    cmov
571
    dcbzl
572
    dev_bktr_ioctl_bt848_h
573
    dev_bktr_ioctl_meteor_h
574
    dev_ic_bt8xx_h
575
    dev_video_meteor_ioctl_meteor_h
576
    dev_video_bktr_ioctl_bt848_h
577
    dlfcn_h
578
    dlopen
579
    fast_cmov
580
    freetype2
581
    imlib2
582
    inet_aton
583
    iwmmxt
584
    localtime_r
585
    lrintf
586
    machine_ioctl_bt848_h
587
    machine_ioctl_meteor_h
588
    malloc_h
589
    memalign
590
    mlib
591
    mmi
592
    mmx
593
    os2
594
    os2threads
595
    pthreads
596
    sdl
597
    sdl_video_size
598
    soundcard_h
599
    sys_poll_h
600
    sys_soundcard_h
601
    threads
602
    w32threads
603
'
604

    
605
TARGET_LIST='
606
    altivec
607
    armv5te
608
    armv6
609
    iwmmxt
610
    mmi
611
    mmx
612
'
613

    
614
CMDLINE_SELECT="
615
    $CONFIG_LIST
616
    $TARGET_LIST
617
    amr_if2
618
    debug
619
    extra_warnings
620
    shared
621
    static
622
    beosthreads
623
    os2threads
624
    pthreads
625
    w32threads
626
"
627

    
628
flashsv_decoder_deps="zlib"
629
flashsv_encoder_deps="zlib"
630
mpeg_xvmc_decoder_deps="xvmc"
631
png_decoder_deps="zlib"
632
png_encoder_deps="zlib"
633
x264_encoder_deps="x264"
634
xvid_encoder_deps="xvid"
635
zmbv_decoder_deps="zlib"
636
zmbv_encoder_deps="zlib"
637

    
638
aac_decoder_deps="libfaad"
639
mpeg4aac_decoder_deps="libfaad"
640
amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
641
amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
642
amr_wb_decoder_deps="amr_wb"
643
amr_wb_encoder_deps="amr_wb"
644
dts_decoder_deps="libdts"
645
faac_encoder_deps="libfaac"
646
liba52_decoder_deps="liba52"
647
libgsm_decoder_deps="libgsm"
648
libgsm_encoder_deps="libgsm"
649
libtheora_encoder_deps="libtheora"
650
mp3lame_encoder_deps="libmp3lame"
651
oggvorbis_decoder_deps="libvorbis"
652
oggvorbis_encoder_deps="libvorbis"
653

    
654
audio_demuxer_deps_any="audio_oss audio_beos"
655
audio_muxer_deps_any="audio_oss audio_beos"
656
dc1394_demuxer_deps="dc1394"
657
dv1394_demuxer_deps="dv1394"
658
gxf_muxer_deps="gpl"
659
libnut_demuxer_deps="libnut"
660
libnut_muxer_deps="libnut"
661
ogg_muxer_deps="libogg"
662
redir_demuxer_deps="network"
663
rtp_muxer_deps="network"
664
rtsp_demuxer_deps="network"
665
sdp_demuxer_deps="network"
666
v4l2_demuxer_deps="v4l2"
667
video_grab_device_demuxer_deps_any="v4l bktr"
668
x11_grab_device_demuxer_deps="x11grab"
669

    
670
ffplay_deps="sdl"
671
ffserver_deps="network protocols muxers"
672
network_deps="protocols"
673

    
674
# set temporary file name
675
if test ! -z "$TMPDIR" ; then
676
    TMPDIR1="${TMPDIR}"
677
elif test ! -z "$TEMPDIR" ; then
678
    TMPDIR1="${TEMPDIR}"
679
else
680
    TMPDIR1="/tmp"
681
fi
682

    
683
TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
684
TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
685
TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
686
TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
687
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
688

    
689
# default parameters
690

    
691
logging="yes"
692
logfile="config.err"
693

    
694
# installation paths
695
PREFIX="/usr/local"
696
libdir='${PREFIX}/lib'
697
shlibdir="$libdir"
698
incdir='${PREFIX}/include/ffmpeg'
699
mandir='${PREFIX}/man'
700
bindir='${PREFIX}/bin'
701

    
702
# toolchain
703
cross_prefix=""
704
cross_compile="no"
705
cc="gcc"
706
ar="ar"
707
ranlib="ranlib"
708
make="make"
709
strip="strip"
710
asmalign_pot="unknown"
711

    
712
# machine
713
arch=`uname -m`
714
cpu="generic"
715
powerpc_perf="no"
716
mmx="default"
717
cmov="no"
718
fast_cmov="no"
719
armv5te="default"
720
armv6="default"
721
iwmmxt="default"
722
altivec="default"
723
dcbzl="no"
724
mmi="default"
725
bigendian="no"
726

    
727
# OS
728
targetos=`uname -s`
729
beos_netserver="no"
730
mingw32="no"
731
os2="no"
732
wince="no"
733

    
734
# non-library system interfaces
735
audio_beos="default"
736
audio_oss="yes"
737
bktr="yes"
738
dv1394="yes"
739
v4l2="yes"
740
v4l="yes"
741

    
742
# libraries
743
amr_if2="no"
744
amr_nb="no"
745
amr_nb_fixed="no"
746
amr_wb="no"
747
avisynth="no"
748
dc1394="no"
749
dlfcn_h="no"
750
dlopen="no"
751
liba52="no"
752
liba52bin="no"
753
libdts="no"
754
libfaac="no"
755
libfaad2="no"
756
libfaad="no"
757
libfaadbin="no"
758
libgsm="no"
759
libmp3lame="no"
760
libnut="no"
761
libogg="no"
762
libtheora="no"
763
libvorbis="no"
764
mlib="no"
765
x11grab="no"
766
x264="no"
767
xvid="no"
768
zlib="yes"
769

    
770
# configurable options
771
debug="yes"
772
dostrip="yes"
773
extra_warnings="no"
774
ffmpeg="yes"
775
ffplay="yes"
776
ffserver="yes"
777
gpl="no"
778
gprof="no"
779
ipv6="yes"
780
shared="no"
781
static="yes"
782
memalign_hack="no"
783
mpegaudio_hp="yes"
784
network="yes"
785
optimize="yes"
786
pp="no"
787
protocols="yes"
788
swscaler="no"
789
vhook="default"
790

    
791
# threading
792
beosthreads="no"
793
os2threads="no"
794
pthreads="no"
795
w32threads="no"
796
thread_type="no"
797

    
798
# build settings
799
SHFLAGS='-shared -Wl,-soname,$@'
800
VHOOKSHFLAGS='$(SHFLAGS)'
801
LIBOBJFLAGS=""
802
FFLDFLAGS=-Wl,--warn-common
803
LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
804
FFSERVERLDFLAGS=-Wl,-E
805
LDCONFIG="ldconfig"
806
LIBPREF="lib"
807
LIBSUF=".a"
808
LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
809
SLIBPREF="lib"
810
SLIBSUF=".so"
811
SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
812
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
813
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
814
EXESUF=""
815
BUILDSUF=""
816
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
817

    
818
# find source path
819
source_path="`dirname \"$0\"`"
820
source_path_used="yes"
821
if test -z "$source_path" -o "$source_path" = "." ; then
822
    source_path="`pwd`"
823
    source_path_used="no"
824
else
825
    source_path="`cd \"$source_path\"; pwd`"
826
    echo "$source_path" | grep -q '[[:blank:]]' &&
827
      die "Out of tree builds are impossible with whitespace in source path."
828
fi
829

    
830
if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
831
    show_help
832
fi
833

    
834
FFMPEG_CONFIGURATION="$@"
835

    
836
ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
837
DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
838
PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
839
MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
840
DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
841

    
842
enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
843

    
844
die_unknown(){
845
    echo "Unknown option \"$1\"."
846
    echo "See $0 --help for available options."
847
    exit 1
848
}
849

    
850
for opt do
851
  optval="${opt#*=}"
852
  case "$opt" in
853
  --log)
854
  ;;
855
  --log=*) logging="$optval"
856
  ;;
857
  --prefix=*) PREFIX="$optval"
858
  ;;
859
  --libdir=*) libdir="$optval"
860
  ;;
861
  --shlibdir=*) shlibdir="$optval"
862
  ;;
863
  --incdir=*) incdir="$optval"
864
  ;;
865
  --mandir=*) mandir="$optval"
866
  ;;
867
  --source-path=*) source_path="$optval"
868
  ;;
869
  --cross-prefix=*) cross_prefix="$optval"
870
  ;;
871
  --cross-compile) cross_compile="yes"
872
  ;;
873
  --target-os=*) targetos="$optval"
874
  ;;
875
  --cc=*) cc="$optval"
876
  ;;
877
  --make=*) make="$optval"
878
  ;;
879
  --extra-cflags=*) add_cflags "$optval"
880
  ;;
881
  --extra-ldflags=*) add_ldflags "$optval"
882
  ;;
883
  --extra-libs=*) add_extralibs "$optval"
884
  ;;
885
  --build-suffix=*) BUILDSUF="$optval"
886
  ;;
887
  --arch=*) arch="$optval"
888
  ;;
889
  --cpu=*) cpu="$optval"
890
  ;;
891
  --enable-mingwce) wince="yes"
892
  ;;
893
  --disable-opts) optimize="no"
894
  ;;
895
  --enable-small) optimize="small"
896
  ;;
897
  --enable-sunmlib) mlib="yes"
898
  ;;
899
  --disable-strip) dostrip="no"
900
  ;;
901
  --disable-encoders) disable $ENCODER_LIST
902
  ;;
903
  --disable-decoders) disable $DECODER_LIST
904
  ;;
905
  --disable-muxers) disable $MUXER_LIST
906
  ;;
907
  --disable-demuxers) disable $DEMUXER_LIST
908
  ;;
909
  --disable-parsers) disable $PARSER_LIST
910
  ;;
911
  --enable-*=*|--disable-*=*)
912
  eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
913
  case "$thing" in
914
      encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
915
      *) die_unknown "$opt" ;;
916
  esac
917
  ;;
918
  --enable-?*|--disable-?*)
919
  eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
920
  echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
921
  $action $option
922
  ;;
923
  --help) show_help
924
  ;;
925
  *)
926
  die_unknown $opt
927
  ;;
928
  esac
929
done
930

    
931
case "$arch" in
932
  i386|i486|i586|i686|i86pc|BePC)
933
    arch="x86_32"
934
  ;;
935
  x86_64|amd64)
936
    arch="x86_32"
937
    canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
938
    if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
939
      if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
940
        arch="x86_64"
941
      fi
942
    fi
943
  ;;
944
  # armv4l is a subset of armv[567]*l
945
  arm|armv[4567]*l)
946
    arch="armv4l"
947
  ;;
948
  alpha)
949
    arch="alpha"
950
  ;;
951
  "Power Macintosh"|ppc|ppc64|powerpc)
952
    arch="powerpc"
953
  ;;
954
  mips|mipsel|IP*)
955
    arch="mips"
956
  ;;
957
  sun4u|sparc64)
958
    arch="sparc64"
959
  ;;
960
  sparc)
961
    arch="sparc"
962
  ;;
963
  sh4)
964
    arch="sh4"
965
  ;;
966
  parisc|parisc64)
967
    arch="parisc"
968
  ;;
969
  s390|s390x)
970
    arch="s390"
971
  ;;
972
  m68k)
973
    arch="m68k"
974
  ;;
975
  ia64)
976
    arch="ia64"
977
  ;;
978
  bfin)
979
    arch="bfin"
980
  ;;
981
  *)
982
    arch="unknown"
983
  ;;
984
esac
985

    
986
# OS specific
987
osextralibs="-lm"
988
case `tolower $targetos` in
989
  beos|haiku|zeta)
990
    PREFIX="$HOME/config"
991
    # helps building libavcodec
992
    add_cflags "-DPIC -fomit-frame-pointer"
993
    # 3 gcc releases known for BeOS, each with ugly bugs
994
    gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
995
    case "$gcc_version" in
996
      2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
997
        mmx="no"
998
        ;;
999
      *20010315*) echo "BeBits gcc"
1000
        add_cflags "-fno-expensive-optimizations"
1001
        ;;
1002
    esac
1003
    LDCONFIG="echo ignoring ldconfig"
1004
    SHFLAGS=-nostart
1005
    # disable Linux things
1006
    dv1394="no"
1007
    # enable BeOS things
1008
    disabled audio_beos || enable_audio_beos
1009
    # no need for libm, but the inet stuff
1010
    # Check for BONE
1011
    # XXX: actually should check for NOT net_server
1012
    if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1013
        osextralibs="-lbind -lsocket"
1014
    else
1015
        beos_netserver="yes"
1016
        osextralibs="-lnet"
1017
    fi ;;
1018
  sunos)
1019
    dv1394="no"
1020
    FFLDFLAGS=""
1021
    FFSERVERLDFLAGS=""
1022
    SHFLAGS="-shared -Wl,-h,\$@"
1023
    add_extralibs "-lsocket -lnsl"
1024
    ;;
1025
  netbsd)
1026
    dv1394="no"
1027
    add_extralibs "-lossaudio"
1028
    ;;
1029
  openbsd)
1030
    dv1394="no"
1031
    need_memalign="no"
1032
    LIBOBJFLAGS="\$(PIC)"
1033
    LDCONFIG="ldconfig -m \$(shlibdir)"
1034
    SHFLAGS='-shared'
1035
    SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1036
    SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1037
    SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1038
    add_extralibs "-lossaudio"
1039
    ;;
1040
  freebsd)
1041
    dv1394="no"
1042
    need_memalign="no"
1043
    add_cflags "-pthread"
1044
    ;;
1045
  gnu/kfreebsd)
1046
    dv1394="no"
1047
    add_cflags "-pthread"
1048
    ;;
1049
  bsd/os)
1050
    dv1394="no"
1051
    osextralibs="-lpoll -lgnugetopt -lm"
1052
    strip="strip -d"
1053
    ;;
1054
  darwin)
1055
    cc="cc"
1056
    dv1394="no"
1057
    need_memalign="no"
1058
    SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1059
    VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1060
    osextralibs=""
1061
    strip="strip -x"
1062
    FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1063
    SLIBSUF=".dylib"
1064
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1065
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1066
    FFSERVERLDFLAGS=-Wl,-bind_at_load
1067
    ;;
1068
  mingw32*)
1069
    mingw32="yes"
1070
    if enabled_all shared static; then
1071
        cat <<EOF
1072
You can only build one library type at once on MinGW.
1073
Specify --disable-static --enable-shared to only build
1074
the shared libraries. To build only the static libraries
1075
you do not need to pass additional options.
1076
EOF
1077
        exit 1
1078
    fi
1079
    dv1394="no"
1080
    ffserver="no"
1081
    network="no"
1082
    if enabled wince; then
1083
        protocols="no"
1084
    fi
1085
    SLIBPREF=""
1086
    SLIBSUF=".dll"
1087
    EXESUF=".exe"
1088
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1089
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1090
    SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1091
    SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1092
    SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1093
    ;;
1094
  cygwin*)
1095
    targetos=CYGWIN
1096
    shlibdir="$bindir"
1097
    dv1394="no"
1098
    VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1099
    VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1100
    osextralibs=""
1101
    EXESUF=".exe"
1102
    SLIBPREF="cyg"
1103
    SLIBSUF=".dll"
1104
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1105
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1106
    SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1107
    ;;
1108
  linux)
1109
    LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1110
    ;;
1111
  irix*)
1112
    targetos=IRIX
1113
    ranlib="echo ignoring ranlib"
1114
    ;;
1115
  os/2)
1116
    TMPE=$TMPE".exe"
1117
    ar="emxomfar -p128"
1118
    ranlib="echo ignoring ranlib"
1119
    strip="echo ignoring strip"
1120
    add_cflags "-Zomf"
1121
    FFLDFLAGS="-Zomf -Zstack 16384 -s"
1122
    SHFLAGS="-Zdll -Zomf"
1123
    FFSERVERLDFLAGS=""
1124
    LIBPREF=""
1125
    LIBSUF=".lib"
1126
    SLIBPREF=""
1127
    SLIBSUF=".dll"
1128
    EXESUF=".exe"
1129
    osextralibs=""
1130
    pkg_requires=""
1131
    dv1394="no"
1132
    ffserver="no"
1133
    vhook="no"
1134
    os2="yes"
1135
    ;;
1136
  *)
1137
    targetos="${targetos}-UNKNOWN"
1138
    ;;
1139
esac
1140

    
1141
add_extralibs $osextralibs
1142

    
1143
if ! disabled logging ; then
1144
    enabled logging || logfile="$logging"
1145
    echo "# $0 $@" >$logfile
1146
    set >>$logfile
1147
else
1148
    logfile=/dev/null
1149
fi
1150

    
1151
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1152
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1153

    
1154
test -n "$cross_prefix" && cross_compile=yes
1155
cc="${cross_prefix}${cc}"
1156
ar="${cross_prefix}${ar}"
1157
ranlib="${cross_prefix}${ranlib}"
1158
strip="${cross_prefix}${strip}"
1159

    
1160
# we need to build at least one lib type
1161
if disabled_all static shared; then
1162
    cat <<EOF
1163
At least one library type must be built.
1164
Specify --enable-static to build the static libraries or --enable-shared to
1165
build the shared libraries as well. To only build the shared libraries specify
1166
--disable-static in addition to --enable-shared.
1167
EOF
1168
    exit 1;
1169
fi
1170

    
1171
if disabled libogg; then
1172
    enabled libtheora && die "libogg must be enabled to enable libtheora."
1173
    enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1174
fi
1175

    
1176
if enabled_any libfaad libfaadbin ; then
1177
    if check_header faad.h; then
1178
        check_cc << EOF
1179
#include <faad.h>
1180
#ifndef FAAD2_VERSION
1181
ok faad1
1182
#endif
1183
int main( void ) { return 0; }
1184
EOF
1185
        test $? = 0 && enable libfaad2
1186
    else
1187
        die "FAAD test failed."
1188
    fi
1189
fi
1190

    
1191

    
1192
if disabled gpl ; then
1193
    die_gpl_disabled(){
1194
        name=$1
1195
        shift
1196
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1197
    }
1198
    die_gpl_disabled "The Postprocessing code" pp
1199
    die_gpl_disabled "liba52"                  liba52
1200
    die_gpl_disabled "libxvidcore"             xvid
1201
    die_gpl_disabled "x264"                    x264
1202
    die_gpl_disabled "libdts"                  libdts
1203
    die_gpl_disabled "FAAD2"                   libfaad2
1204
    die_gpl_disabled "The X11 grabber"         x11grab
1205
    die_gpl_disabled "The software scaler"     swscaler
1206
fi
1207

    
1208
# compute MMX state
1209
if test $mmx = "default"; then
1210
    if test $arch = "x86_32" -o $arch = "x86_64"; then
1211
        mmx="yes"
1212
    else
1213
        mmx="no"
1214
    fi
1215
fi
1216

    
1217
test -z "$need_memalign" && need_memalign="$mmx"
1218

    
1219
#Darwin CC versions
1220
needmdynamicnopic="no"
1221
if test $targetos = Darwin; then
1222
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1223
        add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1224
    else
1225
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1226
        case "$gcc_version" in
1227
            *2.95*)
1228
                add_cflags "-no-cpp-precomp -pipe"
1229
                ;;
1230
            *[34].*)
1231
                add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1232
                if disabled shared; then
1233
                   needmdynamicnopic="yes"
1234
                fi
1235
                ;;
1236
            *)
1237
                add_cflags "-no-cpp-precomp -pipe"
1238
                if disabled shared; then
1239
                   needmdynamicnopic="yes"
1240
                fi
1241
                ;;
1242
        esac
1243
    fi
1244
fi
1245

    
1246
disabled optimize || add_cflags -fomit-frame-pointer
1247

    
1248
# Can only do AltiVec on PowerPC
1249
if test $altivec = "default"; then
1250
    if test $arch = "powerpc"; then
1251
        altivec="yes"
1252
    else
1253
        altivec="no"
1254
    fi
1255
fi
1256

    
1257
# Add processor-specific flags
1258
POWERPCMODE="32bits"
1259
if test $cpu != "generic"; then
1260
    warn_altivec(){
1261
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1262
    }
1263
    case $cpu in
1264
        601|ppc601|PowerPC601)
1265
            add_cflags "-mcpu=601"
1266
            warn_altivec enabled PPC601
1267
        ;;
1268
        603*|ppc603*|PowerPC603*)
1269
            add_cflags "-mcpu=603"
1270
            warn_altivec enabled PPC603
1271
        ;;
1272
        604*|ppc604*|PowerPC604*)
1273
            add_cflags "-mcpu=604"
1274
            warn_altivec enabled PPC604
1275
        ;;
1276
        G3|g3|75*|ppc75*|PowerPC75*)
1277
            add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1278
            warn_altivec enabled PPC75x
1279
        ;;
1280
        G4|g4|745*|ppc745*|PowerPC745*)
1281
            add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1282
            warn_altivec disabled PPC745x
1283
        ;;
1284
        74*|ppc74*|PowerPC74*)
1285
            add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1286
            warn_altivec disabled PPC74xx
1287
        ;;
1288
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1289
            add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1290
            warn_altivec disabled PPC970
1291
            POWERPCMODE="64bits"
1292
        ;;
1293
        # targets that do NOT support conditional mov (cmov)
1294
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1295
            add_cflags "-march=$cpu"
1296
            cmov="no"
1297
        ;;
1298
        # targets that do support conditional mov (cmov)
1299
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1300
            add_cflags "-march=$cpu"
1301
            cmov="yes"
1302
            fast_cmov="yes"
1303
        ;;
1304
        # targets that do support conditional mov but on which it's slow
1305
        pentium4|prescott|nocona)
1306
            add_cflags "-march=$cpu"
1307
            cmov="yes"
1308
            fast_cmov="no"
1309
        ;;
1310
        sparc64)
1311
            add_cflags "-mcpu=v9"
1312
        ;;
1313
        *)
1314
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1315
        ;;
1316
    esac
1317
fi
1318

    
1319
gnu_make(){
1320
    $1 --version 2>&1 | grep -q GNU
1321
}
1322

    
1323
if ! gnu_make $make; then
1324
    gnu_make gmake && make=gmake || die "GNU make not found."
1325
fi
1326

    
1327
# make sure we can execute files in $TMPDIR
1328
cat >$TMPE 2>>$logfile <<EOF
1329
#! /bin/sh
1330
EOF
1331
chmod +x $TMPE >>$logfile 2>&1
1332
if ! $TMPE >>$logfile 2>&1; then
1333
    cat <<EOF
1334
Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1335
variable to another directory and make sure that $TMPDIR1 is not mounted
1336
noexec.
1337
EOF
1338
    die "Sanity test failed."
1339
fi
1340
rm $TMPE
1341

    
1342
# compiler sanity check
1343
check_exec <<EOF
1344
int main(){
1345
    return 0;
1346
}
1347
EOF
1348
if test "$?" != 0; then
1349
    echo "$cc is unable to create an executable file."
1350
    if test -z "$cross_prefix" && disabled cross_compile ; then
1351
        echo "If $cc is a cross-compiler, use the --cross-compile option."
1352
        echo "Only do this if you know what cross compiling means."
1353
    fi
1354
    die "C compiler test failed."
1355
fi
1356

    
1357
# check for assembler specific support
1358

    
1359
if test $arch = "powerpc"; then
1360
check_cc <<EOF && dcbzl=yes
1361
int main(void) {
1362
    register long zero = 0;
1363
    char data[1024];
1364
    asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1365
return 0;
1366
}
1367
EOF
1368
fi
1369

    
1370
# check for SIMD availability
1371

    
1372
# AltiVec flags: The FSF version of GCC differs from the Apple version
1373
if test $arch = "powerpc"; then
1374
    if enabled altivec; then
1375
        if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1376
            add_cflags "-faltivec"
1377
        else
1378
            add_cflags "-maltivec -mabi=altivec"
1379
        fi
1380
    fi
1381
fi
1382

    
1383
check_header altivec.h
1384

    
1385
# check if our compiler supports Motorola AltiVec C API
1386
if enabled altivec; then
1387
    if enabled altivec_h; then
1388
        inc_altivec_h="#include <altivec.h>"
1389
    else
1390
        inc_altivec_h=
1391
    fi
1392
    check_cc <<EOF || altivec=no
1393
$inc_altivec_h
1394
int main(void) {
1395
    vector signed int v1, v2, v3;
1396
    v1 = vec_add(v2,v3);
1397
    return 0;
1398
}
1399
EOF
1400
fi
1401

    
1402
# check armv5te instructions support
1403
if test $armv5te = "default" -a $arch = "armv4l"; then
1404
    armv5te=no
1405
    check_cc <<EOF && armv5te=yes
1406
        int main(void) {
1407
        __asm__ __volatile__ ("qadd r0, r0, r0");
1408
        }
1409
EOF
1410
fi
1411

    
1412
if test $armv6 = "default" -a $arch = "armv4l"; then
1413
    check_cc <<EOF && armv6=yes || armv6=no
1414
int main(void) {
1415
    __asm__ __volatile__ ("sadd16 r0, r0, r0");
1416
}
1417
EOF
1418
fi
1419

    
1420
# check iwmmxt support
1421
if test $iwmmxt = "default" -a $arch = "armv4l"; then
1422
    iwmmxt=no
1423
    check_cc <<EOF && iwmmxt=yes
1424
        int main(void) {
1425
        __asm__ __volatile__ ("wunpckelub wr6, wr4");
1426
        }
1427
EOF
1428
fi
1429

    
1430
# mmi only available on mips
1431
if test $mmi = "default"; then
1432
    if test $arch = "mips"; then
1433
        mmi="yes"
1434
    else
1435
        mmi="no"
1436
    fi
1437
fi
1438

    
1439
# check if our compiler supports mmi
1440
enabled mmi && check_cc <<EOF || mmi="no"
1441
int main(void) {
1442
    __asm__ ("lq \$2, 0(\$2)");
1443
    return 0;
1444
}
1445
EOF
1446

    
1447
# ---
1448
# big/little-endian test
1449
if disabled cross_compile; then
1450
    check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1451
#include <inttypes.h>
1452
int main(int argc, char ** argv){
1453
        volatile uint32_t i=0x01234567;
1454
        return (*((uint8_t*)(&i))) == 0x67;
1455
}
1456
EOF
1457
else
1458
    # programs cannot be launched if cross compiling, so make a static guess
1459
    if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1460
        bigendian="yes"
1461
    fi
1462
fi
1463

    
1464
# ---
1465
# check availability of some header files
1466

    
1467
check_header malloc.h
1468
check_func memalign
1469

    
1470
if disabled_all memalign memalign_hack && enabled need_memalign ; then
1471
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1472
fi
1473

    
1474
check_header byteswap.h
1475

    
1476
check_func inet_aton
1477
check_func localtime_r
1478
enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1479

    
1480
# ffserver uses poll(),
1481
# if it's not found we can emulate it using select().
1482
if enabled ffserver; then
1483
    check_header sys/poll.h
1484
fi
1485

    
1486
# check for some common methods of building with pthread support
1487
# do this before the optional library checks as some of them require pthreads
1488
if enabled pthreads; then
1489
    if check_func pthread_create; then
1490
        :
1491
    elif check_func pthread_create -pthread; then
1492
        add_cflags -pthread
1493
        add_ldflags -pthread
1494
    elif check_func pthread_create -pthreads; then
1495
        add_cflags -pthreads
1496
        add_ldflags -pthreads
1497
    elif ! check_lib pthread.h pthread_create -lpthread; then
1498
        die "ERROR: can't find pthreads library"
1499
    fi
1500
fi
1501

    
1502
for thread in pthreads beosthreads os2threads w32threads; do
1503
    if enabled $thread; then
1504
        if ! disabled thread_type ; then
1505
            die "ERROR: Only one thread type must be selected."
1506
        else
1507
            thread_type="$thread"
1508
        fi
1509
    fi
1510
done
1511

    
1512
enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1513
enabled_all amr_nb amr_nb_fixed &&
1514
    die "Only one of amr_nb and amr_nb_fixed may be enabled."
1515

    
1516
# these are off by default, so fail if requested and not available
1517
enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1518
enabled libdts     && require libdts dts.h dts_init -ldts -lm
1519
enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1520
enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1521
enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1522
enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1523
enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1524
enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1525
enabled xvid       && require XviD xvid.h xvid_global -lxvidcore
1526
enabled x264       && require x264 x264.h x264_encoder_open -lx264
1527
enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1528
enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1529
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1530
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1531
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1532

    
1533
# test for lrintf in math.h
1534
check_exec <<EOF && lrintf=yes || lrintf=no
1535
#define _ISOC9X_SOURCE  1
1536
#include <math.h>
1537
int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1538
EOF
1539

    
1540
_restrict=
1541
for restrict_keyword in restrict __restrict__ __restrict; do
1542
    check_cc <<EOF && _restrict=$restrict_keyword && break
1543
void foo(char * $restrict_keyword p);
1544
EOF
1545
done
1546

    
1547
# dlopen/dlfcn.h probing
1548

    
1549
check_header dlfcn.h
1550

    
1551
if check_func dlopen; then
1552
    ldl=
1553
elif check_func dlopen -ldl; then
1554
    ldl=-ldl
1555
fi
1556

    
1557
test "$vhook" = "default" && vhook="$dlopen"
1558

    
1559
enabled_any vhook liba52bin libfaadbin && add_extralibs $ldl
1560

    
1561
if test "$targetos" = "CYGWIN" && enabled static ; then
1562
    vhook="no"
1563
    echo
1564
    echo "At the moment vhooks don't work on Cygwin static builds."
1565
    echo "Patches welcome."
1566
    echo
1567
fi
1568

    
1569
if enabled vhook; then
1570
    check_ldflags -rdynamic
1571
    check_ldflags -export-dynamic
1572
fi
1573

    
1574
enabled audio_beos && add_extralibs "-lmedia -lbe"
1575

    
1576
enabled mingw32 && add_extralibs -lws2_32
1577

    
1578
##########################################
1579
# imlib check
1580

    
1581
imlib2=no
1582
if imlib2-config --version >/dev/null 2>&1; then
1583
    temp_cflags `imlib2-config --cflags`
1584
    temp_extralibs `imlib2-config --libs`
1585
    check_lib Imlib2.h imlib_load_font && enable imlib2
1586
    restore_flags
1587
fi
1588

    
1589
##########################################
1590
# FreeType check
1591

    
1592
freetype2=no
1593
if freetype-config --version >/dev/null 2>&1; then
1594
    temp_cflags `freetype-config --cflags`
1595
    temp_extralibs `freetype-config --libs`
1596
    check_lib ft2build.h FT_Init_FreeType && enable freetype2
1597
    restore_flags
1598
fi
1599

    
1600
##########################################
1601
# SDL check
1602

    
1603
sdl_too_old=no
1604
sdl=no
1605
SDL_CONFIG="${cross_prefix}sdl-config"
1606
if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1607
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
1608
    temp_cflags $sdl_cflags
1609
    temp_extralibs `"${SDL_CONFIG}" --libs`
1610
    if check_lib SDL.h SDL_Init; then
1611
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1612
        if test "$_sdlversion" -lt 121 ; then
1613
            sdl_too_old=yes
1614
        else
1615
            sdl=yes
1616
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
1617
#include <SDL.h>
1618
int main(void){
1619
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1620
    int w = vi->current_w;
1621
    return 0;
1622
}
1623
EOF
1624
        fi
1625
    fi
1626
    restore_flags
1627
fi
1628

    
1629
texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1630

    
1631
##########################################
1632
# IPv6 check
1633

    
1634
enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1635
#include <sys/types.h>
1636
#include <sys/socket.h>
1637
#include <netinet/in.h>
1638
#include <netdb.h>
1639
int main( void ) {
1640
  struct sockaddr_storage saddr;
1641
  struct ipv6_mreq mreq6;
1642
  getaddrinfo(0,0,0,0);
1643
  getnameinfo(0,0,0,0,0,0,0);
1644
  IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1645
}
1646
EOF
1647

    
1648
enabled v4l  && check_header linux/videodev.h  || disable v4l
1649
enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1650

    
1651
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1652
if enabled bktr; then
1653
    { check_header dev/bktr/ioctl_meteor.h &&
1654
      check_header dev/bktr/ioctl_bt848.h; } ||
1655
    { check_header machine/ioctl_meteor.h &&
1656
      check_header machine/ioctl_bt848.h; } ||
1657
    { check_header dev/video/meteor/ioctl_meteor.h &&
1658
      check_header dev/video/bktr/ioctl_bt848.h; } ||
1659
    check_header dev/ic/bt8xx.h ||
1660
    disable bktr
1661
fi
1662

    
1663
enabled audio_oss &&
1664
    check_header sys/soundcard.h ||
1665
    check_header soundcard.h ||
1666
    disable audio_oss
1667

    
1668
# Deal with the x11 frame grabber
1669
enabled x11grab                         &&
1670
enabled gpl                             &&
1671
enabled x11_grab_device_demuxer         &&
1672
check_header X11/Xlib.h                 &&
1673
check_header X11/extensions/XShm.h      &&
1674
check_func XOpenDisplay -lX11           &&
1675
check_func XShmCreateImage -lX11 -lXext &&
1676
add_extralibs -lX11 -lXext              ||
1677
disable x11_grab_device_demuxer
1678

    
1679
enabled debug && add_cflags -g
1680

    
1681
# add some useful compiler flags if supported
1682
check_cflags -Wdeclaration-after-statement
1683
check_cflags -Wall
1684
check_cflags -Wno-switch
1685
check_cflags -Wdisabled-optimization
1686
check_cflags -Wpointer-arith
1687
check_cflags -Wredundant-decls
1688
check_cflags -Wno-pointer-sign
1689
enabled extra_warnings && check_cflags -Winline
1690

    
1691
# add some linker flags
1692
check_ldflags $LDLATEFLAGS
1693

    
1694
# not all compilers support -Os
1695
test "$optimize" = "small" && check_cflags -Os
1696

    
1697
if enabled optimize; then
1698
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1699
        add_cflags  "-O5"
1700
        add_ldflags "-O5"
1701
    else
1702
        add_cflags "-O3"
1703
    fi
1704
fi
1705

    
1706
# PIC flags for shared library objects where they are needed
1707
if enabled shared; then
1708
    # LIBOBJFLAGS may have already been set in the OS configuration
1709
    if test -z "$LIBOBJFLAGS" ; then
1710
        case "$arch" in
1711
            x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1712
        esac
1713
    fi
1714
fi
1715

    
1716
if enabled gprof; then
1717
    add_cflags  "-p"
1718
    add_ldflags "-p"
1719
fi
1720

    
1721
VHOOKCFLAGS="-fPIC $CFLAGS"
1722
enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1723

    
1724
# find if .align arg is power-of-two or not
1725
if test $asmalign_pot = "unknown"; then
1726
    asmalign_pot="no"
1727
    echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1728
fi
1729

    
1730
enabled_any $ENCODER_LIST && enable encoders
1731
enabled_any $DECODER_LIST && enable decoders
1732
enabled_any $MUXER_LIST   && enable muxers
1733
enabled_any $DEMUXER_LIST && enable demuxers
1734

    
1735
enabled_any pthreads beosthreads os2threads w32threads && enable threads
1736

    
1737
check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1738
    $DEMUXER_LIST $MUXER_LIST
1739

    
1740
enabled libogg    && append pkg_requires "ogg >= 1.1"
1741
enabled libtheora && append pkg_requires "theora"
1742
enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1743
enabled dc1394    && append pkg_requires "libraw1394"
1744

    
1745
echo "install prefix            $PREFIX"
1746
echo "source path               $source_path"
1747
echo "C compiler                $cc"
1748
echo "make                      $make"
1749
echo ".align is power-of-two    $asmalign_pot"
1750
echo "ARCH                      $arch ($cpu)"
1751
if test "$BUILDSUF" != ""; then
1752
    echo "build suffix              $BUILDSUF"
1753
fi
1754
echo "big-endian                $bigendian"
1755
if test $arch = "x86_32" -o $arch = "x86_64"; then
1756
    echo "MMX enabled               $mmx"
1757
    echo "CMOV enabled              $cmov"
1758
    echo "CMOV is fast              $fast_cmov"
1759
fi
1760
if test $arch = "armv4l"; then
1761
    echo "ARMv5TE enabled           $armv5te"
1762
    echo "ARMv6 enabled             $armv6"
1763
    echo "IWMMXT enabled            $iwmmxt"
1764
fi
1765
if test $arch = "mips"; then
1766
    echo "MMI enabled               $mmi"
1767
fi
1768
if test $arch = "powerpc"; then
1769
    echo "AltiVec enabled           $altivec"
1770
    echo "dcbzl available           $dcbzl"
1771
fi
1772
echo "gprof enabled             $gprof"
1773
echo "debug symbols             $debug"
1774
echo "strip symbols             $dostrip"
1775
echo "optimize                  $optimize"
1776
echo "static                    $static"
1777
echo "shared                    $shared"
1778
echo "postprocessing support    $pp"
1779
echo "software scaler enabled   $swscaler"
1780
echo "video hooking             $vhook"
1781
if enabled vhook; then
1782
    echo "Imlib2 support            $imlib2"
1783
    echo "FreeType support          $freetype2"
1784
fi
1785
echo "network support           $network"
1786
if enabled network; then
1787
    echo "IPv6 support              $ipv6"
1788
fi
1789
echo "threading support         $thread_type"
1790
echo "SDL support               $sdl"
1791
if enabled sdl_too_old; then
1792
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1793
fi
1794
echo "Sun medialib support      $mlib"
1795
echo "AVISynth enabled          $avisynth"
1796
echo "liba52 support            $liba52"
1797
echo "liba52 dlopened           $liba52bin"
1798
echo "libdts support            $libdts"
1799
echo "libfaac enabled           $libfaac"
1800
echo "libfaad enabled           $libfaad"
1801
echo "faadbin enabled           $libfaadbin"
1802
echo "libgsm enabled            $libgsm"
1803
echo "libmp3lame enabled        $libmp3lame"
1804
echo "libnut enabled            $libnut"
1805
echo "libogg enabled            $libogg"
1806
echo "libtheora enabled         $libtheora"
1807
echo "libvorbis enabled         $libvorbis"
1808
echo "x264 enabled              $x264"
1809
echo "XviD enabled              $xvid"
1810
echo "zlib enabled              $zlib"
1811
echo "AMR-NB float support      $amr_nb"
1812
echo "AMR-NB fixed support      $amr_nb_fixed"
1813
echo "AMR-WB float support      $amr_wb"
1814
echo "AMR-WB IF2 support        $amr_if2"
1815
if disabled gpl; then
1816
    echo "License: LGPL"
1817
else
1818
    echo "License: GPL"
1819
fi
1820

    
1821
echo "Creating config.mak and config.h..."
1822

    
1823
echo "# Automatically generated by configure - do not modify!" > config.mak
1824
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1825
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1826

    
1827
echo "PREFIX=$PREFIX" >> config.mak
1828
echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1829
echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1830
echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1831
echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1832
echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1833
echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1834
echo "MAKE=$make" >> config.mak
1835
echo "CC=$cc" >> config.mak
1836
echo "AR=$ar" >> config.mak
1837
echo "RANLIB=$ranlib" >> config.mak
1838
if enabled dostrip; then
1839
    echo "STRIP=$strip" >> config.mak
1840
else
1841
    echo "STRIP=echo ignoring strip" >> config.mak
1842
fi
1843

    
1844
echo "OPTFLAGS=$CFLAGS" >> config.mak
1845
echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1846
echo "LDFLAGS=$LDFLAGS" >> config.mak
1847
echo "LDCONFIG=$LDCONFIG" >> config.mak
1848
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1849
echo "SHFLAGS=$SHFLAGS" >> config.mak
1850
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1851
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1852
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1853
echo "BUILD_STATIC=$static" >> config.mak
1854
echo "BUILDSUF=$BUILDSUF" >> config.mak
1855
echo "LIBPREF=$LIBPREF" >> config.mak
1856
echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1857
if enabled static; then
1858
  echo "LIB=$LIB" >> config.mak
1859
else # Some Make complain if this variable does not exist.
1860
  echo "LIB=" >> config.mak
1861
fi
1862
echo "SLIBPREF=$SLIBPREF" >> config.mak
1863
echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1864
echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1865

    
1866
ucarch=`toupper $arch`
1867
echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1868
echo "#define ARCH_${ucarch} 1" >> $TMPH
1869

    
1870
# special cases
1871
case "$arch" in
1872
    x86_32|x86_64)
1873
        echo "TARGET_ARCH_X86=yes" >> config.mak
1874
        echo "#define ARCH_X86 1" >> $TMPH
1875
        ;;
1876
    powerpc)
1877
        if test "$POWERPCMODE" = "64bits"; then
1878
            echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1879
        fi
1880
        ;;
1881
    sparc64)
1882
        echo "TARGET_ARCH_SPARC=yes" >> config.mak
1883
        echo "#define ARCH_SPARC 1" >> $TMPH
1884
        ;;
1885
esac
1886

    
1887
if enabled bigendian; then
1888
  echo "WORDS_BIGENDIAN=yes" >> config.mak
1889
  echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1890
fi
1891
if enabled mmx; then
1892
  echo "#define __CPU__ 586" >> $TMPH
1893
fi
1894

    
1895
if enabled sdl; then
1896
  echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1897
  echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1898
fi
1899
if enabled texi2html; then
1900
  echo "BUILD_DOC=yes" >> config.mak
1901
fi
1902

    
1903
sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1904
pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1905
lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1906
lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1907
lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1908

    
1909

    
1910

    
1911
if enabled shared; then
1912
  echo "BUILD_SHARED=yes" >> config.mak
1913
  echo "PIC=-fPIC -DPIC" >> config.mak
1914
  echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1915
  echo "SPPVERSION=$pp_version" >> config.mak
1916
  echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1917
  echo "LAVCVERSION=$lavc_version" >> config.mak
1918
  echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1919
  echo "LAVFVERSION=$lavf_version" >> config.mak
1920
  echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1921
  echo "LAVUVERSION=$lavu_version" >> config.mak
1922
  echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1923
  echo "SWSVERSION=$sws_version" >> config.mak
1924
  echo "SLIBNAME=${SLIBNAME}" >> config.mak
1925
  echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1926
  echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1927
  echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1928
  echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1929
fi
1930
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1931
echo "EXTRALIBS=$extralibs" >> config.mak
1932

    
1933
print_config HAVE_   $TMPH config.mak $HAVE_LIST
1934
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1935
print_config TARGET_ $TMPH config.mak $TARGET_LIST
1936

    
1937
if test "$targetos" = "Darwin"; then
1938
  echo "#define CONFIG_DARWIN 1"  >> $TMPH
1939
fi
1940

    
1941
echo "#define restrict $_restrict" >> $TMPH
1942

    
1943
if test "$optimize" = "small"; then
1944
  echo "#define always_inline"  >> $TMPH
1945
  echo "#define CONFIG_SMALL 1" >> $TMPH
1946
fi
1947

    
1948
echo "SRC_PATH=\"$source_path\"" >> config.mak
1949
echo "SRC_PATH_BARE=$source_path" >> config.mak
1950
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1951

    
1952
if enabled amr_if2; then
1953
  echo "AMR_CFLAGS=-DIF2=1" >> config.mak
1954
fi
1955

    
1956
# Apparently it's not possible to portably echo a backslash.
1957
if enabled asmalign_pot; then
1958
  printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1959
else
1960
  printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1961
fi
1962

    
1963

    
1964
for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
1965
    ucname="`toupper $codec`"
1966
    config_name="CONFIG_$ucname"
1967
    enabled_name="ENABLE_$ucname"
1968
    if enabled $codec; then
1969
        echo "#define $config_name 1" >> $TMPH
1970
        echo "#define $enabled_name 1" >> $TMPH
1971
        echo "$config_name=yes" >> config.mak
1972
    else
1973
        echo "#define $enabled_name 0" >> $TMPH
1974
    fi
1975
done
1976

    
1977
# Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1978
if ! cmp -s $TMPH config.h; then
1979
        mv -f $TMPH config.h
1980
else
1981
        echo "config.h is unchanged"
1982
fi
1983

    
1984
rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1985

    
1986
# build tree in object directory if source path is different from current one
1987
if enabled source_path_used; then
1988
    DIRS="\
1989
         doc \
1990
         libavformat \
1991
         libavcodec \
1992
         libavcodec/alpha \
1993
         libavcodec/armv4l \
1994
         libavcodec/bfin \
1995
         libavcodec/i386 \
1996
         libavcodec/sparc \
1997
         libavcodec/mlib \
1998
         libavcodec/ppc \
1999
         libavcodec/amr \
2000
         libavcodec/amr_float \
2001
         libavcodec/amrwb_float \
2002
         libpostproc \
2003
         libavutil \
2004
         libswscale \
2005
         tests \
2006
         vhook \
2007
         "
2008
    FILES="\
2009
          Makefile \
2010
          common.mak \
2011
          libavformat/Makefile \
2012
          libavcodec/Makefile \
2013
          libpostproc/Makefile \
2014
          libavutil/Makefile \
2015
          libswscale/Makefile \
2016
          tests/Makefile \
2017
          vhook/Makefile \
2018
          doc/Makefile \
2019
          doc/texi2pod.pl \
2020
          "
2021
    for dir in $DIRS ; do
2022
            mkdir -p $dir
2023
    done
2024
    for f in $FILES ; do
2025
        ln -sf "$source_path/$f" $f
2026
    done
2027
fi
2028

    
2029

    
2030
# build pkg-config files
2031
# FIXME: libdir and includedir are hardcoded and may differ from the real path.
2032

    
2033
pkgconfig_generate(){
2034
name=$1
2035
comment=$2
2036
version=$3
2037
libs=$4
2038
requires=$5
2039
include=$6
2040
cat <<EOF >$name.pc
2041
prefix=$PREFIX
2042
exec_prefix=\${prefix}
2043
libdir=\${exec_prefix}/lib
2044
includedir=\${prefix}/include
2045

    
2046
Name: $name
2047
Description: $comment
2048
Version: $version
2049
Requires: $requires
2050
Conflicts:
2051
Libs: -L\${libdir} $libs
2052
Cflags: -I\${includedir} -I\${includedir}/$include
2053
EOF
2054
}
2055

    
2056
pkgconfig_generate_uninstalled(){
2057
name=$1
2058
shortname=${name#lib}
2059
comment=$2
2060
version=$3
2061
libs=$4
2062
requires=$5
2063
cat <<EOF >$name-uninstalled.pc
2064
prefix=
2065
exec_prefix=
2066
libdir=\${pcfiledir}/$name
2067
includedir=\${pcfiledir}/$name
2068

    
2069
Name: $name
2070
Description: $comment
2071
Version: $version
2072
Requires: $requires
2073
Conflicts:
2074
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2075
Cflags: -I\${includedir}
2076
EOF
2077
}
2078

    
2079
pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2080
pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2081

    
2082
pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2083
pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2084

    
2085
pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2086
pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2087

    
2088
if enabled pp; then
2089
  pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2090
  pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2091
fi
2092

    
2093
if enabled swscaler; then
2094
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2095
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2096
else
2097
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2098
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2099
  apply libswscale.pc sed s/^Libs:.*$/Libs:/
2100
  apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2101
fi