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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-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-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      open libfaad.so.0 at runtime [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-libx264         enable H.264 encoding via x264 [default=no]"
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  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [default=no]"
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  echo ""
102
  echo "Advanced options (experts only):"
103
  echo "  --source-path=PATH       path to source code [$source_path]"
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  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
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  echo "  --cross-compile          assume a cross-compiler is used"
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  echo "  --target-os=OS           compiler targets OS [$targetos]"
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  echo "  --cc=CC                  use C compiler CC [$cc]"
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  echo "  --make=MAKE              use specified make [$make]"
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  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 [$ELIBS]"
112
  echo "  --build-suffix=SUFFIX    suffix for application specific build []"
113
  echo "  --arch=ARCH              select architecture  [$arch]"
114
  echo "  --cpu=CPU                selects the minimum cpu required (affects"
115
  echo "                           instruction selection, may crash on older CPUs)"
116
  echo "  --enable-powerpc-perf    enable performance report on PPC"
117
  echo "                           (requires enabling PMC)"
118
  echo "  --disable-mmx            disable MMX usage"
119
  echo "  --disable-armv5te        disable armv5te usage"
120
  echo "  --disable-armv6          disable armv6 usage"
121
  echo "  --disable-iwmmxt         disable iwmmxt usage"
122
  echo "  --disable-altivec        disable AltiVec usage"
123
  echo "  --disable-audio-oss      disable OSS audio support [default=no]"
124
  echo "  --disable-audio-beos     disable BeOS audio support [default=no]"
125
  echo "  --disable-v4l            disable video4linux grabbing [default=no]"
126
  echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"
127
  echo "  --disable-bktr           disable bktr video grabbing [default=no]"
128
  echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"
129
  echo "  --disable-network        disable network support [default=no]"
130
  echo "  --disable-ipv6           disable ipv6 support [default=no]"
131
  echo "  --disable-zlib           disable zlib [default=no]"
132
  echo "  --disable-vhook          disable video hooking support"
133
  echo "  --disable-debug          disable debugging symbols"
134
  echo "  --disable-mpegaudio-hp   faster (but less accurate)"
135
  echo "                           MPEG audio decoding [default=no]"
136
  echo "  --enable-gray            enable full grayscale support (slower color)"
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  echo "  --disable-ffmpeg         disable ffmpeg build"
138
  echo "  --disable-ffserver       disable ffserver build"
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  echo "  --disable-ffplay         disable ffplay build"
140
  echo "  --enable-small           optimize for size instead of speed"
141
  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
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  echo "  --disable-encoder=NAME   disables encoder NAME"
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  echo "  --enable-encoder=NAME    enables encoder NAME"
144
  echo "  --disable-decoder=NAME   disables decoder NAME"
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  echo "  --enable-decoder=NAME    enables decoder NAME"
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  echo "  --disable-encoders       disables all encoders"
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  echo "  --disable-decoders       disables all decoders"
148
  echo "  --disable-muxer=NAME     disables muxer NAME"
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  echo "  --enable-muxer=NAME      enables muxer NAME"
150
  echo "  --disable-muxers         disables all muxers"
151
  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"
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  echo "  --enable-parser=NAME     enables parser NAME"
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  echo "  --disable-parser=NAME    disables parser NAME"
156
  echo "  --disable-parsers        disables all parsers"
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  echo "  --enable-bsf=NAME        enables bitstream filter NAME"
158
  echo "  --disable-bsf=NAME       disables bitstream filter NAME"
159
  echo "  --disable-bsfs           disables all bitstream filters"
160
  echo "  --enable-protocol=NAME   enables protocol NAME"
161
  echo "  --disable-protocol=NAME  disables protocol NAME"
162
  echo "  --disable-protocols      disables all protocols"
163
  echo "  --list-decoders          show all available decoders"
164
  echo "  --list-encoders          show all available encoders"
165
  echo "  --list-muxers            show all available muxers"
166
  echo "  --list-demuxers          show all available demuxers"
167
  echo "  --list-parsers           show all available parsers"
168
  echo "  --list-protocols         show all available protocols"
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  echo "  --list-bsfs              show all available bitstream filters"
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  echo
171
  echo "Developer options (useful when working on FFmpeg itself):"
172
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
173
  echo "  --disable-opts           disable compiler optimizations"
174
  echo "  --enable-extra-warnings  enable more compiler warnings"
175
  echo "  --disable-strip          disable stripping of executables and shared libraries"
176
  echo ""
177
  echo "NOTE: Object files are built at the place where configure is launched."
178
  exit 1
179
}
180

    
181
log(){
182
    echo "$@" >>$logfile
183
}
184

    
185
log_file(){
186
    log BEGIN $1
187
    cat -n $1 >>$logfile
188
    log END $1
189
}
190

    
191
echolog(){
192
    log "$@"
193
    echo "$@"
194
}
195

    
196
die(){
197
    echolog "$@"
198
    cat <<EOF
199
If you think configure made a mistake, make sure you are using the latest
200
version from SVN.  If the latest version fails, report the problem to the
201
ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
202
EOF
203
    if enabled logging; then
204
        cat <<EOF
205
Include the log file "$logfile" produced by configure as this will help
206
solving the problem.
207
EOF
208
    else
209
cat <<EOF
210
Rerun configure with logging enabled (do not use --log=no), and include the
211
log this produces with your report.
212
EOF
213
    fi
214
    rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
215
    exit 1
216
}
217

    
218
# "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
219
toupper(){
220
    echo "$@" | tr '[a-z]' '[A-Z]'
221
}
222

    
223
tolower(){
224
    echo "$@" | tr '[A-Z]' '[a-z]'
225
}
226

    
227
set_all(){
228
    value=$1
229
    shift
230
    for var in $*; do
231
        eval $var=$value
232
    done
233
}
234

    
235
pushvar(){
236
    for var in $*; do
237
        eval level=\${${var}_level:=0}
238
        eval ${var}_${level}="\$$var"
239
        eval ${var}_level=$(($level+1))
240
    done
241
}
242

    
243
popvar(){
244
    for var in $*; do
245
        eval level=\${${var}_level:-0}
246
        test $level = 0 && continue
247
        eval level=$(($level-1))
248
        eval $var="\${${var}_${level}}"
249
        eval ${var}_level=$level
250
        eval unset ${var}_${level}
251
    done
252
}
253

    
254
enable(){
255
    set_all yes $*
256
}
257

    
258
disable(){
259
    set_all no $*
260
}
261

    
262
enabled(){
263
    eval test "x\$$1" = "xyes"
264
}
265

    
266
disabled(){
267
    eval test "x\$$1" = "xno"
268
}
269

    
270
enabled_all(){
271
    for opt; do
272
        enabled $opt || return 1
273
    done
274
}
275

    
276
disabled_all(){
277
    for opt; do
278
        disabled $opt || return 1
279
    done
280
}
281

    
282
enabled_any(){
283
    for opt; do
284
        enabled $opt && return 0
285
    done
286
}
287

    
288
disabled_any(){
289
    for opt; do
290
        disabled $opt && return 0
291
    done
292
}
293

    
294
check_deps(){
295
    for cfg; do
296
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
297
        disabled ${cfg}_checking && continue
298
        enable ${cfg}_checking
299

    
300
        eval dep_all="\$${cfg}_deps"
301
        eval dep_any="\$${cfg}_deps_any"
302

    
303
        pushvar cfg dep_all dep_any
304
        check_deps $dep_all $dep_any
305
        popvar cfg dep_all dep_any
306

    
307
        enabled_all $dep_all || disable $cfg
308
        enabled_any $dep_any || disable $cfg
309

    
310
        disable ${cfg}_checking
311
    done
312
}
313

    
314
print_config(){
315
    pfx=$1
316
    header=$2
317
    makefile=$3
318
    shift 3
319
    for cfg; do
320
        ucname="`toupper $cfg`"
321
        if enabled $cfg; then
322
            echo "#define ${pfx}${ucname} 1" >> $header
323
            echo "#define ENABLE_${ucname} 1" >> $header
324
            echo "${pfx}${ucname}=yes" >> $makefile
325
        else
326
            echo "#define ENABLE_${ucname} 0" >> $header
327
        fi
328
    done
329
}
330

    
331
flags_saved(){
332
    (: ${SAVE_CFLAGS?}) 2>/dev/null
333
}
334

    
335
save_flags(){
336
    flags_saved && return
337
    SAVE_CFLAGS="$CFLAGS"
338
    SAVE_LDFLAGS="$LDFLAGS"
339
    SAVE_extralibs="$extralibs"
340
}
341

    
342
restore_flags(){
343
    flags_saved || return
344
    CFLAGS="$SAVE_CFLAGS"
345
    LDFLAGS="$SAVE_LDFLAGS"
346
    extralibs="$SAVE_extralibs"
347
    unset SAVE_CFLAGS
348
    unset SAVE_LDFLAGS
349
    unset SAVE_extralibs
350
}
351

    
352
temp_cflags(){
353
    save_flags
354
    CFLAGS="$CFLAGS $*"
355
}
356

    
357
temp_ldflags(){
358
    save_flags
359
    LDFLAGS="$LDFLAGS $*"
360
}
361

    
362
temp_extralibs(){
363
    save_flags
364
    extralibs="$extralibs $*"
365
}
366

    
367
append(){
368
    var=$1
369
    shift
370
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
371
    eval "$var=\"\$$var $*\""
372
}
373

    
374
add_cflags(){
375
    append CFLAGS "$@"
376
}
377

    
378
add_ldflags(){
379
    append LDFLAGS "$@"
380
}
381

    
382
add_extralibs(){
383
    append extralibs "$@"
384
}
385

    
386
check_cmd(){
387
    log "$@"
388
    "$@" >>$logfile 2>&1
389
}
390

    
391
check_cc(){
392
    log check_cc "$@"
393
    cat >$TMPC
394
    log_file $TMPC
395
    check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
396
}
397

    
398
check_cpp(){
399
    log check_cpp "$@"
400
    cat >$TMPC
401
    log_file $TMPC
402
    check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
403
}
404

    
405
check_ld(){
406
    log check_ld "$@"
407
    check_cc || return
408
    flags=''
409
    libs=''
410
    for f; do
411
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
412
    done
413
    check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
414
}
415

    
416
check_cflags(){
417
    log check_cflags "$@"
418
    check_cc "$@" <<EOF && add_cflags "$@"
419
int x;
420
EOF
421
}
422

    
423
check_ldflags(){
424
    log check_ldflags "$@"
425
    check_ld "$@" <<EOF && add_ldflags "$@"
426
int main(){
427
    return 0;
428
}
429
EOF
430
}
431

    
432
check_header(){
433
    log check_header "$@"
434
    header=$1
435
    shift
436
    var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
437
    disable $var
438
    check_cpp "$@" <<EOF && enable $var
439
#include <$header>
440
int x;
441
EOF
442
}
443

    
444
check_func(){
445
    log check_func "$@"
446
    func=$1
447
    shift
448
    disable $func
449
    check_ld "$@" <<EOF && enable $func
450
extern int $func();
451
int main(){
452
    $func();
453
}
454
EOF
455
}
456

    
457
check_func2(){
458
    log check_func2 "$@"
459
    headers=$1
460
    func=$2
461
    shift 2
462
    disable $func
463
    incs=""
464
    for hdr in $headers; do
465
        incs="$incs
466
#include <$hdr>"
467
    done
468
    check_ld "$@" <<EOF && enable $func
469
$incs
470
int main(){
471
    (void) $func;
472
    return 0;
473
}
474
EOF
475
}
476

    
477
check_lib(){
478
    log check_lib "$@"
479
    header="$1"
480
    func="$2"
481
    shift 2
482
    temp_extralibs "$@"
483
    check_header $header && check_func $func && add_extralibs "$@"
484
    err=$?
485
    restore_flags
486
    return $err
487
}
488

    
489
check_lib2(){
490
    log check_lib2 "$@"
491
    headers="$1"
492
    func="$2"
493
    shift 2
494
    temp_extralibs "$@"
495
    check_func2 "$headers" $func && add_extralibs "$@"
496
    err=$?
497
    restore_flags
498
    return $err
499
}
500

    
501
check_exec(){
502
    check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
503
}
504

    
505
check_exec_crash(){
506
    code=`cat`
507

    
508
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
509
    # are safe but may not be available everywhere.  Thus we use
510
    # raise(SIGTERM) instead.  The check is run in a subshell so we
511
    # can redirect the "Terminated" message from the shell.  SIGBUS
512
    # is not defined by standard C so it is used conditionally.
513

    
514
    (check_exec "$@") >>$logfile 2>&1 <<EOF
515
#include <signal.h>
516
static void sighandler(int sig){
517
    raise(SIGTERM);
518
}
519
int main(){
520
    signal(SIGILL, sighandler);
521
    signal(SIGFPE, sighandler);
522
    signal(SIGSEGV, sighandler);
523
#ifdef SIGBUS
524
    signal(SIGBUS, sighandler);
525
#endif
526
    { $code }
527
}
528
EOF
529
}
530

    
531
require(){
532
    name="$1"
533
    header="$2"
534
    func="$3"
535
    shift 3
536
    check_lib $header $func "$@" || die "ERROR: $name not found"
537
}
538

    
539
require2(){
540
    name="$1"
541
    headers="$2"
542
    func="$3"
543
    shift 3
544
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
545
}
546

    
547
check_foo_config(){
548
    cfg=$1
549
    pkg=$2
550
    header=$3
551
    func=$4
552
    shift 4
553
    disable $cfg
554
    check_cmd ${pkg}-config --version
555
    err=$?
556
    if test "$err" = 0; then
557
        temp_cflags `${pkg}-config --cflags`
558
        temp_extralibs `${pkg}-config --libs`
559
        check_lib "$@" $header $func && enable $cfg
560
    fi
561
    return $err
562
}
563

    
564
apply(){
565
    file=$1
566
    shift
567
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
568
}
569

    
570
CONFIG_LIST='
571
    encoders
572
    decoders
573
    parsers
574
    bsfs
575
    muxers
576
    demuxers
577
    audio_beos
578
    audio_oss
579
    avisynth
580
    beos_netserver
581
    bktr
582
    dc1394
583
    dv1394
584
    ffmpeg
585
    ffplay
586
    ffserver
587
    gpl
588
    gprof
589
    ipv6
590
    liba52
591
    liba52bin
592
    libamr
593
    libamr_nb
594
    libamr_wb
595
    libfaac
596
    libfaad
597
    libfaadbin
598
    libgsm
599
    libmp3lame
600
    libnut
601
    libogg
602
    libtheora
603
    libvorbis
604
    libx264
605
    libxvid
606
    memalign_hack
607
    mpegaudio_hp
608
    network
609
    powerpc_perf
610
    pp
611
    protocols
612
    small
613
    swscaler
614
    vhook
615
    v4l
616
    v4l2
617
    x11grab
618
    zlib
619
    gray
620
'
621

    
622
THREADS_LIST='
623
    beosthreads
624
    pthreads
625
    w32threads
626
'
627

    
628
ARCH_LIST='
629
    alpha
630
    armv4l
631
    bfin
632
    ia64
633
    m68k
634
    mips
635
    parisc
636
    powerpc
637
    s390
638
    sh4
639
    sparc
640
    sparc64
641
    x86
642
    x86_32
643
    x86_64
644
'
645

    
646
ARCH_EXT_LIST='
647
    altivec
648
    armv5te
649
    armv6
650
    iwmmxt
651
    mmi
652
    mmx
653
    ssse3
654
'
655

    
656
HAVE_LIST="
657
    $ARCH_EXT_LIST
658
    $THREADS_LIST
659
    altivec_h
660
    arpa_inet_h
661
    byteswap_h
662
    cmov
663
    conio_h
664
    dcbzl
665
    dev_bktr_ioctl_bt848_h
666
    dev_bktr_ioctl_meteor_h
667
    dev_ic_bt8xx_h
668
    dev_video_meteor_ioctl_meteor_h
669
    dev_video_bktr_ioctl_bt848_h
670
    dlfcn_h
671
    dlopen
672
    ebp_available
673
    ebx_available
674
    fast_64bit
675
    fast_cmov
676
    fast_unaligned
677
    fork
678
    freetype2
679
    GetProcessTimes
680
    getrusage
681
    imlib2
682
    inet_aton
683
    lrintf
684
    machine_ioctl_bt848_h
685
    machine_ioctl_meteor_h
686
    malloc_h
687
    memalign
688
    mkstemp
689
    mlib
690
    ppc64
691
    sdl
692
    sdl_video_size
693
    soundcard_h
694
    sys_poll_h
695
    sys_soundcard_h
696
    termios_h
697
    threads
698
"
699

    
700
CMDLINE_SELECT="
701
    $ARCH_EXT_LIST
702
    $CONFIG_LIST
703
    $THREADS_LIST
704
    debug
705
    extra_warnings
706
    shared
707
    static
708
"
709

    
710
# code dependency declarations
711

    
712
# architecture extensions
713
altivec_deps="powerpc"
714
armv5te_deps="armv4l"
715
armv6_deps="armv4l"
716
iwmmxt_deps="armv4l"
717
mmi_deps="mips"
718
mmx_deps="x86"
719
ssse3_deps="x86"
720

    
721
# decoders / encoders
722
dxa_decoder_deps="zlib"
723
flashsv_decoder_deps="zlib"
724
flashsv_encoder_deps="zlib"
725
flv_decoder_deps="h263_decoder"
726
h263_decoder_deps="h263_parser mpeg4video_parser"
727
h263i_decoder_deps="h263_decoder"
728
h264_decoder_deps="h264_parser"
729
mpeg_xvmc_decoder_deps="xvmc"
730
mpeg4_decoder_deps="h263_decoder"
731
msmpeg4v1_decoder_deps="h263_decoder"
732
msmpeg4v2_decoder_deps="h263_decoder"
733
msmpeg4v3_decoder_deps="h263_decoder"
734
png_decoder_deps="zlib"
735
png_encoder_deps="zlib"
736
svq3_decoder_deps="h264_parser"
737
vc1_decoder_deps="h263_decoder"
738
wmv1_decoder_deps="h263_decoder"
739
wmv2_decoder_deps="h263_decoder"
740
wmv3_decoder_deps="h263_decoder"
741
zmbv_decoder_deps="zlib"
742
zmbv_encoder_deps="zlib"
743

    
744
# external libraries
745
mpeg4aac_decoder_deps="libfaad"
746
liba52_decoder_deps="liba52"
747
libamr_nb_decoder_deps="libamr_nb"
748
libamr_nb_encoder_deps="libamr_nb"
749
libamr_wb_decoder_deps="libamr_wb"
750
libamr_wb_encoder_deps="libamr_wb"
751
libfaac_encoder_deps="libfaac"
752
libfaad_decoder_deps="libfaad"
753
libgsm_decoder_deps="libgsm"
754
libgsm_encoder_deps="libgsm"
755
libgsm_ms_decoder_deps="libgsm"
756
libgsm_ms_encoder_deps="libgsm"
757
libmp3lame_encoder_deps="libmp3lame"
758
libtheora_encoder_deps="libtheora"
759
libvorbis_decoder_deps="libvorbis"
760
libvorbis_encoder_deps="libvorbis"
761
libx264_encoder_deps="libx264"
762
libxvid_encoder_deps="libxvid"
763

    
764
# demuxers / muxers
765
ac3_demuxer_deps="ac3_parser"
766
audio_demuxer_deps_any="audio_oss audio_beos"
767
audio_muxer_deps_any="audio_oss audio_beos"
768
dc1394_demuxer_deps="dc1394"
769
dv1394_demuxer_deps="dv1394"
770
libnut_demuxer_deps="libnut"
771
libnut_muxer_deps="libnut"
772
mp3_demuxer_deps="mpegaudio_parser"
773
ogg_muxer_deps="libogg"
774
redir_demuxer_deps="network"
775
rtp_muxer_deps="network mpegts_demuxer"
776
rtsp_demuxer_deps="rtp_protocol rtp_muxer"
777
sdp_demuxer_deps="rtsp_demuxer"
778
v4l2_demuxer_deps="v4l2"
779
video_grab_bktr_demuxer_deps="bktr"
780
video_grab_v4l_demuxer_deps="v4l"
781
x11_grab_device_demuxer_deps="x11grab"
782

    
783
# protocols
784
http_protocol_deps="network"
785
rtp_protocol_deps="udp_protocol"
786
tcp_protocol_deps="network"
787
udp_protocol_deps="network"
788

    
789
# programs
790
ffplay_deps="sdl"
791
ffserver_deps="muxers rtp_protocol"
792

    
793

    
794
# set temporary file name
795
if test ! -z "$TMPDIR" ; then
796
    TMPDIR1="${TMPDIR}"
797
elif test ! -z "$TEMPDIR" ; then
798
    TMPDIR1="${TEMPDIR}"
799
else
800
    TMPDIR1="/tmp"
801
fi
802

    
803
TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
804
TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
805
TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
806
TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
807
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
808

    
809
# default parameters
810

    
811
logging="yes"
812
logfile="config.err"
813

    
814
# installation paths
815
PREFIX="/usr/local"
816
libdir='$(PREFIX)/lib'
817
shlibdir="$libdir"
818
incdir='$(PREFIX)/include/ffmpeg'
819
mandir='$(PREFIX)/man'
820
bindir='$(PREFIX)/bin'
821

    
822
# toolchain
823
cross_prefix=""
824
cross_compile="no"
825
cc="gcc"
826
ar="ar"
827
ranlib="ranlib"
828
make="make"
829
strip="strip"
830
asmalign_pot="unknown"
831

    
832
# machine
833
arch=`uname -m`
834
cpu="generic"
835

    
836
# OS
837
targetos=$(tolower $(uname -s))
838

    
839
# non-library system interfaces
840
audio_oss="yes"
841
bktr="yes"
842
dv1394="yes"
843
v4l2="yes"
844
v4l="yes"
845

    
846
# libraries
847
zlib="yes"
848

    
849
# configurable options
850
debug="yes"
851
dostrip="yes"
852
ffmpeg="yes"
853
ffplay="yes"
854
ffserver="yes"
855
gpl="no"
856
ipv6="yes"
857
shared="no"
858
static="yes"
859
memalign_hack="no"
860
mpegaudio_hp="yes"
861
network="yes"
862
optimize="yes"
863
protocols="yes"
864
vhook="default"
865

    
866
# build settings
867
SHFLAGS='-shared -Wl,-soname,$@'
868
VHOOKSHFLAGS='$(SHFLAGS)'
869
LIBOBJFLAGS=""
870
FFLDFLAGS=
871
LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
872
FFSERVERLDFLAGS=-Wl,-E
873
LDCONFIG="ldconfig"
874
LIBPREF="lib"
875
LIBSUF=".a"
876
LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
877
SLIBPREF="lib"
878
SLIBSUF=".so"
879
SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
880
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
881
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
882
EXESUF=""
883
BUILDSUF=""
884
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIB)"'
885

    
886
# find source path
887
source_path="`dirname \"$0\"`"
888
source_path_used="yes"
889
if test -z "$source_path" -o "$source_path" = "." ; then
890
    source_path="`pwd`"
891
    source_path_used="no"
892
else
893
    source_path="`cd \"$source_path\"; pwd`"
894
    echo "$source_path" | grep -q '[[:blank:]]' &&
895
      die "Out of tree builds are impossible with whitespace in source path."
896
fi
897

    
898
if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
899
    show_help
900
fi
901

    
902
FFMPEG_CONFIGURATION="$@"
903

    
904
ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
905
DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
906
PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
907
BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
908
MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
909
DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
910
PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
911

    
912
enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
913
enable $ARCH_EXT_LIST
914

    
915
die_unknown(){
916
    echo "Unknown option \"$1\"."
917
    echo "See $0 --help for available options."
918
    exit 1
919
}
920

    
921
show_list() {
922
    for part in $*; do
923
        echo $part | sed 's/_[^_]*$//'
924
    done | sort
925
    exit 0
926
}
927

    
928
for opt do
929
  optval="${opt#*=}"
930
  case "$opt" in
931
  --log)
932
  ;;
933
  --log=*) logging="$optval"
934
  ;;
935
  --prefix=*) PREFIX="$optval"
936
  ;;
937
  --libdir=*) libdir="$optval"
938
  ;;
939
  --shlibdir=*) shlibdir="$optval"
940
  ;;
941
  --incdir=*) incdir="$optval"
942
  ;;
943
  --mandir=*) mandir="$optval"
944
  ;;
945
  --source-path=*) source_path="$optval"
946
  ;;
947
  --cross-prefix=*) cross_prefix="$optval"
948
  ;;
949
  --cross-compile) cross_compile="yes"
950
  ;;
951
  --target-os=*) targetos="$optval"
952
  ;;
953
  --cc=*) cc="$optval"
954
  ;;
955
  --make=*) make="$optval"
956
  ;;
957
  --extra-cflags=*) add_cflags "$optval"
958
  ;;
959
  --extra-ldflags=*) add_ldflags "$optval"
960
  ;;
961
  --extra-libs=*) add_extralibs "$optval"
962
  ;;
963
  --build-suffix=*) BUILDSUF="$optval"
964
  ;;
965
  --arch=*) arch="$optval"
966
  ;;
967
  --cpu=*) cpu="$optval"
968
  ;;
969
  --disable-opts) optimize="no"
970
  ;;
971
  --enable-sunmlib) mlib="yes"
972
  ;;
973
  --disable-strip) dostrip="no"
974
  ;;
975
  --disable-encoders) disable $ENCODER_LIST
976
  ;;
977
  --disable-decoders) disable $DECODER_LIST
978
  ;;
979
  --disable-muxers) disable $MUXER_LIST
980
  ;;
981
  --disable-demuxers) disable $DEMUXER_LIST
982
  ;;
983
  --disable-parsers) disable $PARSER_LIST
984
  ;;
985
  --disable-bsfs) disable $BSF_LIST
986
  ;;
987
  --disable-protocols) disable $PROTOCOL_LIST
988
  ;;
989
  --enable-*=*|--disable-*=*)
990
  eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
991
  case "$thing" in
992
      encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
993
      *) die_unknown "$opt" ;;
994
  esac
995
  ;;
996
  --enable-?*|--disable-?*)
997
  eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
998
  echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
999
  $action $option
1000
  ;;
1001
  --list-*)
1002
    NAME="${opt#--list-}"
1003
    NAME=$(toupper ${NAME%s})
1004
    eval show_list \$${NAME}_LIST
1005
  ;;
1006
  --help) show_help
1007
  ;;
1008
  *)
1009
  die_unknown $opt
1010
  ;;
1011
  esac
1012
done
1013

    
1014
case "$arch" in
1015
  i386|i486|i586|i686|i86pc|BePC)
1016
    arch="x86_32"
1017
    enable fast_unaligned
1018
  ;;
1019
  x86_64|amd64)
1020
    arch="x86_32"
1021
    enable fast_unaligned
1022
    canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1023
    if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1024
      if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
1025
        arch="x86_64"
1026
        enable fast_64bit
1027
      fi
1028
    fi
1029
  ;;
1030
  # armv4l is a subset of armv[567]*l
1031
  arm|armv[4567]*l)
1032
    arch="armv4l"
1033
  ;;
1034
  alpha)
1035
    arch="alpha"
1036
    enable fast_64bit
1037
  ;;
1038
  "Power Macintosh"|ppc|powerpc)
1039
    arch="powerpc"
1040
  ;;
1041
  ppc64)
1042
    arch="powerpc"
1043
    enable fast_64bit
1044
  ;;
1045
  mips|mipsel|IP*)
1046
    arch="mips"
1047
  ;;
1048
  sun4u|sparc64)
1049
    arch="sparc64"
1050
    enable fast_64bit
1051
  ;;
1052
  sparc)
1053
    arch="sparc"
1054
  ;;
1055
  sh4)
1056
    arch="sh4"
1057
  ;;
1058
  parisc)
1059
    arch="parisc"
1060
  ;;
1061
  parisc64)
1062
    arch="parisc"
1063
    enable fast_64bit
1064
  ;;
1065
  s390|s390x)
1066
    arch="s390"
1067
  ;;
1068
  m68k)
1069
    arch="m68k"
1070
  ;;
1071
  ia64)
1072
    arch="ia64"
1073
    enable fast_64bit
1074
  ;;
1075
  bfin)
1076
    arch="bfin"
1077
  ;;
1078
  *)
1079
    arch="unknown"
1080
  ;;
1081
esac
1082

    
1083
enable $arch
1084
enabled_any x86_32 x86_64 && enable x86
1085
enabled     sparc64       && enable sparc
1086

    
1087
# OS specific
1088
osextralibs="-lm"
1089
case $targetos in
1090
  beos|haiku|zeta)
1091
    PREFIX="$HOME/config"
1092
    # helps building libavcodec
1093
    add_cflags "-DPIC -fomit-frame-pointer"
1094
    # 3 gcc releases known for BeOS, each with ugly bugs
1095
    gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1096
    case "$gcc_version" in
1097
      2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1098
        mmx="no"
1099
        ;;
1100
      *20010315*) echo "BeBits gcc"
1101
        add_cflags "-fno-expensive-optimizations"
1102
        ;;
1103
    esac
1104
    LDCONFIG="echo ignoring ldconfig"
1105
    SHFLAGS=-nostart
1106
    # disable Linux things
1107
    dv1394="no"
1108
    # enable BeOS things
1109
    disabled audio_beos || enable_audio_beos
1110
    # no need for libm, but the inet stuff
1111
    # Check for BONE
1112
    # XXX: actually should check for NOT net_server
1113
    if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1114
        osextralibs="-lbind -lsocket"
1115
    else
1116
        beos_netserver="yes"
1117
        osextralibs="-lnet"
1118
    fi ;;
1119
  sunos)
1120
    dv1394="no"
1121
    FFLDFLAGS=""
1122
    FFSERVERLDFLAGS=""
1123
    SHFLAGS="-shared -Wl,-h,\$@"
1124
    add_extralibs "-lsocket -lnsl"
1125
    ;;
1126
  netbsd)
1127
    dv1394="no"
1128
    add_extralibs "-lossaudio"
1129
    ;;
1130
  openbsd)
1131
    dv1394="no"
1132
    need_memalign="no"
1133
    LIBOBJFLAGS="\$(PIC)"
1134
    LDCONFIG="ldconfig -m \$(SHLIBDIR)"
1135
    SHFLAGS='-shared'
1136
    SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1137
    SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1138
    SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1139
    add_extralibs "-lossaudio"
1140
    ;;
1141
  freebsd)
1142
    dv1394="no"
1143
    need_memalign="no"
1144
    add_cflags "-pthread"
1145
    ;;
1146
  gnu/kfreebsd)
1147
    dv1394="no"
1148
    add_cflags "-pthread"
1149
    ;;
1150
  bsd/os)
1151
    dv1394="no"
1152
    osextralibs="-lpoll -lgnugetopt -lm"
1153
    strip="strip -d"
1154
    ;;
1155
  darwin)
1156
    dv1394="no"
1157
    need_memalign="no"
1158
    SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(SHLIBDIR)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1159
    VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$@'
1160
    osextralibs=""
1161
    strip="strip -x"
1162
    FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1163
    SLIBSUF=".dylib"
1164
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1165
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1166
    FFSERVERLDFLAGS=-Wl,-bind_at_load
1167
    ;;
1168
  mingw32*)
1169
    targetos=mingw32
1170
    shlibdir="$bindir"
1171
    dv1394="no"
1172
    VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1173
    VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1174
    ffserver="no"
1175
    network="no"
1176
    SLIBPREF=""
1177
    SLIBSUF=".dll"
1178
    EXESUF=".exe"
1179
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1180
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1181
    SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1182
    SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(SHLIBDIR)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1183
    SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base"
1184
    enabled network && add_extralibs -lws2_32
1185
    ;;
1186
  cygwin*)
1187
    targetos=cygwin
1188
    shlibdir="$bindir"
1189
    dv1394="no"
1190
    VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1191
    VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1192
    if enabled swscaler; then
1193
        VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1194
        VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1195
    fi
1196
    osextralibs=""
1197
    EXESUF=".exe"
1198
    SLIBPREF="cyg"
1199
    SLIBSUF=".dll"
1200
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1201
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1202
    SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a -Wl,--enable-auto-image-base'
1203
    ;;
1204
  linux)
1205
    LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1206
    ;;
1207
  irix*)
1208
    targetos=irix
1209
    ranlib="echo ignoring ranlib"
1210
    ;;
1211
  *)
1212
    targetos="${targetos}-UNKNOWN"
1213
    ;;
1214
esac
1215

    
1216
add_extralibs $osextralibs
1217

    
1218
if ! disabled logging ; then
1219
    enabled logging || logfile="$logging"
1220
    echo "# $0 $@" >$logfile
1221
    set >>$logfile
1222
else
1223
    logfile=/dev/null
1224
fi
1225

    
1226
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1227
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1228

    
1229
test -n "$cross_prefix" && cross_compile=yes
1230
cc="${cross_prefix}${cc}"
1231
ar="${cross_prefix}${ar}"
1232
ranlib="${cross_prefix}${ranlib}"
1233
strip="${cross_prefix}${strip}"
1234

    
1235
# we need to build at least one lib type
1236
if disabled_all static shared; then
1237
    cat <<EOF
1238
At least one library type must be built.
1239
Specify --enable-static to build the static libraries or --enable-shared to
1240
build the shared libraries as well. To only build the shared libraries specify
1241
--disable-static in addition to --enable-shared.
1242
EOF
1243
    exit 1;
1244
fi
1245

    
1246
if disabled libogg; then
1247
    enabled libtheora && die "libogg must be enabled to enable libtheora."
1248
    enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1249
fi
1250

    
1251
if enabled_any libfaad libfaadbin ; then
1252
    if check_header faad.h; then
1253
        check_cc << EOF
1254
#include <faad.h>
1255
#ifndef FAAD2_VERSION
1256
ok faad1
1257
#endif
1258
int main( void ) { return 0; }
1259
EOF
1260
        test $? = 0 && enable libfaad2
1261
    else
1262
        die "FAAD test failed."
1263
    fi
1264
fi
1265

    
1266

    
1267
if disabled gpl ; then
1268
    die_gpl_disabled(){
1269
        name=$1
1270
        shift
1271
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1272
    }
1273
    die_gpl_disabled "The Postprocessing code" pp
1274
    die_gpl_disabled "liba52"                  liba52
1275
    die_gpl_disabled "libx264"                 libx264
1276
    die_gpl_disabled "libxvidcore"             libxvid
1277
    die_gpl_disabled "FAAD2"                   libfaad2
1278
    die_gpl_disabled "The X11 grabber"         x11grab
1279
    die_gpl_disabled "The software scaler"     swscaler
1280
fi
1281

    
1282
check_deps $ARCH_EXT_LIST
1283

    
1284
test -z "$need_memalign" && need_memalign="$mmx"
1285

    
1286
#Darwin CC versions
1287
needmdynamicnopic="no"
1288
if test $targetos = darwin; then
1289
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1290
        add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1291
    else
1292
        add_cflags "-no-cpp-precomp -pipe"
1293
        check_cflags "-force_cpusubtype_ALL"
1294
        check_cflags "-Wno-sign-compare"
1295
        disabled shared && needmdynamicnopic="yes"
1296
    fi
1297
fi
1298
enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1299

    
1300
disabled optimize || add_cflags -fomit-frame-pointer
1301

    
1302
# Add processor-specific flags
1303
if test $cpu != "generic"; then
1304
    warn_altivec(){
1305
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1306
    }
1307
    case $cpu in
1308
        601|ppc601|PowerPC601)
1309
            add_cflags "-mcpu=601"
1310
            warn_altivec enabled PPC601
1311
        ;;
1312
        603*|ppc603*|PowerPC603*)
1313
            add_cflags "-mcpu=603"
1314
            warn_altivec enabled PPC603
1315
        ;;
1316
        604*|ppc604*|PowerPC604*)
1317
            add_cflags "-mcpu=604"
1318
            warn_altivec enabled PPC604
1319
        ;;
1320
        G3|g3|75*|ppc75*|PowerPC75*)
1321
            add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1322
            warn_altivec enabled PPC75x
1323
        ;;
1324
        G4|g4|745*|ppc745*|PowerPC745*)
1325
            add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1326
            warn_altivec disabled PPC745x
1327
        ;;
1328
        74*|ppc74*|PowerPC74*)
1329
            add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1330
            warn_altivec disabled PPC74xx
1331
        ;;
1332
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1333
            add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1334
            warn_altivec disabled PPC970
1335
            enable ppc64
1336
        ;;
1337
        Cell|CELL|cell)
1338
            add_cflags "-mcpu=cell"
1339
            warn_altivec disabled Cell
1340
            enable ppc64
1341
        ;;
1342
        # targets that do NOT support conditional mov (cmov)
1343
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1344
            add_cflags "-march=$cpu"
1345
            cmov="no"
1346
        ;;
1347
        # targets that do support conditional mov (cmov)
1348
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1349
            add_cflags "-march=$cpu"
1350
            cmov="yes"
1351
            fast_cmov="yes"
1352
        ;;
1353
        # targets that do support conditional mov but on which it's slow
1354
        pentium4|prescott|nocona)
1355
            add_cflags "-march=$cpu"
1356
            cmov="yes"
1357
            fast_cmov="no"
1358
        ;;
1359
        sparc64)
1360
            add_cflags "-mcpu=v9"
1361
        ;;
1362
        bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1363
            add_cflags "-mfdpic"
1364
            add_ldflags "-mfdpic"
1365
        ;;
1366
        *)
1367
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1368
        ;;
1369
    esac
1370
fi
1371

    
1372
gnu_make(){
1373
    $1 --version 2>&1 | grep -q GNU
1374
}
1375

    
1376
if ! gnu_make $make; then
1377
    gnu_make gmake && make=gmake || die "GNU make not found."
1378
fi
1379

    
1380
# make sure we can execute files in $TMPDIR
1381
cat >$TMPE 2>>$logfile <<EOF
1382
#! /bin/sh
1383
EOF
1384
chmod +x $TMPE >>$logfile 2>&1
1385
if ! $TMPE >>$logfile 2>&1; then
1386
    cat <<EOF
1387
Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1388
variable to another directory and make sure that $TMPDIR1 is not mounted
1389
noexec.
1390
EOF
1391
    die "Sanity test failed."
1392
fi
1393
rm $TMPE
1394

    
1395
# compiler sanity check
1396
check_exec <<EOF
1397
int main(){
1398
    return 0;
1399
}
1400
EOF
1401
if test "$?" != 0; then
1402
    echo "$cc is unable to create an executable file."
1403
    if test -z "$cross_prefix" && disabled cross_compile ; then
1404
        echo "If $cc is a cross-compiler, use the --cross-compile option."
1405
        echo "Only do this if you know what cross compiling means."
1406
    fi
1407
    die "C compiler test failed."
1408
fi
1409

    
1410
if enabled x86; then
1411
    # check whether EBP is available on x86
1412
    # As 'i' is stored on the stack, this program will crash
1413
    # if the base pointer is used to access it because the
1414
    # base pointer is cleared in the inline assembly code.
1415
    check_exec_crash <<EOF && enable ebp_available
1416
    volatile int i=0;
1417
    asm volatile (
1418
        "xorl %%ebp, %%ebp"
1419
    ::: "%ebp");
1420
    return i;
1421
EOF
1422

    
1423
    # check wether EBX is available on x86
1424
    check_cc <<EOF && enable ebx_available
1425
int main(){
1426
    asm volatile ("":::"%ebx");
1427
}
1428
EOF
1429

    
1430
    # check whether binutils is new enough to compile SSSE3
1431
    enabled ssse3 && check_cc <<EOF || disable ssse3
1432
int main(){
1433
    asm volatile ("pabsw %xmm0, %xmm0");
1434
}
1435
EOF
1436
fi
1437

    
1438
# check for assembler specific support
1439

    
1440
if test $arch = "powerpc"; then
1441
check_cc <<EOF && dcbzl=yes
1442
int main(void) {
1443
    register long zero = 0;
1444
    char data[1024];
1445
    asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1446
return 0;
1447
}
1448
EOF
1449
fi
1450

    
1451
# check for SIMD availability
1452

    
1453
# AltiVec flags: The FSF version of GCC differs from the Apple version
1454
if enabled altivec; then
1455
    if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1456
        add_cflags "-faltivec"
1457
    else
1458
        add_cflags "-maltivec -mabi=altivec"
1459
    fi
1460

    
1461
    check_header altivec.h
1462

    
1463
    # check if our compiler supports Motorola AltiVec C API
1464
    if enabled altivec_h; then
1465
        inc_altivec_h="#include <altivec.h>"
1466
    else
1467
        inc_altivec_h=
1468
    fi
1469
    check_cc <<EOF || altivec=no
1470
$inc_altivec_h
1471
int main(void) {
1472
    vector signed int v1, v2, v3;
1473
    v1 = vec_add(v2,v3);
1474
    return 0;
1475
}
1476
EOF
1477
fi
1478

    
1479
# check armv5te instructions support
1480
enabled armv5te && check_cc <<EOF || disable armv5te
1481
int main(void) {
1482
    __asm__ __volatile__ ("qadd r0, r0, r0");
1483
}
1484
EOF
1485

    
1486
enabled armv6 && check_cc <<EOF || disable armv6
1487
int main(void) {
1488
    __asm__ __volatile__ ("sadd16 r0, r0, r0");
1489
}
1490
EOF
1491

    
1492
# check iwmmxt support
1493
enabled iwmmxt && check_cc <<EOF || disable iwmmxt
1494
int main(void) {
1495
    __asm__ __volatile__ ("wunpckelub wr6, wr4");
1496
}
1497
EOF
1498

    
1499
# check if our compiler supports mmi
1500
enabled mmi && check_cc <<EOF || mmi="no"
1501
int main(void) {
1502
    __asm__ ("lq \$2, 0(\$2)");
1503
    return 0;
1504
}
1505
EOF
1506

    
1507
# ---
1508
# big/little-endian test
1509
if disabled cross_compile; then
1510
    check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1511
#include <inttypes.h>
1512
int main(int argc, char ** argv){
1513
        volatile uint32_t i=0x01234567;
1514
        return (*((uint8_t*)(&i))) == 0x67;
1515
}
1516
EOF
1517
else
1518
    # programs cannot be launched if cross compiling, so make a static guess
1519
    if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1520
        bigendian="yes"
1521
    fi
1522
fi
1523

    
1524
# ---
1525
# check availability of some header files
1526

    
1527
check_header malloc.h
1528
check_func memalign
1529

    
1530
if disabled_all memalign memalign_hack && enabled need_memalign ; then
1531
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1532
fi
1533

    
1534
check_header byteswap.h
1535

    
1536
check_func mkstemp
1537

    
1538
check_header termios.h
1539
check_header conio.h
1540

    
1541
check_header arpa/inet.h
1542

    
1543
check_func inet_aton
1544
enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1545

    
1546
# ffserver uses poll(),
1547
# if it's not found we can emulate it using select().
1548
if enabled ffserver; then
1549
    check_header sys/poll.h
1550
fi
1551

    
1552
# check for some common methods of building with pthread support
1553
# do this before the optional library checks as some of them require pthreads
1554
if enabled pthreads; then
1555
    if check_func pthread_create; then
1556
        :
1557
    elif check_func pthread_create -pthread; then
1558
        add_cflags -pthread
1559
        add_ldflags -pthread
1560
    elif check_func pthread_create -pthreads; then
1561
        add_cflags -pthreads
1562
        add_ldflags -pthreads
1563
    elif ! check_lib pthread.h pthread_create -lpthread; then
1564
        die "ERROR: can't find pthreads library"
1565
    fi
1566
fi
1567

    
1568
for thread in $THREADS_LIST; do
1569
    if enabled $thread; then
1570
        if test -n "$thread_type"; then
1571
            die "ERROR: Only one thread type must be selected."
1572
        else
1573
            thread_type="$thread"
1574
        fi
1575
    fi
1576
done
1577

    
1578
# test for lrintf in math.h
1579
check_exec <<EOF && lrintf=yes || lrintf=no
1580
#define _ISOC9X_SOURCE  1
1581
#include <math.h>
1582
int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1583
EOF
1584

    
1585
enabled_any libamr_nb libamr_wb && enable libamr
1586

    
1587
# these are off by default, so fail if requested and not available
1588
enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1589
enabled libamr_nb  && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1590
enabled libamr_wb  && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1591
enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1592
enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1593
enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1594
enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1595
enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1596
enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1597
enabled libx264    && require x264 x264.h x264_encoder_open -lx264
1598
enabled libxvid    && require Xvid xvid.h xvid_global -lxvidcore
1599
enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1600
enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1601
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1602
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1603
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1604

    
1605
_restrict=
1606
for restrict_keyword in restrict __restrict__ __restrict; do
1607
    check_cc <<EOF && _restrict=$restrict_keyword && break
1608
void foo(char * $restrict_keyword p);
1609
EOF
1610
done
1611

    
1612
# dlopen/dlfcn.h probing
1613

    
1614
check_header dlfcn.h
1615

    
1616
if check_func dlopen; then
1617
    ldl=
1618
elif check_func dlopen -ldl; then
1619
    ldl=-ldl
1620
fi
1621

    
1622
check_func getrusage
1623
check_func2 windows.h GetProcessTimes
1624

    
1625
check_func fork
1626

    
1627
test "$vhook" = "default" && vhook="$dlopen"
1628

    
1629
enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1630

    
1631
if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1632
    vhook="no"
1633
    echo
1634
    echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1635
    echo "Patches welcome."
1636
    echo
1637
fi
1638

    
1639
if enabled vhook; then
1640
    check_ldflags -rdynamic
1641
    check_ldflags -export-dynamic
1642
fi
1643

    
1644
enabled audio_beos && add_extralibs "-lmedia -lbe"
1645

    
1646
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1647
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1648

    
1649
##########################################
1650
# SDL check
1651

    
1652
sdl_too_old=no
1653
sdl=no
1654
SDL_CONFIG="${cross_prefix}sdl-config"
1655
if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1656
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
1657
    temp_cflags $sdl_cflags
1658
    temp_extralibs `"${SDL_CONFIG}" --libs`
1659
    if check_lib SDL.h SDL_Init; then
1660
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1661
        if test "$_sdlversion" -lt 121 ; then
1662
            sdl_too_old=yes
1663
        else
1664
            sdl=yes
1665
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
1666
#include <SDL.h>
1667
int main(void){
1668
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1669
    int w = vi->current_w;
1670
    return 0;
1671
}
1672
EOF
1673
        fi
1674
    fi
1675
    restore_flags
1676
fi
1677

    
1678
texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1679

    
1680
##########################################
1681
# IPv6 check
1682

    
1683
enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1684
#include <sys/types.h>
1685
#include <sys/socket.h>
1686
#include <netinet/in.h>
1687
#include <netdb.h>
1688
int main( void ) {
1689
  struct sockaddr_storage saddr;
1690
  struct ipv6_mreq mreq6;
1691
  getaddrinfo(0,0,0,0);
1692
  getnameinfo(0,0,0,0,0,0,0);
1693
  IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1694
}
1695
EOF
1696

    
1697
enabled v4l  && check_header linux/videodev.h  || disable v4l
1698
enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1699

    
1700
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1701
if enabled bktr; then
1702
    { check_header dev/bktr/ioctl_meteor.h &&
1703
      check_header dev/bktr/ioctl_bt848.h; } ||
1704
    { check_header machine/ioctl_meteor.h &&
1705
      check_header machine/ioctl_bt848.h; } ||
1706
    { check_header dev/video/meteor/ioctl_meteor.h &&
1707
      check_header dev/video/bktr/ioctl_bt848.h; } ||
1708
    check_header dev/ic/bt8xx.h ||
1709
    disable bktr
1710
fi
1711

    
1712
enabled audio_oss &&
1713
    check_header sys/soundcard.h ||
1714
    check_header soundcard.h ||
1715
    disable audio_oss
1716

    
1717
# Deal with the x11 frame grabber
1718
enabled x11grab                         &&
1719
enabled gpl                             &&
1720
enabled x11_grab_device_demuxer         &&
1721
check_header X11/Xlib.h                 &&
1722
check_header X11/extensions/XShm.h      &&
1723
check_func XOpenDisplay -lX11           &&
1724
check_func XShmCreateImage -lX11 -lXext &&
1725
add_extralibs -lX11 -lXext              ||
1726
disable x11_grab_device_demuxer
1727

    
1728
enabled debug && add_cflags -g
1729

    
1730
# add some useful compiler flags if supported
1731
check_cflags -Wdeclaration-after-statement
1732
check_cflags -Wall
1733
check_cflags -Wno-switch
1734
check_cflags -Wdisabled-optimization
1735
check_cflags -Wpointer-arith
1736
check_cflags -Wredundant-decls
1737
check_cflags -Wno-pointer-sign
1738
enabled extra_warnings && check_cflags -Winline
1739

    
1740
# add some linker flags
1741
check_ldflags -Wl,--warn-common
1742
check_ldflags $LDLATEFLAGS
1743

    
1744
if enabled small; then
1745
    check_cflags -Os            # not all compilers support -Os
1746
    optimize="small"
1747
elif enabled optimize; then
1748
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1749
        add_cflags  "-O5"
1750
        add_ldflags "-O5"
1751
    else
1752
        add_cflags "-O3"
1753
    fi
1754
fi
1755

    
1756
# PIC flags for shared library objects where they are needed
1757
if enabled shared; then
1758
    # LIBOBJFLAGS may have already been set in the OS configuration
1759
    if test -z "$LIBOBJFLAGS" ; then
1760
        case "$arch" in
1761
            x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1762
        esac
1763
    fi
1764
fi
1765

    
1766
if enabled gprof; then
1767
    add_cflags  "-p"
1768
    add_ldflags "-p"
1769
fi
1770

    
1771
VHOOKCFLAGS="-fPIC"
1772

    
1773
# find if .align arg is power-of-two or not
1774
if test $asmalign_pot = "unknown"; then
1775
    asmalign_pot="no"
1776
    echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1777
fi
1778

    
1779
enabled_any $ENCODER_LIST  && enable encoders
1780
enabled_any $DECODER_LIST  && enable decoders
1781
enabled_any $MUXER_LIST    && enable muxers
1782
enabled_any $DEMUXER_LIST  && enable demuxers
1783
enabled_any $PROTOCOL_LIST && enable protocols
1784
enabled_any $BSF_LIST      && enable bsfs
1785

    
1786
enabled_any $THREADS_LIST  && enable threads
1787

    
1788
check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1789
    $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
1790

    
1791
enabled libogg    && append pkg_requires "ogg >= 1.1"
1792
enabled libtheora && append pkg_requires "theora"
1793
enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1794
enabled dc1394    && append pkg_requires "libraw1394"
1795

    
1796
echo "install prefix            $PREFIX"
1797
echo "source path               $source_path"
1798
echo "C compiler                $cc"
1799
echo "make                      $make"
1800
echo ".align is power-of-two    $asmalign_pot"
1801
echo "ARCH                      $arch ($cpu)"
1802
if test "$BUILDSUF" != ""; then
1803
    echo "build suffix              $BUILDSUF"
1804
fi
1805
echo "big-endian                ${bigendian-no}"
1806
if test $arch = "x86_32" -o $arch = "x86_64"; then
1807
    echo "MMX enabled               ${mmx-no}"
1808
    echo "CMOV enabled              ${cmov-no}"
1809
    echo "CMOV is fast              ${fast_cmov-no}"
1810
fi
1811
if test $arch = "armv4l"; then
1812
    echo "ARMv5TE enabled           ${armv5te-no}"
1813
    echo "ARMv6 enabled             ${armv6-no}"
1814
    echo "IWMMXT enabled            ${iwmmxt-no}"
1815
fi
1816
if test $arch = "mips"; then
1817
    echo "MMI enabled               ${mmi-no}"
1818
fi
1819
if test $arch = "powerpc"; then
1820
    echo "AltiVec enabled           ${altivec-no}"
1821
    echo "dcbzl available           ${dcbzl-no}"
1822
fi
1823
echo "gprof enabled             ${gprof-no}"
1824
echo "debug symbols             ${debug-no}"
1825
echo "strip symbols             ${dostrip-no}"
1826
echo "optimize                  ${optimize-no}"
1827
echo "static                    ${static-no}"
1828
echo "shared                    ${shared-no}"
1829
echo "postprocessing support    ${pp-no}"
1830
echo "software scaler enabled   ${swscaler-no}"
1831
echo "video hooking             ${vhook-no}"
1832
if enabled vhook; then
1833
    echo "Imlib2 support            ${imlib2-no}"
1834
    echo "FreeType support          ${freetype2-no}"
1835
fi
1836
echo "network support           ${network-no}"
1837
if enabled network; then
1838
    echo "IPv6 support              ${ipv6-no}"
1839
fi
1840
echo "threading support         ${thread_type-no}"
1841
echo "SDL support               ${sdl-no}"
1842
if enabled sdl_too_old; then
1843
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1844
fi
1845
echo "Sun medialib support      ${mlib-no}"
1846
echo "AVISynth enabled          ${avisynth-no}"
1847
echo "liba52 support            ${liba52-no}"
1848
echo "liba52 dlopened           ${liba52bin-no}"
1849
echo "libamr-nb support         ${libamr_nb-no}"
1850
echo "libamr-wb support         ${libamr_wb-no}"
1851
echo "libfaac enabled           ${libfaac-no}"
1852
echo "libfaad enabled           ${libfaad-no}"
1853
echo "libfaad dlopened          ${libfaadbin-no}"
1854
echo "libgsm enabled            ${libgsm-no}"
1855
echo "libmp3lame enabled        ${libmp3lame-no}"
1856
echo "libnut enabled            ${libnut-no}"
1857
echo "libogg enabled            ${libogg-no}"
1858
echo "libtheora enabled         ${libtheora-no}"
1859
echo "libvorbis enabled         ${libvorbis-no}"
1860
echo "x264 enabled              ${libx264-no}"
1861
echo "XviD enabled              ${libxvid-no}"
1862
echo "zlib enabled              ${zlib-no}"
1863
if disabled gpl; then
1864
    echo "License: LGPL"
1865
else
1866
    echo "License: GPL"
1867
fi
1868

    
1869
echo "Creating config.mak and config.h..."
1870

    
1871
echo "# Automatically generated by configure - do not modify!" > config.mak
1872
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1873
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1874

    
1875
echo "PREFIX=$PREFIX" >> config.mak
1876
echo "prefix=\$(DESTDIR)\$(PREFIX)" >> config.mak
1877
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
1878
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
1879
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
1880
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
1881
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
1882
echo "MAKE=$make" >> config.mak
1883
echo "CC=$cc" >> config.mak
1884
echo "AR=$ar" >> config.mak
1885
echo "RANLIB=$ranlib" >> config.mak
1886
if enabled dostrip; then
1887
    echo "STRIP=$strip" >> config.mak
1888
else
1889
    echo "STRIP=echo ignoring strip" >> config.mak
1890
fi
1891

    
1892
echo "OPTFLAGS=$CFLAGS" >> config.mak
1893
echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1894
echo "LDFLAGS=$LDFLAGS" >> config.mak
1895
echo "LDCONFIG=$LDCONFIG" >> config.mak
1896
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1897
echo "SHFLAGS=$SHFLAGS" >> config.mak
1898
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1899
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1900
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1901
echo "BUILD_STATIC=$static" >> config.mak
1902
echo "BUILDSUF=$BUILDSUF" >> config.mak
1903
echo "LIBPREF=$LIBPREF" >> config.mak
1904
echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1905
if enabled static; then
1906
  echo "LIB=$LIB" >> config.mak
1907
else # Some Make complain if this variable does not exist.
1908
  echo "LIB=" >> config.mak
1909
fi
1910
echo "SLIBPREF=$SLIBPREF" >> config.mak
1911
echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1912
echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1913

    
1914
if enabled bigendian; then
1915
  echo "WORDS_BIGENDIAN=yes" >> config.mak
1916
  echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1917
fi
1918
if enabled mmx; then
1919
  echo "#define __CPU__ 586" >> $TMPH
1920
fi
1921

    
1922
if enabled sdl; then
1923
  echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1924
  echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1925
fi
1926
if enabled texi2html; then
1927
  echo "BUILD_DOC=yes" >> config.mak
1928
fi
1929

    
1930
sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1931
pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1932
lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1933
lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1934
lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1935

    
1936

    
1937

    
1938
if enabled shared; then
1939
  echo "BUILD_SHARED=yes" >> config.mak
1940
  echo "PIC=-fPIC -DPIC" >> config.mak
1941
  echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1942
  echo "SPPVERSION=$pp_version" >> config.mak
1943
  echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1944
  echo "LAVCVERSION=$lavc_version" >> config.mak
1945
  echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1946
  echo "LAVFVERSION=$lavf_version" >> config.mak
1947
  echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1948
  echo "LAVUVERSION=$lavu_version" >> config.mak
1949
  echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1950
  echo "SWSVERSION=$sws_version" >> config.mak
1951
  echo "SLIBNAME=${SLIBNAME}" >> config.mak
1952
  echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1953
  echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1954
  echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1955
  echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1956
fi
1957
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1958
echo "EXTRALIBS=$extralibs" >> config.mak
1959

    
1960
print_config ARCH_   $TMPH config.mak $ARCH_LIST
1961
print_config HAVE_   $TMPH config.mak $HAVE_LIST
1962
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST   \
1963
                                      $DECODER_LIST  \
1964
                                      $ENCODER_LIST  \
1965
                                      $PARSER_LIST   \
1966
                                      $BSF_LIST      \
1967
                                      $DEMUXER_LIST  \
1968
                                      $MUXER_LIST    \
1969
                                      $PROTOCOL_LIST \
1970

    
1971
if test "$targetos" = darwin; then
1972
  echo "#define CONFIG_DARWIN 1"  >> $TMPH
1973
fi
1974

    
1975
echo "#define restrict $_restrict" >> $TMPH
1976

    
1977
if enabled small; then
1978
  echo "#define always_inline"  >> $TMPH
1979
fi
1980

    
1981
echo "SRC_PATH=\"$source_path\"" >> config.mak
1982
echo "SRC_PATH_BARE=$source_path" >> config.mak
1983
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1984

    
1985
# Apparently it's not possible to portably echo a backslash.
1986
if enabled asmalign_pot; then
1987
  printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1988
else
1989
  printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1990
fi
1991

    
1992

    
1993
# Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1994
if ! cmp -s $TMPH config.h; then
1995
        mv -f $TMPH config.h
1996
else
1997
        echo "config.h is unchanged"
1998
fi
1999

    
2000
rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2001

    
2002
# build tree in object directory if source path is different from current one
2003
if enabled source_path_used; then
2004
    DIRS="\
2005
         doc \
2006
         libavformat \
2007
         libavcodec \
2008
         libavcodec/alpha \
2009
         libavcodec/armv4l \
2010
         libavcodec/bfin \
2011
         libavcodec/i386 \
2012
         libavcodec/sparc \
2013
         libavcodec/mlib \
2014
         libavcodec/ppc \
2015
         libpostproc \
2016
         libavutil \
2017
         libswscale \
2018
         tests \
2019
         tools \
2020
         vhook \
2021
         "
2022
    FILES="\
2023
          Makefile \
2024
          common.mak \
2025
          libavformat/Makefile \
2026
          libavcodec/Makefile \
2027
          libpostproc/Makefile \
2028
          libavutil/Makefile \
2029
          libswscale/Makefile \
2030
          doc/texi2pod.pl \
2031
          "
2032
    for dir in $DIRS ; do
2033
            mkdir -p $dir
2034
    done
2035
    for f in $FILES ; do
2036
        ln -sf "$source_path/$f" $f
2037
    done
2038
fi
2039

    
2040

    
2041
# build pkg-config files
2042
# FIXME: libdir and includedir are hardcoded and may differ from the real path.
2043

    
2044
pkgconfig_generate(){
2045
name=$1
2046
comment=$2
2047
version=$3
2048
libs=$4
2049
requires=$5
2050
include=$6
2051
cat <<EOF >$name.pc
2052
prefix=$PREFIX
2053
exec_prefix=\${prefix}
2054
libdir=\${exec_prefix}/lib
2055
includedir=\${prefix}/include
2056

    
2057
Name: $name
2058
Description: $comment
2059
Version: $version
2060
Requires: $requires
2061
Conflicts:
2062
Libs: -L\${libdir} $libs
2063
Cflags: -I\${includedir} -I\${includedir}/$include
2064
EOF
2065
}
2066

    
2067
pkgconfig_generate_uninstalled(){
2068
name=$1
2069
shortname=${name#lib}
2070
comment=$2
2071
version=$3
2072
libs=$4
2073
requires=$5
2074
cat <<EOF >$name-uninstalled.pc
2075
prefix=
2076
exec_prefix=
2077
libdir=\${pcfiledir}/$name
2078
includedir=\${pcfiledir}/$name
2079

    
2080
Name: $name
2081
Description: $comment
2082
Version: $version
2083
Requires: $requires
2084
Conflicts:
2085
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2086
Cflags: -I\${includedir}
2087
EOF
2088
}
2089

    
2090
pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2091
pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2092

    
2093
pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2094
pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2095

    
2096
pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2097
pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2098

    
2099
if enabled pp; then
2100
  pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2101
  pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2102
fi
2103

    
2104
if enabled swscaler; then
2105
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2106
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2107
else
2108
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2109
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2110
  apply libswscale.pc sed s/^Libs:.*$/Libs:/
2111
  apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2112
fi