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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):"
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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 [$cross_prefix]"
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  echo "  --cross-compile          assume a cross-compiler is used"
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  echo "  --target-os=OS           compiler targets OS [$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 [$ELIBS]"
112
  echo "  --build-suffix=SUFFIX    suffix for application specific build []"
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  echo "  --arch=ARCH              select architecture  [$arch]"
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  echo "  --cpu=CPU                selects the minimum cpu required (affects"
115
  echo "                           instruction selection, may crash on older CPUs)"
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  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]"
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  echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"
127
  echo "  --disable-bktr           disable bktr video grabbing [default=no]"
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  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"
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  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"
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  echo "  --disable-ffserver       disable ffserver build"
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  echo "  --disable-ffplay         disable ffplay build"
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  echo "  --enable-small           optimize for size instead of speed"
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  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"
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  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"
147
  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
is_in(){
295
    value=$1
296
    shift
297
    for var in $*; do
298
        [ $var = $value ] && return 0
299
    done
300
    return 1
301
}
302

    
303
check_deps(){
304
    for cfg; do
305
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
306
        disabled ${cfg}_checking && continue
307
        enable ${cfg}_checking
308

    
309
        eval dep_all="\$${cfg}_deps"
310
        eval dep_any="\$${cfg}_deps_any"
311

    
312
        pushvar cfg dep_all dep_any
313
        check_deps $dep_all $dep_any
314
        popvar cfg dep_all dep_any
315

    
316
        enabled_all $dep_all || disable $cfg
317
        enabled_any $dep_any || disable $cfg
318

    
319
        disable ${cfg}_checking
320
    done
321
}
322

    
323
print_config(){
324
    pfx=$1
325
    header=$2
326
    makefile=$3
327
    shift 3
328
    for cfg; do
329
        ucname="`toupper $cfg`"
330
        if enabled $cfg; then
331
            echo "#define ${pfx}${ucname} 1" >> $header
332
            echo "#define ENABLE_${ucname} 1" >> $header
333
            echo "${pfx}${ucname}=yes" >> $makefile
334
        else
335
            echo "#define ENABLE_${ucname} 0" >> $header
336
        fi
337
    done
338
}
339

    
340
flags_saved(){
341
    (: ${SAVE_CFLAGS?}) 2>/dev/null
342
}
343

    
344
save_flags(){
345
    flags_saved && return
346
    SAVE_CFLAGS="$CFLAGS"
347
    SAVE_LDFLAGS="$LDFLAGS"
348
    SAVE_extralibs="$extralibs"
349
}
350

    
351
restore_flags(){
352
    flags_saved || return
353
    CFLAGS="$SAVE_CFLAGS"
354
    LDFLAGS="$SAVE_LDFLAGS"
355
    extralibs="$SAVE_extralibs"
356
    unset SAVE_CFLAGS
357
    unset SAVE_LDFLAGS
358
    unset SAVE_extralibs
359
}
360

    
361
temp_cflags(){
362
    save_flags
363
    CFLAGS="$CFLAGS $*"
364
}
365

    
366
temp_ldflags(){
367
    save_flags
368
    LDFLAGS="$LDFLAGS $*"
369
}
370

    
371
temp_extralibs(){
372
    save_flags
373
    extralibs="$extralibs $*"
374
}
375

    
376
append(){
377
    var=$1
378
    shift
379
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
380
    eval "$var=\"\$$var $*\""
381
}
382

    
383
add_cflags(){
384
    append CFLAGS "$@"
385
}
386

    
387
add_ldflags(){
388
    append LDFLAGS "$@"
389
}
390

    
391
add_extralibs(){
392
    append extralibs "$@"
393
}
394

    
395
check_cmd(){
396
    log "$@"
397
    "$@" >>$logfile 2>&1
398
}
399

    
400
check_cc(){
401
    log check_cc "$@"
402
    cat >$TMPC
403
    log_file $TMPC
404
    check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
405
}
406

    
407
check_cpp(){
408
    log check_cpp "$@"
409
    cat >$TMPC
410
    log_file $TMPC
411
    check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
412
}
413

    
414
check_ld(){
415
    log check_ld "$@"
416
    check_cc || return
417
    flags=''
418
    libs=''
419
    for f; do
420
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
421
    done
422
    check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
423
}
424

    
425
check_cflags(){
426
    log check_cflags "$@"
427
    check_cc "$@" <<EOF && add_cflags "$@"
428
int x;
429
EOF
430
}
431

    
432
check_ldflags(){
433
    log check_ldflags "$@"
434
    check_ld "$@" <<EOF && add_ldflags "$@"
435
int main(){
436
    return 0;
437
}
438
EOF
439
}
440

    
441
check_header(){
442
    log check_header "$@"
443
    header=$1
444
    shift
445
    var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
446
    disable $var
447
    check_cpp "$@" <<EOF && enable $var
448
#include <$header>
449
int x;
450
EOF
451
}
452

    
453
check_func(){
454
    log check_func "$@"
455
    func=$1
456
    shift
457
    disable $func
458
    check_ld "$@" <<EOF && enable $func
459
extern int $func();
460
int main(){
461
    $func();
462
}
463
EOF
464
}
465

    
466
check_func2(){
467
    log check_func2 "$@"
468
    headers=$1
469
    func=$2
470
    shift 2
471
    disable $func
472
    incs=""
473
    for hdr in $headers; do
474
        incs="$incs
475
#include <$hdr>"
476
    done
477
    check_ld "$@" <<EOF && enable $func
478
$incs
479
int main(){
480
    (void) $func;
481
    return 0;
482
}
483
EOF
484
}
485

    
486
check_lib(){
487
    log check_lib "$@"
488
    header="$1"
489
    func="$2"
490
    shift 2
491
    temp_extralibs "$@"
492
    check_header $header && check_func $func && add_extralibs "$@"
493
    err=$?
494
    restore_flags
495
    return $err
496
}
497

    
498
check_lib2(){
499
    log check_lib2 "$@"
500
    headers="$1"
501
    func="$2"
502
    shift 2
503
    temp_extralibs "$@"
504
    check_func2 "$headers" $func && add_extralibs "$@"
505
    err=$?
506
    restore_flags
507
    return $err
508
}
509

    
510
check_exec(){
511
    check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
512
}
513

    
514
check_exec_crash(){
515
    code=`cat`
516

    
517
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
518
    # are safe but may not be available everywhere.  Thus we use
519
    # raise(SIGTERM) instead.  The check is run in a subshell so we
520
    # can redirect the "Terminated" message from the shell.  SIGBUS
521
    # is not defined by standard C so it is used conditionally.
522

    
523
    (check_exec "$@") >>$logfile 2>&1 <<EOF
524
#include <signal.h>
525
static void sighandler(int sig){
526
    raise(SIGTERM);
527
}
528
int main(){
529
    signal(SIGILL, sighandler);
530
    signal(SIGFPE, sighandler);
531
    signal(SIGSEGV, sighandler);
532
#ifdef SIGBUS
533
    signal(SIGBUS, sighandler);
534
#endif
535
    { $code }
536
}
537
EOF
538
}
539

    
540
require(){
541
    name="$1"
542
    header="$2"
543
    func="$3"
544
    shift 3
545
    check_lib $header $func "$@" || die "ERROR: $name not found"
546
}
547

    
548
require2(){
549
    name="$1"
550
    headers="$2"
551
    func="$3"
552
    shift 3
553
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
554
}
555

    
556
check_foo_config(){
557
    cfg=$1
558
    pkg=$2
559
    header=$3
560
    func=$4
561
    shift 4
562
    disable $cfg
563
    check_cmd ${pkg}-config --version
564
    err=$?
565
    if test "$err" = 0; then
566
        temp_cflags `${pkg}-config --cflags`
567
        temp_extralibs `${pkg}-config --libs`
568
        check_lib "$@" $header $func && enable $cfg
569
    fi
570
    return $err
571
}
572

    
573
apply(){
574
    file=$1
575
    shift
576
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
577
}
578

    
579
COMPONENT_LIST="
580
    bsfs
581
    decoders
582
    demuxers
583
    encoders
584
    muxers
585
    parsers
586
    protocols
587
"
588

    
589
CONFIG_LIST="
590
    $COMPONENT_LIST
591
    audio_beos
592
    audio_oss
593
    avisynth
594
    beos_netserver
595
    bktr
596
    dc1394
597
    dv1394
598
    ffmpeg
599
    ffplay
600
    ffserver
601
    gpl
602
    gprof
603
    gray
604
    ipv6
605
    liba52
606
    liba52bin
607
    libamr
608
    libamr_nb
609
    libamr_wb
610
    libfaac
611
    libfaad
612
    libfaadbin
613
    libgsm
614
    libmp3lame
615
    libnut
616
    libogg
617
    libtheora
618
    libvorbis
619
    libx264
620
    libxvid
621
    memalign_hack
622
    mpegaudio_hp
623
    network
624
    powerpc_perf
625
    pp
626
    small
627
    swscaler
628
    vhook
629
    v4l
630
    v4l2
631
    x11grab
632
    zlib
633
"
634

    
635
THREADS_LIST='
636
    beosthreads
637
    pthreads
638
    w32threads
639
'
640

    
641
ARCH_LIST='
642
    alpha
643
    armv4l
644
    bfin
645
    ia64
646
    m68k
647
    mips
648
    parisc
649
    powerpc
650
    s390
651
    sh4
652
    sparc
653
    sparc64
654
    x86
655
    x86_32
656
    x86_64
657
'
658

    
659
ARCH_EXT_LIST='
660
    altivec
661
    armv5te
662
    armv6
663
    iwmmxt
664
    mmi
665
    mmx
666
    ssse3
667
'
668

    
669
HAVE_LIST="
670
    $ARCH_EXT_LIST
671
    $THREADS_LIST
672
    altivec_h
673
    arpa_inet_h
674
    byteswap_h
675
    closesocket
676
    cmov
677
    conio_h
678
    dcbzl
679
    dev_bktr_ioctl_bt848_h
680
    dev_bktr_ioctl_meteor_h
681
    dev_ic_bt8xx_h
682
    dev_video_meteor_ioctl_meteor_h
683
    dev_video_bktr_ioctl_bt848_h
684
    dlfcn_h
685
    dlopen
686
    ebp_available
687
    ebx_available
688
    fast_64bit
689
    fast_cmov
690
    fast_unaligned
691
    fork
692
    freetype2
693
    gethrtime
694
    GetProcessTimes
695
    getrusage
696
    imlib2
697
    inet_aton
698
    lrintf
699
    machine_ioctl_bt848_h
700
    machine_ioctl_meteor_h
701
    malloc_h
702
    memalign
703
    mkstemp
704
    mlib
705
    ppc64
706
    sdl
707
    sdl_video_size
708
    soundcard_h
709
    sys_poll_h
710
    sys_soundcard_h
711
    termios_h
712
    threads
713
    winsock2_h
714
"
715

    
716
CMDLINE_SELECT="
717
    $ARCH_EXT_LIST
718
    $CONFIG_LIST
719
    $THREADS_LIST
720
    debug
721
    extra_warnings
722
    shared
723
    static
724
"
725

    
726
# code dependency declarations
727

    
728
# architecture extensions
729
altivec_deps="powerpc"
730
armv5te_deps="armv4l"
731
armv6_deps="armv4l"
732
iwmmxt_deps="armv4l"
733
mmi_deps="mips"
734
mmx_deps="x86"
735
ssse3_deps="x86"
736

    
737
# decoders / encoders
738
ac3_decoder_deps="gpl"
739
dxa_decoder_deps="zlib"
740
flashsv_decoder_deps="zlib"
741
flashsv_encoder_deps="zlib"
742
flv_decoder_deps="h263_decoder"
743
h263_decoder_deps="h263_parser mpeg4video_parser"
744
h263i_decoder_deps="h263_decoder"
745
h264_decoder_deps="h264_parser"
746
mpeg_xvmc_decoder_deps="xvmc"
747
mpeg4_decoder_deps="h263_decoder"
748
msmpeg4v1_decoder_deps="h263_decoder"
749
msmpeg4v2_decoder_deps="h263_decoder"
750
msmpeg4v3_decoder_deps="h263_decoder"
751
png_decoder_deps="zlib"
752
png_encoder_deps="zlib"
753
svq3_decoder_deps="h264_parser"
754
vc1_decoder_deps="h263_decoder"
755
wmv1_decoder_deps="h263_decoder"
756
wmv2_decoder_deps="h263_decoder"
757
wmv3_decoder_deps="h263_decoder"
758
zmbv_decoder_deps="zlib"
759
zmbv_encoder_deps="zlib"
760

    
761
# external libraries
762
mpeg4aac_decoder_deps="libfaad"
763
liba52_decoder_deps="liba52"
764
libamr_nb_decoder_deps="libamr_nb"
765
libamr_nb_encoder_deps="libamr_nb"
766
libamr_wb_decoder_deps="libamr_wb"
767
libamr_wb_encoder_deps="libamr_wb"
768
libfaac_encoder_deps="libfaac"
769
libfaad_decoder_deps="libfaad"
770
libgsm_decoder_deps="libgsm"
771
libgsm_encoder_deps="libgsm"
772
libgsm_ms_decoder_deps="libgsm"
773
libgsm_ms_encoder_deps="libgsm"
774
libmp3lame_encoder_deps="libmp3lame"
775
libtheora_encoder_deps="libtheora"
776
libvorbis_decoder_deps="libvorbis"
777
libvorbis_encoder_deps="libvorbis"
778
libx264_encoder_deps="libx264"
779
libxvid_encoder_deps="libxvid"
780

    
781
# demuxers / muxers
782
ac3_demuxer_deps="ac3_parser"
783
audio_demuxer_deps_any="audio_oss audio_beos"
784
audio_muxer_deps_any="audio_oss audio_beos"
785
dc1394_demuxer_deps="dc1394"
786
dv1394_demuxer_deps="dv1394"
787
libnut_demuxer_deps="libnut"
788
libnut_muxer_deps="libnut"
789
mp3_demuxer_deps="mpegaudio_parser"
790
ogg_muxer_deps="libogg"
791
redir_demuxer_deps="network"
792
rtp_muxer_deps="network mpegts_demuxer"
793
rtsp_demuxer_deps="rtp_protocol rtp_muxer"
794
sdp_demuxer_deps="rtsp_demuxer"
795
v4l2_demuxer_deps="v4l2"
796
video_grab_bktr_demuxer_deps="bktr"
797
video_grab_v4l_demuxer_deps="v4l"
798
x11_grab_device_demuxer_deps="x11grab"
799

    
800
# protocols
801
http_protocol_deps="network"
802
rtp_protocol_deps="udp_protocol"
803
tcp_protocol_deps="network"
804
udp_protocol_deps="network"
805

    
806
# programs
807
ffplay_deps="sdl"
808
ffserver_deps="muxers rtp_protocol"
809

    
810

    
811
# set temporary file name
812
if test ! -z "$TMPDIR" ; then
813
    TMPDIR1="${TMPDIR}"
814
elif test ! -z "$TEMPDIR" ; then
815
    TMPDIR1="${TEMPDIR}"
816
else
817
    TMPDIR1="/tmp"
818
fi
819

    
820
TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
821
TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
822
TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
823
TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
824
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
825

    
826
# default parameters
827

    
828
logging="yes"
829
logfile="config.err"
830

    
831
# installation paths
832
PREFIX="/usr/local"
833
libdir='$(PREFIX)/lib'
834
shlibdir="$libdir"
835
incdir='$(PREFIX)/include/ffmpeg'
836
mandir='$(PREFIX)/man'
837
bindir='$(PREFIX)/bin'
838

    
839
# toolchain
840
cc="gcc"
841
ar="ar"
842
ranlib="ranlib"
843
make="make"
844
strip="strip"
845
asmalign_pot="unknown"
846

    
847
# machine
848
arch=`uname -m`
849
cpu="generic"
850

    
851
# OS
852
targetos=$(tolower $(uname -s))
853

    
854
# non-library system interfaces
855
audio_oss="yes"
856
bktr="yes"
857
dv1394="yes"
858
v4l2="yes"
859
v4l="yes"
860

    
861
# libraries
862
zlib="yes"
863

    
864
# configurable options
865
debug="yes"
866
dostrip="yes"
867
ffmpeg="yes"
868
ffplay="yes"
869
ffserver="yes"
870
ipv6="yes"
871
static="yes"
872
mpegaudio_hp="yes"
873
network="yes"
874
optimize="yes"
875
protocols="yes"
876
vhook="default"
877

    
878
# build settings
879
SHFLAGS='-shared -Wl,-soname,$@'
880
VHOOKSHFLAGS='$(SHFLAGS)'
881
LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
882
FFSERVERLDFLAGS=-Wl,-E
883
LDCONFIG="ldconfig"
884
LIBPREF="lib"
885
LIBSUF=".a"
886
LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
887
SLIBPREF="lib"
888
SLIBSUF=".so"
889
SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
890
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
891
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
892
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIB)"'
893

    
894
# find source path
895
source_path="`dirname \"$0\"`"
896
source_path_used="yes"
897
if test -z "$source_path" -o "$source_path" = "." ; then
898
    source_path="`pwd`"
899
    source_path_used="no"
900
else
901
    source_path="`cd \"$source_path\"; pwd`"
902
    echo "$source_path" | grep -q '[[:blank:]]' &&
903
      die "Out of tree builds are impossible with whitespace in source path."
904
fi
905

    
906
if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
907
    show_help
908
fi
909

    
910
FFMPEG_CONFIGURATION="$@"
911

    
912
ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
913
DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
914
PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
915
BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
916
MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
917
DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
918
PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
919

    
920
enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
921
enable $ARCH_EXT_LIST
922

    
923
die_unknown(){
924
    echo "Unknown option \"$1\"."
925
    echo "See $0 --help for available options."
926
    exit 1
927
}
928

    
929
show_list() {
930
    for part in $*; do
931
        echo $part | sed 's/_[^_]*$//'
932
    done | sort
933
    exit 0
934
}
935

    
936
for opt do
937
  optval="${opt#*=}"
938
  case "$opt" in
939
  --log)
940
  ;;
941
  --log=*) logging="$optval"
942
  ;;
943
  --prefix=*) PREFIX="$optval"
944
  ;;
945
  --libdir=*) libdir="$optval"
946
  ;;
947
  --shlibdir=*) shlibdir="$optval"
948
  ;;
949
  --incdir=*) incdir="$optval"
950
  ;;
951
  --mandir=*) mandir="$optval"
952
  ;;
953
  --source-path=*) source_path="$optval"
954
  ;;
955
  --cross-prefix=*) cross_prefix="$optval"
956
  ;;
957
  --cross-compile) cross_compile="yes"
958
  ;;
959
  --target-os=*) targetos="$optval"
960
  ;;
961
  --cc=*) cc="$optval"
962
  ;;
963
  --make=*) make="$optval"
964
  ;;
965
  --extra-cflags=*) add_cflags "$optval"
966
  ;;
967
  --extra-ldflags=*) add_ldflags "$optval"
968
  ;;
969
  --extra-libs=*) add_extralibs "$optval"
970
  ;;
971
  --build-suffix=*) BUILDSUF="$optval"
972
  ;;
973
  --arch=*) arch="$optval"
974
  ;;
975
  --cpu=*) cpu="$optval"
976
  ;;
977
  --disable-opts) optimize="no"
978
  ;;
979
  --enable-sunmlib) mlib="yes"
980
  ;;
981
  --disable-strip) dostrip="no"
982
  ;;
983
  --disable-encoders) disable $ENCODER_LIST
984
  ;;
985
  --disable-decoders) disable $DECODER_LIST
986
  ;;
987
  --disable-muxers) disable $MUXER_LIST
988
  ;;
989
  --disable-demuxers) disable $DEMUXER_LIST
990
  ;;
991
  --disable-parsers) disable $PARSER_LIST
992
  ;;
993
  --disable-bsfs) disable $BSF_LIST
994
  ;;
995
  --disable-protocols) disable $PROTOCOL_LIST
996
  ;;
997
  --enable-*=*|--disable-*=*)
998
  eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
999
  case "$thing" in
1000
      encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
1001
      *) die_unknown "$opt" ;;
1002
  esac
1003
  ;;
1004
  --enable-?*|--disable-?*)
1005
  eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1006
  echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
1007
  $action $option
1008
  ;;
1009
  --list-*)
1010
    NAME="${opt#--list-}"
1011
    is_in $NAME $COMPONENT_LIST || die_unknown $opt
1012
    NAME=$(toupper ${NAME%s})
1013
    eval show_list \$${NAME}_LIST
1014
  ;;
1015
  --help) show_help
1016
  ;;
1017
  *)
1018
  die_unknown $opt
1019
  ;;
1020
  esac
1021
done
1022

    
1023
case "$arch" in
1024
  i386|i486|i586|i686|i86pc|BePC)
1025
    arch="x86_32"
1026
    enable fast_unaligned
1027
  ;;
1028
  x86_64|amd64)
1029
    arch="x86_32"
1030
    enable fast_unaligned
1031
    canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1032
    if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1033
      if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
1034
        arch="x86_64"
1035
        enable fast_64bit
1036
      fi
1037
    fi
1038
  ;;
1039
  # armv4l is a subset of armv[567]*l
1040
  arm|armv[4567]*l)
1041
    arch="armv4l"
1042
  ;;
1043
  alpha)
1044
    arch="alpha"
1045
    enable fast_64bit
1046
  ;;
1047
  "Power Macintosh"|ppc|powerpc)
1048
    arch="powerpc"
1049
  ;;
1050
  ppc64)
1051
    arch="powerpc"
1052
    enable fast_64bit
1053
  ;;
1054
  mips|mipsel|IP*)
1055
    arch="mips"
1056
  ;;
1057
  sun4u|sparc64)
1058
    arch="sparc64"
1059
    enable fast_64bit
1060
  ;;
1061
  sparc)
1062
    arch="sparc"
1063
  ;;
1064
  sh4)
1065
    arch="sh4"
1066
  ;;
1067
  parisc)
1068
    arch="parisc"
1069
  ;;
1070
  parisc64)
1071
    arch="parisc"
1072
    enable fast_64bit
1073
  ;;
1074
  s390|s390x)
1075
    arch="s390"
1076
  ;;
1077
  m68k)
1078
    arch="m68k"
1079
  ;;
1080
  ia64)
1081
    arch="ia64"
1082
    enable fast_64bit
1083
  ;;
1084
  bfin)
1085
    arch="bfin"
1086
  ;;
1087
  *)
1088
    arch="unknown"
1089
  ;;
1090
esac
1091

    
1092
enable $arch
1093
enabled_any x86_32 x86_64 && enable x86
1094
enabled     sparc64       && enable sparc
1095

    
1096
# OS specific
1097
osextralibs="-lm"
1098
case $targetos in
1099
  beos|haiku|zeta)
1100
    PREFIX="$HOME/config"
1101
    # helps building libavcodec
1102
    add_cflags "-DPIC -fomit-frame-pointer"
1103
    # 3 gcc releases known for BeOS, each with ugly bugs
1104
    gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1105
    case "$gcc_version" in
1106
      2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1107
        mmx="no"
1108
        ;;
1109
      *20010315*) echo "BeBits gcc"
1110
        add_cflags "-fno-expensive-optimizations"
1111
        ;;
1112
    esac
1113
    LDCONFIG="echo ignoring ldconfig"
1114
    SHFLAGS=-nostart
1115
    # disable Linux things
1116
    dv1394="no"
1117
    # enable BeOS things
1118
    disabled audio_beos || enable_audio_beos
1119
    # no need for libm, but the inet stuff
1120
    # Check for BONE
1121
    # XXX: actually should check for NOT net_server
1122
    if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1123
        osextralibs="-lbind -lsocket"
1124
    else
1125
        beos_netserver="yes"
1126
        osextralibs="-lnet"
1127
    fi ;;
1128
  sunos)
1129
    dv1394="no"
1130
    FFSERVERLDFLAGS=""
1131
    SHFLAGS="-shared -Wl,-h,\$@"
1132
    add_extralibs "-lsocket -lnsl"
1133
    ;;
1134
  netbsd)
1135
    dv1394="no"
1136
    add_extralibs "-lossaudio"
1137
    ;;
1138
  openbsd)
1139
    dv1394="no"
1140
    need_memalign="no"
1141
    LIBOBJFLAGS="\$(PIC)"
1142
    LDCONFIG="ldconfig -m \$(SHLIBDIR)"
1143
    SHFLAGS='-shared'
1144
    SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1145
    SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1146
    SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1147
    add_extralibs "-lossaudio"
1148
    ;;
1149
  freebsd)
1150
    dv1394="no"
1151
    need_memalign="no"
1152
    add_cflags "-pthread"
1153
    ;;
1154
  gnu/kfreebsd)
1155
    dv1394="no"
1156
    add_cflags "-pthread"
1157
    ;;
1158
  bsd/os)
1159
    dv1394="no"
1160
    osextralibs="-lpoll -lgnugetopt -lm"
1161
    strip="strip -d"
1162
    ;;
1163
  darwin)
1164
    dv1394="no"
1165
    need_memalign="no"
1166
    SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(SHLIBDIR)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1167
    VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$@'
1168
    osextralibs=""
1169
    strip="strip -x"
1170
    FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1171
    SLIBSUF=".dylib"
1172
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1173
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1174
    FFSERVERLDFLAGS=-Wl,-bind_at_load
1175
    ;;
1176
  mingw32*)
1177
    targetos=mingw32
1178
    shlibdir="$bindir"
1179
    dv1394="no"
1180
    VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1181
    VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1182
    if enabled swscaler; then
1183
        VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1184
        VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1185
    fi
1186
    ffserver="no"
1187
    SLIBPREF=""
1188
    SLIBSUF=".dll"
1189
    EXESUF=".exe"
1190
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1191
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1192
    SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1193
    SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(SHLIBDIR)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1194
    SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base"
1195
    enabled network && add_extralibs -lws2_32
1196
    ;;
1197
  cygwin*)
1198
    targetos=cygwin
1199
    shlibdir="$bindir"
1200
    dv1394="no"
1201
    VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1202
    VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1203
    if enabled swscaler; then
1204
        VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1205
        VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1206
    fi
1207
    osextralibs=""
1208
    EXESUF=".exe"
1209
    SLIBPREF="cyg"
1210
    SLIBSUF=".dll"
1211
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1212
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1213
    SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a -Wl,--enable-auto-image-base'
1214
    ;;
1215
  linux)
1216
    LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1217
    ;;
1218
  irix*)
1219
    targetos=irix
1220
    ranlib="echo ignoring ranlib"
1221
    ;;
1222
  *)
1223
    targetos="${targetos}-UNKNOWN"
1224
    ;;
1225
esac
1226

    
1227
add_extralibs $osextralibs
1228

    
1229
if ! disabled logging ; then
1230
    enabled logging || logfile="$logging"
1231
    echo "# $0 $@" >$logfile
1232
    set >>$logfile
1233
else
1234
    logfile=/dev/null
1235
fi
1236

    
1237
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1238
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1239

    
1240
test -n "$cross_prefix" && cross_compile=yes
1241
cc="${cross_prefix}${cc}"
1242
ar="${cross_prefix}${ar}"
1243
ranlib="${cross_prefix}${ranlib}"
1244
strip="${cross_prefix}${strip}"
1245

    
1246
# we need to build at least one lib type
1247
if ! enabled_any static shared; then
1248
    cat <<EOF
1249
At least one library type must be built.
1250
Specify --enable-static to build the static libraries or --enable-shared to
1251
build the shared libraries as well. To only build the shared libraries specify
1252
--disable-static in addition to --enable-shared.
1253
EOF
1254
    exit 1;
1255
fi
1256

    
1257
if disabled static; then
1258
    LIB=""
1259
fi
1260

    
1261
if ! enabled libogg; then
1262
    enabled libtheora && die "libogg must be enabled to enable libtheora."
1263
    enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1264
fi
1265

    
1266
if enabled_any libfaad libfaadbin ; then
1267
    if check_header faad.h; then
1268
        check_cc << EOF
1269
#include <faad.h>
1270
#ifndef FAAD2_VERSION
1271
ok faad1
1272
#endif
1273
int main( void ) { return 0; }
1274
EOF
1275
        test $? = 0 && enable libfaad2
1276
    else
1277
        die "FAAD test failed."
1278
    fi
1279
fi
1280

    
1281

    
1282
if ! enabled gpl; then
1283
    die_gpl_disabled(){
1284
        name=$1
1285
        shift
1286
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1287
    }
1288
    die_gpl_disabled "The Postprocessing code" pp
1289
    die_gpl_disabled "liba52"                  liba52
1290
    die_gpl_disabled "libx264"                 libx264
1291
    die_gpl_disabled "libxvidcore"             libxvid
1292
    die_gpl_disabled "FAAD2"                   libfaad2
1293
    die_gpl_disabled "The X11 grabber"         x11grab
1294
    die_gpl_disabled "The software scaler"     swscaler
1295
fi
1296

    
1297
check_deps $ARCH_EXT_LIST
1298

    
1299
test -z "$need_memalign" && need_memalign="$mmx"
1300

    
1301
#Darwin CC versions
1302
if test $targetos = darwin; then
1303
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1304
        add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1305
    else
1306
        add_cflags "-no-cpp-precomp -pipe"
1307
        check_cflags "-force_cpusubtype_ALL"
1308
        check_cflags "-Wno-sign-compare"
1309
        disabled shared && add_cflags -mdynamic-no-pic
1310
    fi
1311
fi
1312

    
1313
disabled optimize || add_cflags -fomit-frame-pointer
1314

    
1315
# Add processor-specific flags
1316
if test $cpu != "generic"; then
1317
    warn_altivec(){
1318
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1319
    }
1320
    case $cpu in
1321
        601|ppc601|PowerPC601)
1322
            add_cflags "-mcpu=601"
1323
            warn_altivec enabled PPC601
1324
        ;;
1325
        603*|ppc603*|PowerPC603*)
1326
            add_cflags "-mcpu=603"
1327
            warn_altivec enabled PPC603
1328
        ;;
1329
        604*|ppc604*|PowerPC604*)
1330
            add_cflags "-mcpu=604"
1331
            warn_altivec enabled PPC604
1332
        ;;
1333
        G3|g3|75*|ppc75*|PowerPC75*)
1334
            add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1335
            warn_altivec enabled PPC75x
1336
        ;;
1337
        G4|g4|745*|ppc745*|PowerPC745*)
1338
            add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1339
            warn_altivec disabled PPC745x
1340
        ;;
1341
        74*|ppc74*|PowerPC74*)
1342
            add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1343
            warn_altivec disabled PPC74xx
1344
        ;;
1345
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1346
            add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1347
            warn_altivec disabled PPC970
1348
            enable ppc64
1349
        ;;
1350
        Cell|CELL|cell)
1351
            add_cflags "-mcpu=cell"
1352
            warn_altivec disabled Cell
1353
            enable ppc64
1354
        ;;
1355
        # targets that do NOT support conditional mov (cmov)
1356
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1357
            add_cflags "-march=$cpu"
1358
            cmov="no"
1359
        ;;
1360
        # targets that do support conditional mov (cmov)
1361
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1362
            add_cflags "-march=$cpu"
1363
            cmov="yes"
1364
            fast_cmov="yes"
1365
        ;;
1366
        # targets that do support conditional mov but on which it's slow
1367
        pentium4|prescott|nocona)
1368
            add_cflags "-march=$cpu"
1369
            cmov="yes"
1370
            fast_cmov="no"
1371
        ;;
1372
        sparc64)
1373
            add_cflags "-mcpu=v9"
1374
        ;;
1375
        bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1376
            add_cflags "-mfdpic"
1377
            add_ldflags "-mfdpic"
1378
        ;;
1379
        *)
1380
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1381
        ;;
1382
    esac
1383
fi
1384

    
1385
gnu_make(){
1386
    $1 --version 2>&1 | grep -q GNU
1387
}
1388

    
1389
if ! gnu_make $make; then
1390
    gnu_make gmake && make=gmake || die "GNU make not found."
1391
fi
1392

    
1393
# make sure we can execute files in $TMPDIR
1394
cat >$TMPE 2>>$logfile <<EOF
1395
#! /bin/sh
1396
EOF
1397
chmod +x $TMPE >>$logfile 2>&1
1398
if ! $TMPE >>$logfile 2>&1; then
1399
    cat <<EOF
1400
Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1401
variable to another directory and make sure that $TMPDIR1 is not mounted
1402
noexec.
1403
EOF
1404
    die "Sanity test failed."
1405
fi
1406
rm $TMPE
1407

    
1408
# compiler sanity check
1409
check_exec <<EOF
1410
int main(){
1411
    return 0;
1412
}
1413
EOF
1414
if test "$?" != 0; then
1415
    echo "$cc is unable to create an executable file."
1416
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1417
        echo "If $cc is a cross-compiler, use the --cross-compile option."
1418
        echo "Only do this if you know what cross compiling means."
1419
    fi
1420
    die "C compiler test failed."
1421
fi
1422

    
1423
if enabled x86; then
1424
    # check whether EBP is available on x86
1425
    # As 'i' is stored on the stack, this program will crash
1426
    # if the base pointer is used to access it because the
1427
    # base pointer is cleared in the inline assembly code.
1428
    check_exec_crash <<EOF && enable ebp_available
1429
    volatile int i=0;
1430
    asm volatile (
1431
        "xorl %%ebp, %%ebp"
1432
    ::: "%ebp");
1433
    return i;
1434
EOF
1435

    
1436
    # check wether EBX is available on x86
1437
    check_cc <<EOF && enable ebx_available
1438
int main(){
1439
    asm volatile ("":::"%ebx");
1440
}
1441
EOF
1442

    
1443
    # check whether binutils is new enough to compile SSSE3
1444
    enabled ssse3 && check_cc <<EOF || disable ssse3
1445
int main(){
1446
    asm volatile ("pabsw %xmm0, %xmm0");
1447
}
1448
EOF
1449
fi
1450

    
1451
# check for assembler specific support
1452

    
1453
if test $arch = "powerpc"; then
1454
check_cc <<EOF && dcbzl=yes
1455
int main(void) {
1456
    register long zero = 0;
1457
    char data[1024];
1458
    asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1459
return 0;
1460
}
1461
EOF
1462
fi
1463

    
1464
# check for SIMD availability
1465

    
1466
# AltiVec flags: The FSF version of GCC differs from the Apple version
1467
if enabled altivec; then
1468
    if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1469
        add_cflags "-faltivec"
1470
    else
1471
        add_cflags "-maltivec -mabi=altivec"
1472
    fi
1473

    
1474
    check_header altivec.h
1475

    
1476
    # check if our compiler supports Motorola AltiVec C API
1477
    if enabled altivec_h; then
1478
        inc_altivec_h="#include <altivec.h>"
1479
    else
1480
        inc_altivec_h=
1481
    fi
1482
    check_cc <<EOF || altivec=no
1483
$inc_altivec_h
1484
int main(void) {
1485
    vector signed int v1, v2, v3;
1486
    v1 = vec_add(v2,v3);
1487
    return 0;
1488
}
1489
EOF
1490
fi
1491

    
1492
# check armv5te instructions support
1493
enabled armv5te && check_cc <<EOF || disable armv5te
1494
int main(void) {
1495
    __asm__ __volatile__ ("qadd r0, r0, r0");
1496
}
1497
EOF
1498

    
1499
enabled armv6 && check_cc <<EOF || disable armv6
1500
int main(void) {
1501
    __asm__ __volatile__ ("sadd16 r0, r0, r0");
1502
}
1503
EOF
1504

    
1505
# check iwmmxt support
1506
enabled iwmmxt && check_cc <<EOF || disable iwmmxt
1507
int main(void) {
1508
    __asm__ __volatile__ ("wunpckelub wr6, wr4");
1509
}
1510
EOF
1511

    
1512
# check if our compiler supports mmi
1513
enabled mmi && check_cc <<EOF || mmi="no"
1514
int main(void) {
1515
    __asm__ ("lq \$2, 0(\$2)");
1516
    return 0;
1517
}
1518
EOF
1519

    
1520
# ---
1521
# big/little-endian test
1522
if ! enabled cross_compile; then
1523
    check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1524
#include <inttypes.h>
1525
int main(int argc, char ** argv){
1526
        volatile uint32_t i=0x01234567;
1527
        return (*((uint8_t*)(&i))) == 0x67;
1528
}
1529
EOF
1530
else
1531
    # programs cannot be launched if cross compiling, so make a static guess
1532
    if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1533
        bigendian="yes"
1534
    fi
1535
fi
1536

    
1537
# ---
1538
# check availability of some header files
1539

    
1540
check_header malloc.h
1541
check_func memalign
1542

    
1543
if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1544
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1545
fi
1546

    
1547
check_header byteswap.h
1548

    
1549
check_func mkstemp
1550
check_func gethrtime
1551

    
1552
check_header termios.h
1553
check_header conio.h
1554

    
1555
check_header arpa/inet.h
1556
check_header winsock2.h
1557

    
1558
check_func inet_aton
1559
enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1560

    
1561
# ffserver uses poll(),
1562
# if it's not found we can emulate it using select().
1563
if enabled ffserver; then
1564
    check_header sys/poll.h
1565
fi
1566

    
1567
# check for some common methods of building with pthread support
1568
# do this before the optional library checks as some of them require pthreads
1569
if enabled pthreads; then
1570
    if check_func pthread_create; then
1571
        :
1572
    elif check_func pthread_create -pthread; then
1573
        add_cflags -pthread
1574
        add_ldflags -pthread
1575
    elif check_func pthread_create -pthreads; then
1576
        add_cflags -pthreads
1577
        add_ldflags -pthreads
1578
    elif ! check_lib pthread.h pthread_create -lpthread; then
1579
        die "ERROR: can't find pthreads library"
1580
    fi
1581
fi
1582

    
1583
for thread in $THREADS_LIST; do
1584
    if enabled $thread; then
1585
        if test -n "$thread_type"; then
1586
            die "ERROR: Only one thread type must be selected."
1587
        else
1588
            thread_type="$thread"
1589
        fi
1590
    fi
1591
done
1592

    
1593
# test for lrintf in math.h
1594
check_exec <<EOF && lrintf=yes || lrintf=no
1595
#define _ISOC9X_SOURCE  1
1596
#include <math.h>
1597
int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1598
EOF
1599

    
1600
enabled_any libamr_nb libamr_wb && enable libamr
1601

    
1602
# these are off by default, so fail if requested and not available
1603
enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1604
enabled libamr_nb  && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1605
enabled libamr_wb  && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1606
enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1607
enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1608
enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1609
enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1610
enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1611
enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1612
enabled libx264    && require x264 x264.h x264_encoder_open -lx264
1613
enabled libxvid    && require Xvid xvid.h xvid_global -lxvidcore
1614
enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1615
enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1616
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1617
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1618
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1619

    
1620
# disable the native AC-3 decoder if liba52 is enabled
1621
enabled liba52 && disable ac3_decoder
1622

    
1623
_restrict=
1624
for restrict_keyword in restrict __restrict__ __restrict; do
1625
    check_cc <<EOF && _restrict=$restrict_keyword && break
1626
void foo(char * $restrict_keyword p);
1627
EOF
1628
done
1629

    
1630
# dlopen/dlfcn.h probing
1631

    
1632
check_header dlfcn.h
1633

    
1634
if check_func dlopen; then
1635
    ldl=
1636
elif check_func dlopen -ldl; then
1637
    ldl=-ldl
1638
fi
1639

    
1640
check_func getrusage
1641
check_func2 windows.h GetProcessTimes
1642

    
1643
check_func fork
1644
check_func closesocket ||
1645
    check_func2 winsock2.h closesocket
1646

    
1647
test "$vhook" = "default" && vhook="$dlopen"
1648

    
1649
enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1650

    
1651
if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1652
    vhook="no"
1653
    echo
1654
    echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1655
    echo "Patches welcome."
1656
    echo
1657
fi
1658

    
1659
if enabled vhook; then
1660
    check_ldflags -rdynamic
1661
    check_ldflags -export-dynamic
1662
fi
1663

    
1664
enabled audio_beos && add_extralibs "-lmedia -lbe"
1665

    
1666
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1667
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1668

    
1669
##########################################
1670
# SDL check
1671

    
1672
sdl_too_old=no
1673
sdl=no
1674
SDL_CONFIG="${cross_prefix}sdl-config"
1675
if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1676
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
1677
    temp_cflags $sdl_cflags
1678
    temp_extralibs `"${SDL_CONFIG}" --libs`
1679
    if check_lib SDL.h SDL_Init; then
1680
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1681
        if test "$_sdlversion" -lt 121 ; then
1682
            sdl_too_old=yes
1683
        else
1684
            sdl=yes
1685
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
1686
#include <SDL.h>
1687
int main(void){
1688
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1689
    int w = vi->current_w;
1690
    return 0;
1691
}
1692
EOF
1693
        fi
1694
    fi
1695
    restore_flags
1696
fi
1697

    
1698
texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1699

    
1700
##########################################
1701
# IPv6 check
1702

    
1703
enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1704
#include <sys/types.h>
1705
#include <sys/socket.h>
1706
#include <netinet/in.h>
1707
#include <netdb.h>
1708
int main( void ) {
1709
  struct sockaddr_storage saddr;
1710
  struct ipv6_mreq mreq6;
1711
  getaddrinfo(0,0,0,0);
1712
  getnameinfo(0,0,0,0,0,0,0);
1713
  IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1714
}
1715
EOF
1716

    
1717
enabled v4l  && check_header linux/videodev.h  || disable v4l
1718
enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1719

    
1720
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1721
if enabled bktr; then
1722
    { check_header dev/bktr/ioctl_meteor.h &&
1723
      check_header dev/bktr/ioctl_bt848.h; } ||
1724
    { check_header machine/ioctl_meteor.h &&
1725
      check_header machine/ioctl_bt848.h; } ||
1726
    { check_header dev/video/meteor/ioctl_meteor.h &&
1727
      check_header dev/video/bktr/ioctl_bt848.h; } ||
1728
    check_header dev/ic/bt8xx.h ||
1729
    disable bktr
1730
fi
1731

    
1732
enabled audio_oss &&
1733
    check_header sys/soundcard.h ||
1734
    check_header soundcard.h ||
1735
    disable audio_oss
1736

    
1737
# Deal with the x11 frame grabber
1738
enabled x11grab                         &&
1739
enabled gpl                             &&
1740
enabled x11_grab_device_demuxer         &&
1741
check_header X11/Xlib.h                 &&
1742
check_header X11/extensions/XShm.h      &&
1743
check_func XOpenDisplay -lX11           &&
1744
check_func XShmCreateImage -lX11 -lXext &&
1745
add_extralibs -lX11 -lXext              ||
1746
disable x11_grab_device_demuxer
1747

    
1748
enabled debug && add_cflags -g
1749

    
1750
# add some useful compiler flags if supported
1751
check_cflags -Wdeclaration-after-statement
1752
check_cflags -Wall
1753
check_cflags -Wno-switch
1754
check_cflags -Wdisabled-optimization
1755
check_cflags -Wpointer-arith
1756
check_cflags -Wredundant-decls
1757
check_cflags -Wno-pointer-sign
1758
enabled extra_warnings && check_cflags -Winline
1759

    
1760
# add some linker flags
1761
check_ldflags -Wl,--warn-common
1762
check_ldflags $LDLATEFLAGS
1763

    
1764
if enabled small; then
1765
    check_cflags -Os            # not all compilers support -Os
1766
    optimize="small"
1767
elif enabled optimize; then
1768
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1769
        add_cflags  "-O5"
1770
        add_ldflags "-O5"
1771
    else
1772
        add_cflags "-O3"
1773
    fi
1774
fi
1775

    
1776
# PIC flags for shared library objects where they are needed
1777
if enabled shared; then
1778
    # LIBOBJFLAGS may have already been set in the OS configuration
1779
    if test -z "$LIBOBJFLAGS" ; then
1780
        case "$arch" in
1781
            x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1782
        esac
1783
    fi
1784
fi
1785

    
1786
if enabled gprof; then
1787
    add_cflags  "-p"
1788
    add_ldflags "-p"
1789
fi
1790

    
1791
VHOOKCFLAGS="-fPIC"
1792

    
1793
# find if .align arg is power-of-two or not
1794
if test $asmalign_pot = "unknown"; then
1795
    asmalign_pot="no"
1796
    echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1797
fi
1798

    
1799
enabled_any $ENCODER_LIST  && enable encoders
1800
enabled_any $DECODER_LIST  && enable decoders
1801
enabled_any $MUXER_LIST    && enable muxers
1802
enabled_any $DEMUXER_LIST  && enable demuxers
1803
enabled_any $PROTOCOL_LIST && enable protocols
1804
enabled_any $BSF_LIST      && enable bsfs
1805

    
1806
enabled_any $THREADS_LIST  && enable threads
1807

    
1808
check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1809
    $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
1810

    
1811
enabled libogg    && append pkg_requires "ogg >= 1.1"
1812
enabled libtheora && append pkg_requires "theora"
1813
enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1814
enabled dc1394    && append pkg_requires "libraw1394"
1815

    
1816
echo "install prefix            $PREFIX"
1817
echo "source path               $source_path"
1818
echo "C compiler                $cc"
1819
echo "make                      $make"
1820
echo ".align is power-of-two    $asmalign_pot"
1821
echo "ARCH                      $arch ($cpu)"
1822
if test "$BUILDSUF" != ""; then
1823
    echo "build suffix              $BUILDSUF"
1824
fi
1825
echo "big-endian                ${bigendian-no}"
1826
if test $arch = "x86_32" -o $arch = "x86_64"; then
1827
    echo "MMX enabled               ${mmx-no}"
1828
    echo "CMOV enabled              ${cmov-no}"
1829
    echo "CMOV is fast              ${fast_cmov-no}"
1830
fi
1831
if test $arch = "armv4l"; then
1832
    echo "ARMv5TE enabled           ${armv5te-no}"
1833
    echo "ARMv6 enabled             ${armv6-no}"
1834
    echo "IWMMXT enabled            ${iwmmxt-no}"
1835
fi
1836
if test $arch = "mips"; then
1837
    echo "MMI enabled               ${mmi-no}"
1838
fi
1839
if test $arch = "powerpc"; then
1840
    echo "AltiVec enabled           ${altivec-no}"
1841
    echo "dcbzl available           ${dcbzl-no}"
1842
fi
1843
echo "gprof enabled             ${gprof-no}"
1844
echo "debug symbols             ${debug-no}"
1845
echo "strip symbols             ${dostrip-no}"
1846
echo "optimize                  ${optimize-no}"
1847
echo "static                    ${static-no}"
1848
echo "shared                    ${shared-no}"
1849
echo "postprocessing support    ${pp-no}"
1850
echo "software scaler enabled   ${swscaler-no}"
1851
echo "video hooking             ${vhook-no}"
1852
if enabled vhook; then
1853
    echo "Imlib2 support            ${imlib2-no}"
1854
    echo "FreeType support          ${freetype2-no}"
1855
fi
1856
echo "network support           ${network-no}"
1857
if enabled network; then
1858
    echo "IPv6 support              ${ipv6-no}"
1859
fi
1860
echo "threading support         ${thread_type-no}"
1861
echo "SDL support               ${sdl-no}"
1862
if enabled sdl_too_old; then
1863
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1864
fi
1865
echo "Sun medialib support      ${mlib-no}"
1866
echo "AVISynth enabled          ${avisynth-no}"
1867
echo "liba52 support            ${liba52-no}"
1868
echo "liba52 dlopened           ${liba52bin-no}"
1869
echo "libamr-nb support         ${libamr_nb-no}"
1870
echo "libamr-wb support         ${libamr_wb-no}"
1871
echo "libfaac enabled           ${libfaac-no}"
1872
echo "libfaad enabled           ${libfaad-no}"
1873
echo "libfaad dlopened          ${libfaadbin-no}"
1874
echo "libgsm enabled            ${libgsm-no}"
1875
echo "libmp3lame enabled        ${libmp3lame-no}"
1876
echo "libnut enabled            ${libnut-no}"
1877
echo "libogg enabled            ${libogg-no}"
1878
echo "libtheora enabled         ${libtheora-no}"
1879
echo "libvorbis enabled         ${libvorbis-no}"
1880
echo "x264 enabled              ${libx264-no}"
1881
echo "XviD enabled              ${libxvid-no}"
1882
echo "zlib enabled              ${zlib-no}"
1883
if ! enabled gpl; then
1884
    echo "License: LGPL"
1885
else
1886
    echo "License: GPL"
1887
fi
1888

    
1889
echo "Creating config.mak and config.h..."
1890

    
1891
echo "# Automatically generated by configure - do not modify!" > config.mak
1892
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1893
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1894

    
1895
echo "PREFIX=$PREFIX" >> config.mak
1896
echo "prefix=\$(DESTDIR)\$(PREFIX)" >> config.mak
1897
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
1898
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
1899
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
1900
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
1901
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
1902
echo "MAKE=$make" >> config.mak
1903
echo "CC=$cc" >> config.mak
1904
echo "AR=$ar" >> config.mak
1905
echo "RANLIB=$ranlib" >> config.mak
1906
if enabled dostrip; then
1907
    echo "STRIP=$strip" >> config.mak
1908
else
1909
    echo "STRIP=echo ignoring strip" >> config.mak
1910
fi
1911

    
1912
echo "OPTFLAGS=$CFLAGS" >> config.mak
1913
echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1914
echo "LDFLAGS=$LDFLAGS" >> config.mak
1915
echo "LDCONFIG=$LDCONFIG" >> config.mak
1916
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1917
echo "SHFLAGS=$SHFLAGS" >> config.mak
1918
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1919
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1920
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1921
echo "BUILD_STATIC=$static" >> config.mak
1922
echo "BUILDSUF=$BUILDSUF" >> config.mak
1923
echo "LIBPREF=$LIBPREF" >> config.mak
1924
echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1925
echo "LIB=$LIB" >> config.mak
1926
echo "SLIBPREF=$SLIBPREF" >> config.mak
1927
echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1928
echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1929

    
1930
if enabled bigendian; then
1931
  echo "WORDS_BIGENDIAN=yes" >> config.mak
1932
  echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1933
fi
1934
if enabled mmx; then
1935
  echo "#define __CPU__ 586" >> $TMPH
1936
fi
1937

    
1938
if enabled sdl; then
1939
  echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1940
  echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1941
fi
1942
if enabled texi2html; then
1943
  echo "BUILD_DOC=yes" >> config.mak
1944
fi
1945

    
1946
sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1947
pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1948
lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1949
lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1950
lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1951

    
1952

    
1953

    
1954
if enabled shared; then
1955
  echo "BUILD_SHARED=yes" >> config.mak
1956
  echo "PIC=-fPIC -DPIC" >> config.mak
1957
  echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1958
  echo "SPPVERSION=$pp_version" >> config.mak
1959
  echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1960
  echo "LAVCVERSION=$lavc_version" >> config.mak
1961
  echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1962
  echo "LAVFVERSION=$lavf_version" >> config.mak
1963
  echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1964
  echo "LAVUVERSION=$lavu_version" >> config.mak
1965
  echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1966
  echo "SWSVERSION=$sws_version" >> config.mak
1967
  echo "SLIBNAME=${SLIBNAME}" >> config.mak
1968
  echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1969
  echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1970
  echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1971
  echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1972
fi
1973
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1974
echo "EXTRALIBS=$extralibs" >> config.mak
1975

    
1976
print_config ARCH_   $TMPH config.mak $ARCH_LIST
1977
print_config HAVE_   $TMPH config.mak $HAVE_LIST
1978
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST   \
1979
                                      $DECODER_LIST  \
1980
                                      $ENCODER_LIST  \
1981
                                      $PARSER_LIST   \
1982
                                      $BSF_LIST      \
1983
                                      $DEMUXER_LIST  \
1984
                                      $MUXER_LIST    \
1985
                                      $PROTOCOL_LIST \
1986

    
1987
if test "$targetos" = darwin; then
1988
  echo "#define CONFIG_DARWIN 1"  >> $TMPH
1989
fi
1990

    
1991
echo "#define restrict $_restrict" >> $TMPH
1992

    
1993
if enabled small; then
1994
  echo "#define av_always_inline"  >> $TMPH
1995
fi
1996

    
1997
echo "SRC_PATH=\"$source_path\"" >> config.mak
1998
echo "SRC_PATH_BARE=$source_path" >> config.mak
1999
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2000

    
2001
# Apparently it's not possible to portably echo a backslash.
2002
if enabled asmalign_pot; then
2003
  printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2004
else
2005
  printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2006
fi
2007

    
2008

    
2009
# Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2010
if ! cmp -s $TMPH config.h; then
2011
        mv -f $TMPH config.h
2012
else
2013
        echo "config.h is unchanged"
2014
fi
2015

    
2016
rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2017

    
2018
# build tree in object directory if source path is different from current one
2019
if enabled source_path_used; then
2020
    DIRS="\
2021
         doc \
2022
         libavcodec \
2023
         libavcodec/alpha \
2024
         libavcodec/armv4l \
2025
         libavcodec/bfin \
2026
         libavcodec/i386 \
2027
         libavcodec/mlib \
2028
         libavcodec/ppc \
2029
         libavcodec/sh4 \
2030
         libavcodec/sparc \
2031
         libavformat \
2032
         libavutil \
2033
         libpostproc \
2034
         libswscale \
2035
         tests \
2036
         tools \
2037
         vhook \
2038
         "
2039
    FILES="\
2040
          Makefile \
2041
          common.mak \
2042
          doc/texi2pod.pl \
2043
          libavcodec/Makefile \
2044
          libavformat/Makefile \
2045
          libavutil/Makefile \
2046
          libpostproc/Makefile \
2047
          libswscale/Makefile \
2048
          "
2049
    for dir in $DIRS ; do
2050
            mkdir -p $dir
2051
    done
2052
    for f in $FILES ; do
2053
        ln -sf "$source_path/$f" $f
2054
    done
2055
fi
2056

    
2057

    
2058
# build pkg-config files
2059
# FIXME: libdir and includedir are hardcoded and may differ from the real path.
2060

    
2061
pkgconfig_generate(){
2062
name=$1
2063
comment=$2
2064
version=$3
2065
libs=$4
2066
requires=$5
2067
include=$6
2068
cat <<EOF >$name.pc
2069
prefix=$PREFIX
2070
exec_prefix=\${prefix}
2071
libdir=\${exec_prefix}/lib
2072
includedir=\${prefix}/include
2073

    
2074
Name: $name
2075
Description: $comment
2076
Version: $version
2077
Requires: $requires
2078
Conflicts:
2079
Libs: -L\${libdir} $libs
2080
Cflags: -I\${includedir} -I\${includedir}/$include
2081
EOF
2082
}
2083

    
2084
pkgconfig_generate_uninstalled(){
2085
name=$1
2086
shortname=${name#lib}
2087
comment=$2
2088
version=$3
2089
libs=$4
2090
requires=$5
2091
cat <<EOF >$name-uninstalled.pc
2092
prefix=
2093
exec_prefix=
2094
libdir=\${pcfiledir}/$name
2095
includedir=\${pcfiledir}/$name
2096

    
2097
Name: $name
2098
Description: $comment
2099
Version: $version
2100
Requires: $requires
2101
Conflicts:
2102
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2103
Cflags: -I\${includedir}
2104
EOF
2105
}
2106

    
2107
pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2108
pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2109

    
2110
pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2111
pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2112

    
2113
pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2114
pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2115

    
2116
if enabled pp; then
2117
  pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2118
  pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2119
fi
2120

    
2121
if enabled swscaler; then
2122
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2123
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2124
else
2125
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2126
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2127
  apply libswscale.pc sed s/^Libs:.*$/Libs:/
2128
  apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2129
fi