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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000, 2001, 2002 Fabrice Bellard
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# Copyright (c) 2005-2006 Diego Biurrun
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# Copyright (c) 2005-2006 Mans Rullgard
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#
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" >/dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2>/dev/null
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E1="$?"
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(: ${foo?}) 2>/dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
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show_help(){
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  echo "Usage: configure [options]"
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  echo "Options: [defaults in brackets after descriptions]"
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  echo
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  echo "Standard options:"
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  echo "  --help                   print this message"
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  echo "  --log[=FILE|yes|no]      log tests and output to FILE [config.err]"
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  echo "  --prefix=PREFIX          install in PREFIX [$PREFIX]"
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  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
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  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
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  echo "  --incdir=DIR             install includes in DIR [PREFIX/include/ffmpeg]"
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  echo "  --mandir=DIR             install man page in DIR [PREFIX/man]"
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  echo "  --enable-mingwce         enable MinGW native/cross WinCE compile"
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  echo "  --enable-static          build static libraries [default=yes]"
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  echo "  --disable-static         do not build static libraries [default=no]"
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  echo "  --enable-shared          build shared libraries [default=no]"
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  echo "  --disable-shared         do not build shared libraries [default=yes]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
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  echo "                           and ffmpeg will be under GPL [default=no]"
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  echo "  --enable-pp              enable GPLed postprocessing support [default=no]"
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  echo "  --enable-swscaler        software scaler support [default=no]"
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  echo "  --enable-beosthreads     use BeOS threads [default=no]"
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  echo "  --enable-os2threads      use OS/2 threads [default=no]"
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  echo "  --enable-pthreads        use pthreads [default=no]"
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  echo "  --enable-w32threads      use Win32 threads [default=no]"
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  echo "  --enable-x11grab         enable X11 grabbing [default=no]"
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  echo
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  echo "External library support:"
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  echo "  --enable-sunmlib         use Sun medialib [default=no]"
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  echo "  --enable-dc1394          enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [default=no]"
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  echo "  --enable-liba52          enable GPLed liba52 support [default=no]"
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  echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
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  echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
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  echo "  --enable-libdts          enable GPLed libdts support [default=no]"
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  echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
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  echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
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  echo "  --enable-libfaadbin      build FAAD support with runtime linking [default=no]"
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  echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
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  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native demuxer exists [default=no]"
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  echo "  --enable-libogg          enable Ogg muxing via libogg [default=no]"
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  echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
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  echo "  --enable-libvorbis       enable Vorbis en/decoding via libvorbis,"
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  echo "                           native implementations exist [default=no]"
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  echo "  --enable-x264            enable H.264 encoding via x264 [default=no]"
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  echo "  --enable-xvid            enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [default=no]"
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  echo "  --enable-amr_nb          enable amr_nb float audio codec"
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  echo "  --enable-amr_nb-fixed    use fixed point for amr-nb codec"
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  echo "  --enable-amr_wb          enable amr_wb float audio codec"
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  echo "  --enable-amr_if2         enable amr_wb IF2 audio codec"
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  echo ""
107
  echo "Advanced options (experts only):"
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  echo "  --source-path=PATH       path to source code [$source_path]"
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  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
110
  echo "  --cross-compile          assume a cross-compiler is used"
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  echo "  --target-os=OS           compiler targets OS [$targetos]"
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  echo "  --cc=CC                  use C compiler CC [$cc]"
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  echo "  --make=MAKE              use specified make [$make]"
114
  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
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  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
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  echo "  --build-suffix=SUFFIX    suffix for application specific build []"
118
  echo "  --arch=ARCH              select architecture  [$arch]"
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  echo "  --cpu=CPU                selects the minimum cpu required (affects"
120
  echo "                           instruction selection, may crash on older CPUs)"
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  echo "  --enable-powerpc-perf    enable performance report on PPC"
122
  echo "                           (requires enabling PMC)"
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  echo "  --disable-mmx            disable MMX usage"
124
  echo "  --disable-armv5te        disable armv5te usage"
125
  echo "  --disable-armv6          disable armv6 usage"
126
  echo "  --disable-iwmmxt         disable iwmmxt usage"
127
  echo "  --disable-altivec        disable AltiVec usage"
128
  echo "  --disable-audio-oss      disable OSS audio support [default=no]"
129
  echo "  --disable-audio-beos     disable BeOS audio support [default=no]"
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  echo "  --disable-v4l            disable video4linux grabbing [default=no]"
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  echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"
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  echo "  --disable-bktr           disable bktr video grabbing [default=no]"
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  echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"
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  echo "  --disable-network        disable network support [default=no]"
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  echo "  --disable-ipv6           disable ipv6 support [default=no]"
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  echo "  --disable-zlib           disable zlib [default=no]"
137
  echo "  --disable-vhook          disable video hooking support"
138
  echo "  --disable-debug          disable debugging symbols"
139
  echo "  --disable-mpegaudio-hp   faster (but less accurate)"
140
  echo "                           MPEG audio decoding [default=no]"
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  echo "  --disable-protocols      disable I/O protocols support [default=no]"
142
  echo "  --disable-ffmpeg         disable ffmpeg build"
143
  echo "  --disable-ffserver       disable ffserver build"
144
  echo "  --disable-ffplay         disable ffplay build"
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  echo "  --enable-small           optimize for size instead of speed"
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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"
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  echo "  --disable-decoders       disables all decoders"
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  echo "  --disable-muxer=NAME     disables muxer NAME"
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  echo "  --enable-muxer=NAME      enables muxer NAME"
155
  echo "  --disable-muxers         disables all muxers"
156
  echo "  --disable-demuxer=NAME   disables demuxer NAME"
157
  echo "  --enable-demuxer=NAME    enables demuxer NAME"
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  echo "  --disable-demuxers       disables all demuxers"
159
  echo "  --enable-parser=NAME     enables parser NAME"
160
  echo "  --disable-parser=NAME    disables parser NAME"
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  echo "  --disable-parsers        disables all parsers"
162
  echo
163
  echo "Developer options (useful when working on FFmpeg itself):"
164
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
165
  echo "  --disable-opts           disable compiler optimizations"
166
  echo "  --enable-extra-warnings  enable more compiler warnings"
167
  echo "  --disable-strip          disable stripping of executables and shared libraries"
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  echo ""
169
  echo "NOTE: Object files are built at the place where configure is launched."
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  exit 1
171
}
172

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
505
check_foo_config(){
506
    cfg=$1
507
    pkg=$2
508
    header=$3
509
    func=$4
510
    shift 4
511
    disable $cfg
512
    check_cmd ${pkg}-config --version
513
    err=$?
514
    if test "$err" = 0; then
515
        temp_cflags `${pkg}-config --cflags`
516
        temp_extralibs `${pkg}-config --libs`
517
        check_lib "$@" $header $func && enable $cfg
518
    fi
519
    return $err
520
}
521

    
522
apply(){
523
    file=$1
524
    shift
525
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
526
}
527

    
528
CONFIG_LIST='
529
    encoders
530
    decoders
531
    parsers
532
    muxers
533
    demuxers
534
    amr
535
    amr_nb
536
    amr_nb_fixed
537
    amr_wb
538
    audio_beos
539
    audio_oss
540
    avisynth
541
    beos_netserver
542
    bktr
543
    dc1394
544
    dv1394
545
    ffmpeg
546
    ffplay
547
    ffserver
548
    gpl
549
    gprof
550
    ipv6
551
    liba52
552
    liba52bin
553
    libdts
554
    libfaac
555
    libfaad
556
    libfaadbin
557
    libgsm
558
    libmp3lame
559
    libnut
560
    libogg
561
    libtheora
562
    libvorbis
563
    memalign_hack
564
    mpegaudio_hp
565
    network
566
    powerpc_perf
567
    pp
568
    protocols
569
    swscaler
570
    vhook
571
    v4l
572
    v4l2
573
    wince
574
    x11grab
575
    x264
576
    xvid
577
    zlib
578
'
579

    
580
THREADS_LIST='
581
    beosthreads
582
    os2threads
583
    pthreads
584
    w32threads
585
'
586

    
587
HAVE_LIST="
588
    $THREADS_LIST
589
    altivec
590
    altivec_h
591
    armv5te
592
    armv6
593
    byteswap_h
594
    cmov
595
    dcbzl
596
    dev_bktr_ioctl_bt848_h
597
    dev_bktr_ioctl_meteor_h
598
    dev_ic_bt8xx_h
599
    dev_video_meteor_ioctl_meteor_h
600
    dev_video_bktr_ioctl_bt848_h
601
    dlfcn_h
602
    dlopen
603
    fast_cmov
604
    freetype2
605
    imlib2
606
    inet_aton
607
    iwmmxt
608
    localtime_r
609
    lrintf
610
    machine_ioctl_bt848_h
611
    machine_ioctl_meteor_h
612
    malloc_h
613
    memalign
614
    mlib
615
    mmi
616
    mmx
617
    os2
618
    sdl
619
    sdl_video_size
620
    soundcard_h
621
    sys_poll_h
622
    sys_soundcard_h
623
    threads
624
"
625

    
626
TARGET_LIST='
627
    altivec
628
    armv5te
629
    armv6
630
    iwmmxt
631
    mmi
632
    mmx
633
'
634

    
635
CMDLINE_SELECT="
636
    $CONFIG_LIST
637
    $TARGET_LIST
638
    $THREADS_LIST
639
    amr_if2
640
    debug
641
    extra_warnings
642
    shared
643
    static
644
"
645

    
646
flashsv_decoder_deps="zlib"
647
flashsv_encoder_deps="zlib"
648
mpeg_xvmc_decoder_deps="xvmc"
649
png_decoder_deps="zlib"
650
png_encoder_deps="zlib"
651
x264_encoder_deps="x264"
652
xvid_encoder_deps="xvid"
653
zmbv_decoder_deps="zlib"
654
zmbv_encoder_deps="zlib"
655

    
656
aac_decoder_deps="libfaad"
657
mpeg4aac_decoder_deps="libfaad"
658
amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
659
amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
660
amr_wb_decoder_deps="amr_wb"
661
amr_wb_encoder_deps="amr_wb"
662
dts_decoder_deps="libdts"
663
faac_encoder_deps="libfaac"
664
liba52_decoder_deps="liba52"
665
libgsm_decoder_deps="libgsm"
666
libgsm_encoder_deps="libgsm"
667
libgsm_ms_decoder_deps="libgsm"
668
libgsm_ms_encoder_deps="libgsm"
669
libtheora_encoder_deps="libtheora"
670
mp3lame_encoder_deps="libmp3lame"
671
oggvorbis_decoder_deps="libvorbis"
672
oggvorbis_encoder_deps="libvorbis"
673

    
674
audio_demuxer_deps_any="audio_oss audio_beos"
675
audio_muxer_deps_any="audio_oss audio_beos"
676
dc1394_demuxer_deps="dc1394"
677
dv1394_demuxer_deps="dv1394"
678
gxf_muxer_deps="gpl"
679
libnut_demuxer_deps="libnut"
680
libnut_muxer_deps="libnut"
681
ogg_muxer_deps="libogg"
682
redir_demuxer_deps="network"
683
rtp_muxer_deps="network"
684
rtsp_demuxer_deps="network"
685
sdp_demuxer_deps="network"
686
v4l2_demuxer_deps="v4l2"
687
video_grab_device_demuxer_deps_any="v4l bktr"
688
x11_grab_device_demuxer_deps="x11grab"
689

    
690
ffplay_deps="sdl"
691
ffserver_deps="network protocols muxers"
692
network_deps="protocols"
693

    
694
# set temporary file name
695
if test ! -z "$TMPDIR" ; then
696
    TMPDIR1="${TMPDIR}"
697
elif test ! -z "$TEMPDIR" ; then
698
    TMPDIR1="${TEMPDIR}"
699
else
700
    TMPDIR1="/tmp"
701
fi
702

    
703
TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
704
TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
705
TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
706
TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
707
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
708

    
709
# default parameters
710

    
711
logging="yes"
712
logfile="config.err"
713

    
714
# installation paths
715
PREFIX="/usr/local"
716
libdir='${PREFIX}/lib'
717
shlibdir="$libdir"
718
incdir='${PREFIX}/include/ffmpeg'
719
mandir='${PREFIX}/man'
720
bindir='${PREFIX}/bin'
721

    
722
# toolchain
723
cross_prefix=""
724
cross_compile="no"
725
cc="gcc"
726
ar="ar"
727
ranlib="ranlib"
728
make="make"
729
strip="strip"
730
asmalign_pot="unknown"
731

    
732
# machine
733
arch=`uname -m`
734
cpu="generic"
735
powerpc_perf="no"
736
mmx="default"
737
cmov="no"
738
fast_cmov="no"
739
armv5te="default"
740
armv6="default"
741
iwmmxt="default"
742
altivec="default"
743
dcbzl="no"
744
mmi="default"
745
bigendian="no"
746

    
747
# OS
748
targetos=`uname -s`
749
beos_netserver="no"
750
os2="no"
751
wince="no"
752

    
753
# non-library system interfaces
754
audio_beos="default"
755
audio_oss="yes"
756
bktr="yes"
757
dv1394="yes"
758
v4l2="yes"
759
v4l="yes"
760

    
761
# libraries
762
amr_if2="no"
763
amr_nb="no"
764
amr_nb_fixed="no"
765
amr_wb="no"
766
avisynth="no"
767
dc1394="no"
768
dlfcn_h="no"
769
dlopen="no"
770
liba52="no"
771
liba52bin="no"
772
libdts="no"
773
libfaac="no"
774
libfaad2="no"
775
libfaad="no"
776
libfaadbin="no"
777
libgsm="no"
778
libmp3lame="no"
779
libnut="no"
780
libogg="no"
781
libtheora="no"
782
libvorbis="no"
783
mlib="no"
784
x11grab="no"
785
x264="no"
786
xvid="no"
787
zlib="yes"
788

    
789
# configurable options
790
debug="yes"
791
dostrip="yes"
792
extra_warnings="no"
793
ffmpeg="yes"
794
ffplay="yes"
795
ffserver="yes"
796
gpl="no"
797
gprof="no"
798
ipv6="yes"
799
shared="no"
800
static="yes"
801
memalign_hack="no"
802
mpegaudio_hp="yes"
803
network="yes"
804
optimize="yes"
805
pp="no"
806
protocols="yes"
807
swscaler="no"
808
vhook="default"
809

    
810
# threading
811
beosthreads="no"
812
os2threads="no"
813
pthreads="no"
814
w32threads="no"
815
thread_type="no"
816

    
817
# build settings
818
SHFLAGS='-shared -Wl,-soname,$@'
819
VHOOKSHFLAGS='$(SHFLAGS)'
820
LIBOBJFLAGS=""
821
FFLDFLAGS=-Wl,--warn-common
822
LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
823
FFSERVERLDFLAGS=-Wl,-E
824
LDCONFIG="ldconfig"
825
LIBPREF="lib"
826
LIBSUF=".a"
827
LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
828
SLIBPREF="lib"
829
SLIBSUF=".so"
830
SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
831
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
832
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
833
EXESUF=""
834
BUILDSUF=""
835
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
836

    
837
# find source path
838
source_path="`dirname \"$0\"`"
839
source_path_used="yes"
840
if test -z "$source_path" -o "$source_path" = "." ; then
841
    source_path="`pwd`"
842
    source_path_used="no"
843
else
844
    source_path="`cd \"$source_path\"; pwd`"
845
    echo "$source_path" | grep -q '[[:blank:]]' &&
846
      die "Out of tree builds are impossible with whitespace in source path."
847
fi
848

    
849
if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
850
    show_help
851
fi
852

    
853
FFMPEG_CONFIGURATION="$@"
854

    
855
ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
856
DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
857
PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
858
MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
859
DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
860

    
861
enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
862

    
863
die_unknown(){
864
    echo "Unknown option \"$1\"."
865
    echo "See $0 --help for available options."
866
    exit 1
867
}
868

    
869
for opt do
870
  optval="${opt#*=}"
871
  case "$opt" in
872
  --log)
873
  ;;
874
  --log=*) logging="$optval"
875
  ;;
876
  --prefix=*) PREFIX="$optval"
877
  ;;
878
  --libdir=*) libdir="$optval"
879
  ;;
880
  --shlibdir=*) shlibdir="$optval"
881
  ;;
882
  --incdir=*) incdir="$optval"
883
  ;;
884
  --mandir=*) mandir="$optval"
885
  ;;
886
  --source-path=*) source_path="$optval"
887
  ;;
888
  --cross-prefix=*) cross_prefix="$optval"
889
  ;;
890
  --cross-compile) cross_compile="yes"
891
  ;;
892
  --target-os=*) targetos="$optval"
893
  ;;
894
  --cc=*) cc="$optval"
895
  ;;
896
  --make=*) make="$optval"
897
  ;;
898
  --extra-cflags=*) add_cflags "$optval"
899
  ;;
900
  --extra-ldflags=*) add_ldflags "$optval"
901
  ;;
902
  --extra-libs=*) add_extralibs "$optval"
903
  ;;
904
  --build-suffix=*) BUILDSUF="$optval"
905
  ;;
906
  --arch=*) arch="$optval"
907
  ;;
908
  --cpu=*) cpu="$optval"
909
  ;;
910
  --enable-mingwce) wince="yes"
911
  ;;
912
  --disable-opts) optimize="no"
913
  ;;
914
  --enable-small) optimize="small"
915
  ;;
916
  --enable-sunmlib) mlib="yes"
917
  ;;
918
  --disable-strip) dostrip="no"
919
  ;;
920
  --disable-encoders) disable $ENCODER_LIST
921
  ;;
922
  --disable-decoders) disable $DECODER_LIST
923
  ;;
924
  --disable-muxers) disable $MUXER_LIST
925
  ;;
926
  --disable-demuxers) disable $DEMUXER_LIST
927
  ;;
928
  --disable-parsers) disable $PARSER_LIST
929
  ;;
930
  --enable-*=*|--disable-*=*)
931
  eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
932
  case "$thing" in
933
      encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
934
      *) die_unknown "$opt" ;;
935
  esac
936
  ;;
937
  --enable-?*|--disable-?*)
938
  eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
939
  echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
940
  $action $option
941
  ;;
942
  --help) show_help
943
  ;;
944
  *)
945
  die_unknown $opt
946
  ;;
947
  esac
948
done
949

    
950
case "$arch" in
951
  i386|i486|i586|i686|i86pc|BePC)
952
    arch="x86_32"
953
  ;;
954
  x86_64|amd64)
955
    arch="x86_32"
956
    canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
957
    if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
958
      if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
959
        arch="x86_64"
960
      fi
961
    fi
962
  ;;
963
  # armv4l is a subset of armv[567]*l
964
  arm|armv[4567]*l)
965
    arch="armv4l"
966
  ;;
967
  alpha)
968
    arch="alpha"
969
  ;;
970
  "Power Macintosh"|ppc|ppc64|powerpc)
971
    arch="powerpc"
972
  ;;
973
  mips|mipsel|IP*)
974
    arch="mips"
975
  ;;
976
  sun4u|sparc64)
977
    arch="sparc64"
978
  ;;
979
  sparc)
980
    arch="sparc"
981
  ;;
982
  sh4)
983
    arch="sh4"
984
  ;;
985
  parisc|parisc64)
986
    arch="parisc"
987
  ;;
988
  s390|s390x)
989
    arch="s390"
990
  ;;
991
  m68k)
992
    arch="m68k"
993
  ;;
994
  ia64)
995
    arch="ia64"
996
  ;;
997
  bfin)
998
    arch="bfin"
999
  ;;
1000
  *)
1001
    arch="unknown"
1002
  ;;
1003
esac
1004

    
1005
# OS specific
1006
osextralibs="-lm"
1007
case `tolower $targetos` in
1008
  beos|haiku|zeta)
1009
    PREFIX="$HOME/config"
1010
    # helps building libavcodec
1011
    add_cflags "-DPIC -fomit-frame-pointer"
1012
    # 3 gcc releases known for BeOS, each with ugly bugs
1013
    gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1014
    case "$gcc_version" in
1015
      2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1016
        mmx="no"
1017
        ;;
1018
      *20010315*) echo "BeBits gcc"
1019
        add_cflags "-fno-expensive-optimizations"
1020
        ;;
1021
    esac
1022
    LDCONFIG="echo ignoring ldconfig"
1023
    SHFLAGS=-nostart
1024
    # disable Linux things
1025
    dv1394="no"
1026
    # enable BeOS things
1027
    disabled audio_beos || enable_audio_beos
1028
    # no need for libm, but the inet stuff
1029
    # Check for BONE
1030
    # XXX: actually should check for NOT net_server
1031
    if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1032
        osextralibs="-lbind -lsocket"
1033
    else
1034
        beos_netserver="yes"
1035
        osextralibs="-lnet"
1036
    fi ;;
1037
  sunos)
1038
    dv1394="no"
1039
    FFLDFLAGS=""
1040
    FFSERVERLDFLAGS=""
1041
    SHFLAGS="-shared -Wl,-h,\$@"
1042
    add_extralibs "-lsocket -lnsl"
1043
    ;;
1044
  netbsd)
1045
    dv1394="no"
1046
    add_extralibs "-lossaudio"
1047
    ;;
1048
  openbsd)
1049
    dv1394="no"
1050
    need_memalign="no"
1051
    LIBOBJFLAGS="\$(PIC)"
1052
    LDCONFIG="ldconfig -m \$(shlibdir)"
1053
    SHFLAGS='-shared'
1054
    SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1055
    SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1056
    SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1057
    add_extralibs "-lossaudio"
1058
    ;;
1059
  freebsd)
1060
    dv1394="no"
1061
    need_memalign="no"
1062
    add_cflags "-pthread"
1063
    ;;
1064
  gnu/kfreebsd)
1065
    dv1394="no"
1066
    add_cflags "-pthread"
1067
    ;;
1068
  bsd/os)
1069
    dv1394="no"
1070
    osextralibs="-lpoll -lgnugetopt -lm"
1071
    strip="strip -d"
1072
    ;;
1073
  darwin)
1074
    cc="cc"
1075
    dv1394="no"
1076
    need_memalign="no"
1077
    SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1078
    VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1079
    osextralibs=""
1080
    strip="strip -x"
1081
    FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1082
    SLIBSUF=".dylib"
1083
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1084
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1085
    FFSERVERLDFLAGS=-Wl,-bind_at_load
1086
    ;;
1087
  mingw32*)
1088
    if enabled_all shared static; then
1089
        cat <<EOF
1090
You can only build one library type at once on MinGW.
1091
Specify --disable-static --enable-shared to only build
1092
the shared libraries. To build only the static libraries
1093
you do not need to pass additional options.
1094
EOF
1095
        exit 1
1096
    fi
1097
    dv1394="no"
1098
    ffserver="no"
1099
    network="no"
1100
    if enabled wince; then
1101
        protocols="no"
1102
    fi
1103
    SLIBPREF=""
1104
    SLIBSUF=".dll"
1105
    EXESUF=".exe"
1106
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1107
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1108
    SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1109
    SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1110
    SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1111
    add_extralibs -lws2_32
1112
    ;;
1113
  cygwin*)
1114
    targetos=CYGWIN
1115
    shlibdir="$bindir"
1116
    dv1394="no"
1117
    VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1118
    VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1119
    osextralibs=""
1120
    EXESUF=".exe"
1121
    SLIBPREF="cyg"
1122
    SLIBSUF=".dll"
1123
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1124
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1125
    SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1126
    ;;
1127
  linux)
1128
    LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1129
    ;;
1130
  irix*)
1131
    targetos=IRIX
1132
    ranlib="echo ignoring ranlib"
1133
    ;;
1134
  os/2)
1135
    TMPE=$TMPE".exe"
1136
    ar="emxomfar -p128"
1137
    ranlib="echo ignoring ranlib"
1138
    strip="echo ignoring strip"
1139
    add_cflags "-Zomf"
1140
    FFLDFLAGS="-Zomf -Zstack 16384 -s"
1141
    SHFLAGS="-Zdll -Zomf"
1142
    FFSERVERLDFLAGS=""
1143
    LIBPREF=""
1144
    LIBSUF=".lib"
1145
    SLIBPREF=""
1146
    SLIBSUF=".dll"
1147
    EXESUF=".exe"
1148
    osextralibs=""
1149
    pkg_requires=""
1150
    dv1394="no"
1151
    ffserver="no"
1152
    vhook="no"
1153
    os2="yes"
1154
    ;;
1155
  *)
1156
    targetos="${targetos}-UNKNOWN"
1157
    ;;
1158
esac
1159

    
1160
add_extralibs $osextralibs
1161

    
1162
if ! disabled logging ; then
1163
    enabled logging || logfile="$logging"
1164
    echo "# $0 $@" >$logfile
1165
    set >>$logfile
1166
else
1167
    logfile=/dev/null
1168
fi
1169

    
1170
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1171
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1172

    
1173
test -n "$cross_prefix" && cross_compile=yes
1174
cc="${cross_prefix}${cc}"
1175
ar="${cross_prefix}${ar}"
1176
ranlib="${cross_prefix}${ranlib}"
1177
strip="${cross_prefix}${strip}"
1178

    
1179
# we need to build at least one lib type
1180
if disabled_all static shared; then
1181
    cat <<EOF
1182
At least one library type must be built.
1183
Specify --enable-static to build the static libraries or --enable-shared to
1184
build the shared libraries as well. To only build the shared libraries specify
1185
--disable-static in addition to --enable-shared.
1186
EOF
1187
    exit 1;
1188
fi
1189

    
1190
if disabled libogg; then
1191
    enabled libtheora && die "libogg must be enabled to enable libtheora."
1192
    enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1193
fi
1194

    
1195
if enabled_any libfaad libfaadbin ; then
1196
    if check_header faad.h; then
1197
        check_cc << EOF
1198
#include <faad.h>
1199
#ifndef FAAD2_VERSION
1200
ok faad1
1201
#endif
1202
int main( void ) { return 0; }
1203
EOF
1204
        test $? = 0 && enable libfaad2
1205
    else
1206
        die "FAAD test failed."
1207
    fi
1208
fi
1209

    
1210

    
1211
if disabled gpl ; then
1212
    die_gpl_disabled(){
1213
        name=$1
1214
        shift
1215
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1216
    }
1217
    die_gpl_disabled "The Postprocessing code" pp
1218
    die_gpl_disabled "liba52"                  liba52
1219
    die_gpl_disabled "libxvidcore"             xvid
1220
    die_gpl_disabled "x264"                    x264
1221
    die_gpl_disabled "libdts"                  libdts
1222
    die_gpl_disabled "FAAD2"                   libfaad2
1223
    die_gpl_disabled "The X11 grabber"         x11grab
1224
    die_gpl_disabled "The software scaler"     swscaler
1225
fi
1226

    
1227
# compute MMX state
1228
if test $mmx = "default"; then
1229
    if test $arch = "x86_32" -o $arch = "x86_64"; then
1230
        mmx="yes"
1231
    else
1232
        mmx="no"
1233
    fi
1234
fi
1235

    
1236
test -z "$need_memalign" && need_memalign="$mmx"
1237

    
1238
#Darwin CC versions
1239
needmdynamicnopic="no"
1240
if test $targetos = Darwin; then
1241
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1242
        add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1243
    else
1244
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1245
        case "$gcc_version" in
1246
            *2.95*)
1247
                add_cflags "-no-cpp-precomp -pipe"
1248
                ;;
1249
            *[34].*)
1250
                add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1251
                if disabled shared; then
1252
                   needmdynamicnopic="yes"
1253
                fi
1254
                ;;
1255
            *)
1256
                add_cflags "-no-cpp-precomp -pipe"
1257
                if disabled shared; then
1258
                   needmdynamicnopic="yes"
1259
                fi
1260
                ;;
1261
        esac
1262
    fi
1263
fi
1264

    
1265
disabled optimize || add_cflags -fomit-frame-pointer
1266

    
1267
# Can only do AltiVec on PowerPC
1268
if test $altivec = "default"; then
1269
    if test $arch = "powerpc"; then
1270
        altivec="yes"
1271
    else
1272
        altivec="no"
1273
    fi
1274
fi
1275

    
1276
# Add processor-specific flags
1277
POWERPCMODE="32bits"
1278
if test $cpu != "generic"; then
1279
    warn_altivec(){
1280
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1281
    }
1282
    case $cpu in
1283
        601|ppc601|PowerPC601)
1284
            add_cflags "-mcpu=601"
1285
            warn_altivec enabled PPC601
1286
        ;;
1287
        603*|ppc603*|PowerPC603*)
1288
            add_cflags "-mcpu=603"
1289
            warn_altivec enabled PPC603
1290
        ;;
1291
        604*|ppc604*|PowerPC604*)
1292
            add_cflags "-mcpu=604"
1293
            warn_altivec enabled PPC604
1294
        ;;
1295
        G3|g3|75*|ppc75*|PowerPC75*)
1296
            add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1297
            warn_altivec enabled PPC75x
1298
        ;;
1299
        G4|g4|745*|ppc745*|PowerPC745*)
1300
            add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1301
            warn_altivec disabled PPC745x
1302
        ;;
1303
        74*|ppc74*|PowerPC74*)
1304
            add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1305
            warn_altivec disabled PPC74xx
1306
        ;;
1307
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1308
            add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1309
            warn_altivec disabled PPC970
1310
            POWERPCMODE="64bits"
1311
        ;;
1312
        # targets that do NOT support conditional mov (cmov)
1313
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1314
            add_cflags "-march=$cpu"
1315
            cmov="no"
1316
        ;;
1317
        # targets that do support conditional mov (cmov)
1318
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1319
            add_cflags "-march=$cpu"
1320
            cmov="yes"
1321
            fast_cmov="yes"
1322
        ;;
1323
        # targets that do support conditional mov but on which it's slow
1324
        pentium4|prescott|nocona)
1325
            add_cflags "-march=$cpu"
1326
            cmov="yes"
1327
            fast_cmov="no"
1328
        ;;
1329
        sparc64)
1330
            add_cflags "-mcpu=v9"
1331
        ;;
1332
        bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1333
            add_cflags "-mfdpic"
1334
            add_ldflags "-mfdpic -Wl,--defsym,__stacksize=0x40000"
1335
        ;;
1336
        *)
1337
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1338
        ;;
1339
    esac
1340
fi
1341

    
1342
gnu_make(){
1343
    $1 --version 2>&1 | grep -q GNU
1344
}
1345

    
1346
if ! gnu_make $make; then
1347
    gnu_make gmake && make=gmake || die "GNU make not found."
1348
fi
1349

    
1350
# make sure we can execute files in $TMPDIR
1351
cat >$TMPE 2>>$logfile <<EOF
1352
#! /bin/sh
1353
EOF
1354
chmod +x $TMPE >>$logfile 2>&1
1355
if ! $TMPE >>$logfile 2>&1; then
1356
    cat <<EOF
1357
Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1358
variable to another directory and make sure that $TMPDIR1 is not mounted
1359
noexec.
1360
EOF
1361
    die "Sanity test failed."
1362
fi
1363
rm $TMPE
1364

    
1365
# compiler sanity check
1366
check_exec <<EOF
1367
int main(){
1368
    return 0;
1369
}
1370
EOF
1371
if test "$?" != 0; then
1372
    echo "$cc is unable to create an executable file."
1373
    if test -z "$cross_prefix" && disabled cross_compile ; then
1374
        echo "If $cc is a cross-compiler, use the --cross-compile option."
1375
        echo "Only do this if you know what cross compiling means."
1376
    fi
1377
    die "C compiler test failed."
1378
fi
1379

    
1380
# check for assembler specific support
1381

    
1382
if test $arch = "powerpc"; then
1383
check_cc <<EOF && dcbzl=yes
1384
int main(void) {
1385
    register long zero = 0;
1386
    char data[1024];
1387
    asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1388
return 0;
1389
}
1390
EOF
1391
fi
1392

    
1393
# check for SIMD availability
1394

    
1395
# AltiVec flags: The FSF version of GCC differs from the Apple version
1396
if test $arch = "powerpc"; then
1397
    if enabled altivec; then
1398
        if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1399
            add_cflags "-faltivec"
1400
        else
1401
            add_cflags "-maltivec -mabi=altivec"
1402
        fi
1403
    fi
1404
fi
1405

    
1406
check_header altivec.h
1407

    
1408
# check if our compiler supports Motorola AltiVec C API
1409
if enabled altivec; then
1410
    if enabled altivec_h; then
1411
        inc_altivec_h="#include <altivec.h>"
1412
    else
1413
        inc_altivec_h=
1414
    fi
1415
    check_cc <<EOF || altivec=no
1416
$inc_altivec_h
1417
int main(void) {
1418
    vector signed int v1, v2, v3;
1419
    v1 = vec_add(v2,v3);
1420
    return 0;
1421
}
1422
EOF
1423
fi
1424

    
1425
# check armv5te instructions support
1426
if test $armv5te = "default" -a $arch = "armv4l"; then
1427
    armv5te=no
1428
    check_cc <<EOF && armv5te=yes
1429
        int main(void) {
1430
        __asm__ __volatile__ ("qadd r0, r0, r0");
1431
        }
1432
EOF
1433
fi
1434

    
1435
if test $armv6 = "default" -a $arch = "armv4l"; then
1436
    check_cc <<EOF && armv6=yes || armv6=no
1437
int main(void) {
1438
    __asm__ __volatile__ ("sadd16 r0, r0, r0");
1439
}
1440
EOF
1441
fi
1442

    
1443
# check iwmmxt support
1444
if test $iwmmxt = "default" -a $arch = "armv4l"; then
1445
    iwmmxt=no
1446
    check_cc <<EOF && iwmmxt=yes
1447
        int main(void) {
1448
        __asm__ __volatile__ ("wunpckelub wr6, wr4");
1449
        }
1450
EOF
1451
fi
1452

    
1453
# mmi only available on mips
1454
if test $mmi = "default"; then
1455
    if test $arch = "mips"; then
1456
        mmi="yes"
1457
    else
1458
        mmi="no"
1459
    fi
1460
fi
1461

    
1462
# check if our compiler supports mmi
1463
enabled mmi && check_cc <<EOF || mmi="no"
1464
int main(void) {
1465
    __asm__ ("lq \$2, 0(\$2)");
1466
    return 0;
1467
}
1468
EOF
1469

    
1470
# ---
1471
# big/little-endian test
1472
if disabled cross_compile; then
1473
    check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1474
#include <inttypes.h>
1475
int main(int argc, char ** argv){
1476
        volatile uint32_t i=0x01234567;
1477
        return (*((uint8_t*)(&i))) == 0x67;
1478
}
1479
EOF
1480
else
1481
    # programs cannot be launched if cross compiling, so make a static guess
1482
    if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1483
        bigendian="yes"
1484
    fi
1485
fi
1486

    
1487
# ---
1488
# check availability of some header files
1489

    
1490
check_header malloc.h
1491
check_func memalign
1492

    
1493
if disabled_all memalign memalign_hack && enabled need_memalign ; then
1494
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1495
fi
1496

    
1497
check_header byteswap.h
1498

    
1499
check_func inet_aton
1500
check_func localtime_r
1501
enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1502

    
1503
# ffserver uses poll(),
1504
# if it's not found we can emulate it using select().
1505
if enabled ffserver; then
1506
    check_header sys/poll.h
1507
fi
1508

    
1509
# check for some common methods of building with pthread support
1510
# do this before the optional library checks as some of them require pthreads
1511
if enabled pthreads; then
1512
    if check_func pthread_create; then
1513
        :
1514
    elif check_func pthread_create -pthread; then
1515
        add_cflags -pthread
1516
        add_ldflags -pthread
1517
    elif check_func pthread_create -pthreads; then
1518
        add_cflags -pthreads
1519
        add_ldflags -pthreads
1520
    elif ! check_lib pthread.h pthread_create -lpthread; then
1521
        die "ERROR: can't find pthreads library"
1522
    fi
1523
fi
1524

    
1525
for thread in $THREADS_LIST; do
1526
    if enabled $thread; then
1527
        if ! disabled thread_type ; then
1528
            die "ERROR: Only one thread type must be selected."
1529
        else
1530
            thread_type="$thread"
1531
        fi
1532
    fi
1533
done
1534

    
1535
enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1536
enabled_all amr_nb amr_nb_fixed &&
1537
    die "Only one of amr_nb and amr_nb_fixed may be enabled."
1538

    
1539
# these are off by default, so fail if requested and not available
1540
enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1541
enabled libdts     && require libdts dts.h dts_init -ldts -lm
1542
enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1543
enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1544
enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1545
enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1546
enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1547
enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1548
enabled xvid       && require XviD xvid.h xvid_global -lxvidcore
1549
enabled x264       && require x264 x264.h x264_encoder_open -lx264
1550
enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1551
enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1552
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1553
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1554
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1555

    
1556
# test for lrintf in math.h
1557
check_exec <<EOF && lrintf=yes || lrintf=no
1558
#define _ISOC9X_SOURCE  1
1559
#include <math.h>
1560
int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1561
EOF
1562

    
1563
_restrict=
1564
for restrict_keyword in restrict __restrict__ __restrict; do
1565
    check_cc <<EOF && _restrict=$restrict_keyword && break
1566
void foo(char * $restrict_keyword p);
1567
EOF
1568
done
1569

    
1570
# dlopen/dlfcn.h probing
1571

    
1572
check_header dlfcn.h
1573

    
1574
if check_func dlopen; then
1575
    ldl=
1576
elif check_func dlopen -ldl; then
1577
    ldl=-ldl
1578
fi
1579

    
1580
test "$vhook" = "default" && vhook="$dlopen"
1581

    
1582
enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1583

    
1584
if test "$targetos" = "CYGWIN" && enabled static ; then
1585
    vhook="no"
1586
    echo
1587
    echo "At the moment vhooks don't work on Cygwin static builds."
1588
    echo "Patches welcome."
1589
    echo
1590
fi
1591

    
1592
if enabled vhook; then
1593
    check_ldflags -rdynamic
1594
    check_ldflags -export-dynamic
1595
fi
1596

    
1597
enabled audio_beos && add_extralibs "-lmedia -lbe"
1598

    
1599
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1600
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1601

    
1602
##########################################
1603
# SDL check
1604

    
1605
sdl_too_old=no
1606
sdl=no
1607
SDL_CONFIG="${cross_prefix}sdl-config"
1608
if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1609
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
1610
    temp_cflags $sdl_cflags
1611
    temp_extralibs `"${SDL_CONFIG}" --libs`
1612
    if check_lib SDL.h SDL_Init; then
1613
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1614
        if test "$_sdlversion" -lt 121 ; then
1615
            sdl_too_old=yes
1616
        else
1617
            sdl=yes
1618
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
1619
#include <SDL.h>
1620
int main(void){
1621
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1622
    int w = vi->current_w;
1623
    return 0;
1624
}
1625
EOF
1626
        fi
1627
    fi
1628
    restore_flags
1629
fi
1630

    
1631
texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1632

    
1633
##########################################
1634
# IPv6 check
1635

    
1636
enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1637
#include <sys/types.h>
1638
#include <sys/socket.h>
1639
#include <netinet/in.h>
1640
#include <netdb.h>
1641
int main( void ) {
1642
  struct sockaddr_storage saddr;
1643
  struct ipv6_mreq mreq6;
1644
  getaddrinfo(0,0,0,0);
1645
  getnameinfo(0,0,0,0,0,0,0);
1646
  IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1647
}
1648
EOF
1649

    
1650
enabled v4l  && check_header linux/videodev.h  || disable v4l
1651
enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1652

    
1653
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1654
if enabled bktr; then
1655
    { check_header dev/bktr/ioctl_meteor.h &&
1656
      check_header dev/bktr/ioctl_bt848.h; } ||
1657
    { check_header machine/ioctl_meteor.h &&
1658
      check_header machine/ioctl_bt848.h; } ||
1659
    { check_header dev/video/meteor/ioctl_meteor.h &&
1660
      check_header dev/video/bktr/ioctl_bt848.h; } ||
1661
    check_header dev/ic/bt8xx.h ||
1662
    disable bktr
1663
fi
1664

    
1665
enabled audio_oss &&
1666
    check_header sys/soundcard.h ||
1667
    check_header soundcard.h ||
1668
    disable audio_oss
1669

    
1670
# Deal with the x11 frame grabber
1671
enabled x11grab                         &&
1672
enabled gpl                             &&
1673
enabled x11_grab_device_demuxer         &&
1674
check_header X11/Xlib.h                 &&
1675
check_header X11/extensions/XShm.h      &&
1676
check_func XOpenDisplay -lX11           &&
1677
check_func XShmCreateImage -lX11 -lXext &&
1678
add_extralibs -lX11 -lXext              ||
1679
disable x11_grab_device_demuxer
1680

    
1681
enabled debug && add_cflags -g
1682

    
1683
# add some useful compiler flags if supported
1684
check_cflags -Wdeclaration-after-statement
1685
check_cflags -Wall
1686
check_cflags -Wno-switch
1687
check_cflags -Wdisabled-optimization
1688
check_cflags -Wpointer-arith
1689
check_cflags -Wredundant-decls
1690
check_cflags -Wno-pointer-sign
1691
enabled extra_warnings && check_cflags -Winline
1692

    
1693
# add some linker flags
1694
check_ldflags $LDLATEFLAGS
1695

    
1696
# not all compilers support -Os
1697
test "$optimize" = "small" && check_cflags -Os
1698

    
1699
if enabled optimize; then
1700
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1701
        add_cflags  "-O5"
1702
        add_ldflags "-O5"
1703
    else
1704
        add_cflags "-O3"
1705
    fi
1706
fi
1707

    
1708
# PIC flags for shared library objects where they are needed
1709
if enabled shared; then
1710
    # LIBOBJFLAGS may have already been set in the OS configuration
1711
    if test -z "$LIBOBJFLAGS" ; then
1712
        case "$arch" in
1713
            x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1714
        esac
1715
    fi
1716
fi
1717

    
1718
if enabled gprof; then
1719
    add_cflags  "-p"
1720
    add_ldflags "-p"
1721
fi
1722

    
1723
VHOOKCFLAGS="-fPIC $CFLAGS"
1724
enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1725

    
1726
# find if .align arg is power-of-two or not
1727
if test $asmalign_pot = "unknown"; then
1728
    asmalign_pot="no"
1729
    echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1730
fi
1731

    
1732
enabled_any $ENCODER_LIST && enable encoders
1733
enabled_any $DECODER_LIST && enable decoders
1734
enabled_any $MUXER_LIST   && enable muxers
1735
enabled_any $DEMUXER_LIST && enable demuxers
1736

    
1737
enabled_any $THREADS_LIST && enable threads
1738

    
1739
check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1740
    $DEMUXER_LIST $MUXER_LIST
1741

    
1742
enabled libogg    && append pkg_requires "ogg >= 1.1"
1743
enabled libtheora && append pkg_requires "theora"
1744
enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1745
enabled dc1394    && append pkg_requires "libraw1394"
1746

    
1747
echo "install prefix            $PREFIX"
1748
echo "source path               $source_path"
1749
echo "C compiler                $cc"
1750
echo "make                      $make"
1751
echo ".align is power-of-two    $asmalign_pot"
1752
echo "ARCH                      $arch ($cpu)"
1753
if test "$BUILDSUF" != ""; then
1754
    echo "build suffix              $BUILDSUF"
1755
fi
1756
echo "big-endian                $bigendian"
1757
if test $arch = "x86_32" -o $arch = "x86_64"; then
1758
    echo "MMX enabled               $mmx"
1759
    echo "CMOV enabled              $cmov"
1760
    echo "CMOV is fast              $fast_cmov"
1761
fi
1762
if test $arch = "armv4l"; then
1763
    echo "ARMv5TE enabled           $armv5te"
1764
    echo "ARMv6 enabled             $armv6"
1765
    echo "IWMMXT enabled            $iwmmxt"
1766
fi
1767
if test $arch = "mips"; then
1768
    echo "MMI enabled               $mmi"
1769
fi
1770
if test $arch = "powerpc"; then
1771
    echo "AltiVec enabled           $altivec"
1772
    echo "dcbzl available           $dcbzl"
1773
fi
1774
echo "gprof enabled             $gprof"
1775
echo "debug symbols             $debug"
1776
echo "strip symbols             $dostrip"
1777
echo "optimize                  $optimize"
1778
echo "static                    $static"
1779
echo "shared                    $shared"
1780
echo "postprocessing support    $pp"
1781
echo "software scaler enabled   $swscaler"
1782
echo "video hooking             $vhook"
1783
if enabled vhook; then
1784
    echo "Imlib2 support            $imlib2"
1785
    echo "FreeType support          $freetype2"
1786
fi
1787
echo "network support           $network"
1788
if enabled network; then
1789
    echo "IPv6 support              $ipv6"
1790
fi
1791
echo "threading support         $thread_type"
1792
echo "SDL support               $sdl"
1793
if enabled sdl_too_old; then
1794
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1795
fi
1796
echo "Sun medialib support      $mlib"
1797
echo "AVISynth enabled          $avisynth"
1798
echo "liba52 support            $liba52"
1799
echo "liba52 dlopened           $liba52bin"
1800
echo "libdts support            $libdts"
1801
echo "libfaac enabled           $libfaac"
1802
echo "libfaad enabled           $libfaad"
1803
echo "faadbin enabled           $libfaadbin"
1804
echo "libgsm enabled            $libgsm"
1805
echo "libmp3lame enabled        $libmp3lame"
1806
echo "libnut enabled            $libnut"
1807
echo "libogg enabled            $libogg"
1808
echo "libtheora enabled         $libtheora"
1809
echo "libvorbis enabled         $libvorbis"
1810
echo "x264 enabled              $x264"
1811
echo "XviD enabled              $xvid"
1812
echo "zlib enabled              $zlib"
1813
echo "AMR-NB float support      $amr_nb"
1814
echo "AMR-NB fixed support      $amr_nb_fixed"
1815
echo "AMR-WB float support      $amr_wb"
1816
echo "AMR-WB IF2 support        $amr_if2"
1817
if disabled gpl; then
1818
    echo "License: LGPL"
1819
else
1820
    echo "License: GPL"
1821
fi
1822

    
1823
echo "Creating config.mak and config.h..."
1824

    
1825
echo "# Automatically generated by configure - do not modify!" > config.mak
1826
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1827
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1828

    
1829
echo "PREFIX=$PREFIX" >> config.mak
1830
echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1831
echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1832
echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1833
echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1834
echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1835
echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1836
echo "MAKE=$make" >> config.mak
1837
echo "CC=$cc" >> config.mak
1838
echo "AR=$ar" >> config.mak
1839
echo "RANLIB=$ranlib" >> config.mak
1840
if enabled dostrip; then
1841
    echo "STRIP=$strip" >> config.mak
1842
else
1843
    echo "STRIP=echo ignoring strip" >> config.mak
1844
fi
1845

    
1846
echo "OPTFLAGS=$CFLAGS" >> config.mak
1847
echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1848
echo "LDFLAGS=$LDFLAGS" >> config.mak
1849
echo "LDCONFIG=$LDCONFIG" >> config.mak
1850
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1851
echo "SHFLAGS=$SHFLAGS" >> config.mak
1852
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1853
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1854
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1855
echo "BUILD_STATIC=$static" >> config.mak
1856
echo "BUILDSUF=$BUILDSUF" >> config.mak
1857
echo "LIBPREF=$LIBPREF" >> config.mak
1858
echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1859
if enabled static; then
1860
  echo "LIB=$LIB" >> config.mak
1861
else # Some Make complain if this variable does not exist.
1862
  echo "LIB=" >> config.mak
1863
fi
1864
echo "SLIBPREF=$SLIBPREF" >> config.mak
1865
echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1866
echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1867

    
1868
ucarch=`toupper $arch`
1869
echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1870
echo "#define ARCH_${ucarch} 1" >> $TMPH
1871

    
1872
# special cases
1873
case "$arch" in
1874
    x86_32|x86_64)
1875
        echo "TARGET_ARCH_X86=yes" >> config.mak
1876
        echo "#define ARCH_X86 1" >> $TMPH
1877
        ;;
1878
    powerpc)
1879
        if test "$POWERPCMODE" = "64bits"; then
1880
            echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1881
        fi
1882
        ;;
1883
    sparc64)
1884
        echo "TARGET_ARCH_SPARC=yes" >> config.mak
1885
        echo "#define ARCH_SPARC 1" >> $TMPH
1886
        ;;
1887
esac
1888

    
1889
if enabled bigendian; then
1890
  echo "WORDS_BIGENDIAN=yes" >> config.mak
1891
  echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1892
fi
1893
if enabled mmx; then
1894
  echo "#define __CPU__ 586" >> $TMPH
1895
fi
1896

    
1897
if enabled sdl; then
1898
  echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1899
  echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1900
fi
1901
if enabled texi2html; then
1902
  echo "BUILD_DOC=yes" >> config.mak
1903
fi
1904

    
1905
sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1906
pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1907
lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1908
lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1909
lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1910

    
1911

    
1912

    
1913
if enabled shared; then
1914
  echo "BUILD_SHARED=yes" >> config.mak
1915
  echo "PIC=-fPIC -DPIC" >> config.mak
1916
  echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1917
  echo "SPPVERSION=$pp_version" >> config.mak
1918
  echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1919
  echo "LAVCVERSION=$lavc_version" >> config.mak
1920
  echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1921
  echo "LAVFVERSION=$lavf_version" >> config.mak
1922
  echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1923
  echo "LAVUVERSION=$lavu_version" >> config.mak
1924
  echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1925
  echo "SWSVERSION=$sws_version" >> config.mak
1926
  echo "SLIBNAME=${SLIBNAME}" >> config.mak
1927
  echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1928
  echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1929
  echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1930
  echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1931
fi
1932
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1933
echo "EXTRALIBS=$extralibs" >> config.mak
1934

    
1935
print_config HAVE_   $TMPH config.mak $HAVE_LIST
1936
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1937
print_config TARGET_ $TMPH config.mak $TARGET_LIST
1938

    
1939
if test "$targetos" = "Darwin"; then
1940
  echo "#define CONFIG_DARWIN 1"  >> $TMPH
1941
fi
1942

    
1943
echo "#define restrict $_restrict" >> $TMPH
1944

    
1945
if test "$optimize" = "small"; then
1946
  echo "#define always_inline"  >> $TMPH
1947
  echo "#define CONFIG_SMALL 1" >> $TMPH
1948
fi
1949

    
1950
echo "SRC_PATH=\"$source_path\"" >> config.mak
1951
echo "SRC_PATH_BARE=$source_path" >> config.mak
1952
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1953

    
1954
if enabled amr_if2; then
1955
  echo "AMR_CFLAGS=-DIF2=1" >> config.mak
1956
fi
1957

    
1958
# Apparently it's not possible to portably echo a backslash.
1959
if enabled asmalign_pot; then
1960
  printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1961
else
1962
  printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1963
fi
1964

    
1965

    
1966
for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
1967
    ucname="`toupper $codec`"
1968
    config_name="CONFIG_$ucname"
1969
    enabled_name="ENABLE_$ucname"
1970
    if enabled $codec; then
1971
        echo "#define $config_name 1" >> $TMPH
1972
        echo "#define $enabled_name 1" >> $TMPH
1973
        echo "$config_name=yes" >> config.mak
1974
    else
1975
        echo "#define $enabled_name 0" >> $TMPH
1976
    fi
1977
done
1978

    
1979
# Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1980
if ! cmp -s $TMPH config.h; then
1981
        mv -f $TMPH config.h
1982
else
1983
        echo "config.h is unchanged"
1984
fi
1985

    
1986
rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1987

    
1988
# build tree in object directory if source path is different from current one
1989
if enabled source_path_used; then
1990
    DIRS="\
1991
         doc \
1992
         libavformat \
1993
         libavcodec \
1994
         libavcodec/alpha \
1995
         libavcodec/armv4l \
1996
         libavcodec/bfin \
1997
         libavcodec/i386 \
1998
         libavcodec/sparc \
1999
         libavcodec/mlib \
2000
         libavcodec/ppc \
2001
         libavcodec/amr \
2002
         libavcodec/amr_float \
2003
         libavcodec/amrwb_float \
2004
         libpostproc \
2005
         libavutil \
2006
         libswscale \
2007
         tests \
2008
         vhook \
2009
         "
2010
    FILES="\
2011
          Makefile \
2012
          common.mak \
2013
          libavformat/Makefile \
2014
          libavcodec/Makefile \
2015
          libpostproc/Makefile \
2016
          libavutil/Makefile \
2017
          libswscale/Makefile \
2018
          tests/Makefile \
2019
          vhook/Makefile \
2020
          doc/Makefile \
2021
          doc/texi2pod.pl \
2022
          "
2023
    for dir in $DIRS ; do
2024
            mkdir -p $dir
2025
    done
2026
    for f in $FILES ; do
2027
        ln -sf "$source_path/$f" $f
2028
    done
2029
fi
2030

    
2031

    
2032
# build pkg-config files
2033
# FIXME: libdir and includedir are hardcoded and may differ from the real path.
2034

    
2035
pkgconfig_generate(){
2036
name=$1
2037
comment=$2
2038
version=$3
2039
libs=$4
2040
requires=$5
2041
include=$6
2042
cat <<EOF >$name.pc
2043
prefix=$PREFIX
2044
exec_prefix=\${prefix}
2045
libdir=\${exec_prefix}/lib
2046
includedir=\${prefix}/include
2047

    
2048
Name: $name
2049
Description: $comment
2050
Version: $version
2051
Requires: $requires
2052
Conflicts:
2053
Libs: -L\${libdir} $libs
2054
Cflags: -I\${includedir} -I\${includedir}/$include
2055
EOF
2056
}
2057

    
2058
pkgconfig_generate_uninstalled(){
2059
name=$1
2060
shortname=${name#lib}
2061
comment=$2
2062
version=$3
2063
libs=$4
2064
requires=$5
2065
cat <<EOF >$name-uninstalled.pc
2066
prefix=
2067
exec_prefix=
2068
libdir=\${pcfiledir}/$name
2069
includedir=\${pcfiledir}/$name
2070

    
2071
Name: $name
2072
Description: $comment
2073
Version: $version
2074
Requires: $requires
2075
Conflicts:
2076
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2077
Cflags: -I\${includedir}
2078
EOF
2079
}
2080

    
2081
pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2082
pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2083

    
2084
pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2085
pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2086

    
2087
pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2088
pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2089

    
2090
if enabled pp; then
2091
  pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2092
  pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2093
fi
2094

    
2095
if enabled swscaler; then
2096
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2097
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2098
else
2099
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2100
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2101
  apply libswscale.pc sed s/^Libs:.*$/Libs:/
2102
  apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2103
fi