-O3
[ffmpeg.git] / configure
index 59271f5..7b4750c 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,57 +1,57 @@
 #!/bin/sh
-
-TMPC="ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
-TMPO="ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
-TMPS="ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
-TMPH="ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
-
-if [ ! -z "$TMPDIR" ]; then
-       TMPC="${TMPDIR}/${TMPC}"
-       TMPCPP="${TMPDIR}/${TMPCPP}"
-       TMPO="${TMPDIR}/${TMPO}"
-       TMPS="${TMPDIR}/${TMPS}"
-       TMPH="${TMPDIR}/${TMPH}"
-elif [ ! -z "$TEMPDIR" ]; then
-       TMPC="${TEMPDIR}/${TMPC}"
-       TMPCPP="${TEMPDIR}/${TMPCPP}"
-       TMPO="${TEMPDIR}/${TMPO}"
-       TMPS="${TEMPDIR}/${TMPS}"
-       TMPH="${TEMPDIR}/${TMPH}"
+#
+# ffmpeg configure script (c) 2000, 2001, 2002 Fabrice Bellard
+#
+# set temporary file name
+if test ! -z "$TMPDIR" ; then
+    TMPDIR1="${TMPDIR}"
+elif test ! -z "$TEMPDIR" ; then
+    TMPDIR1="${TEMPDIR}"
 else
-       TMPC="/tmp/${TMPC}"
-       TMPCPP="/tmp/${TMPCPP}"
-       TMPO="/tmp/${TMPO}"
-       TMPS="/tmp/${TMPS}"
-       TMPH="/tmp/${TMPH}"
+    TMPDIR1="/tmp"
 fi
 
+TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
+TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
+TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
+TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
+
 # default parameters
 prefix="/usr/local"
+cross_prefix=""
 cc="gcc"
 ar="ar"
+make="make"
+strip="strip"
 cpu=`uname -m`
+mmx="default"
 case "$cpu" in
   i386|i486|i586|i686|i86pc|BePC)
     cpu="x86"
-    mmx="yes"
   ;;
   armv4l)
     cpu="armv4l"
-    mmx="no"
   ;;
   alpha)
     cpu="alpha"
-    mmx="no"
   ;;
   *)
-    mmx="no"
+    cpu="unknown"
   ;;
 esac
 gprof="no"
-grab="yes"
+v4l="yes"
+audio_oss="yes"
+network="yes"
 mp3lame="no"
+a52="yes"
+a52bin="no"
 win32="no"
+lshared="no"
 extralibs="-lm"
+simpleidct="yes"
+bigendian="no"
+mpegaudio_hp="yes"
 
 # OS specific
 targetos=`uname -s`
@@ -59,8 +59,8 @@ case $targetos in
 BeOS)
 prefix="/boot/home/config"
 # helps building libavcodec
-grab="no"
-CFLAGS="-O2 -DPIC"
+CFLAGS="-O3 -DPIC"
+v4l="no"
 # no need for libm, but the inet stuff
 # Check for BONE
 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
@@ -69,68 +69,103 @@ else
 echo "Not sure building for net_server will succeed... good luck."
 extralibs="-lsocket"
 fi ;;
+BSD/OS)
+v4l="no"
+audio_oss="yes"
+extralibs="-lpoll -lgnugetopt -lm"
+make="gmake"
+;;
 *) ;;
 esac
 
-if [ "$1" = "-h" -o "$1" = "--help" ] ; then
-cat << EOF
-
-Usage: configure [options]
-Options: [defaults in brackets after descriptions]
-
-  --help                  print this message
-EOF
-echo "  --prefix=PREFIX         install in PREFIX [$prefix]"
-echo "  --cc=CC                 use C compiler CC [$cc]"
-echo "  --cpu=CPU               force cpu to CPU  [$cpu]"
-echo "  --disable-mmx           disable mmx usage"
-echo "  --enable-gprof          enable profiling with gprof [$gprof]"
-echo "  --disable-grab          disable audio/video grabbing code"
-echo "  --enable-simple_idct   use simple IDCT routines"
-echo "  --enable-mp3lame        enable mp3 encoding via libmp3lame"
-echo "  --enable-win32          enable win32 cross compile"
-echo "  --enable-shared         build shared libraries [default=no]"
-exit 1
+# find source path
+# XXX: we assume an absolute path is given when launching configure, 
+# except in './configure' case.
+source_path=${0%configure}
+source_path=${source_path%/}
+source_path_used="yes"
+if test -z "$source_path" -o "$source_path" = "." ; then
+    source_path=`pwd`
+    source_path_used="no"
 fi
 
-lshared=no
 for opt do
   case "$opt" in
   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
   ;;
+  --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
+  ;;
+  --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
+  ;;
   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
   ;;
+  --make=*) make=`echo $opt | cut -d '=' -f 2`
+  ;;
+  --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
+  ;;
+  --extra-ldflags=*) LDFLAGS=${opt#--extra-ldflags=}
+  ;;
+  --extra-libs=*) extralibs=${opt#--extra-libs=}
+  ;;
   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
   ;;
   --disable-mmx) mmx="no"
   ;;
   --enable-gprof) gprof="yes"
   ;;
-  --disable-grab) grab="no"
+  --disable-v4l) v4l="no"
+  ;;
+  --disable-audio-oss) audio_oss="no"
+  ;;
+  --disable-network) network="no"
+  ;;
+  --disable-a52) a52="no"
+  ;;
+  --enable-a52bin) a52bin="yes" ; extralibs="-ldl $extralibs"
   ;;
   --enable-mp3lame) mp3lame="yes"
   ;;
-  --enable-simple_idct) simpleidct="yes"
+  --disable-simple_idct) simpleidct="no"
   ;;
   --enable-win32) win32="yes"
   ;;
-  --enable-shared=*) lshared=`echo $opt | cut -d '=' -f 2`
+  --enable-shared) lshared="yes"
+  ;;
+  --disable-mpegaudio-hp) mpegaudio_hp="no"
   ;;
   esac
 done
 
+# compute mmx state
+if test $mmx = "default"; then
+    if test $cpu = "x86"; then
+        mmx="yes"
+    else
+        mmx="no"
+    fi
+fi
+
 # Checking for CFLAGS
 if test -z "$CFLAGS"; then
-    CFLAGS="-O2"
+    CFLAGS="-O3"
 fi
 
-if [ "$win32" = "yes" ] ; then
+if test "$win32" = "yes" ; then
     cross_prefix="i386-mingw32msvc-"
-    cc="${cross_prefix}gcc"
-    ar="${cross_prefix}ar"
-    grab="no"
+    v4l="no"
+    audio_oss="no"
+    network="no"
+fi
+
+# endianness : guess with cpu type. Should also use prefix
+if test "$cpu" = "powerpc"; then
+    bigendian="yes"
 fi
 
+cc="${cross_prefix}${cc}"
+ar="${cross_prefix}${ar}"
+strip="${cross_prefix}${strip}"
+
 # ---
 # check availability of some header files
 
@@ -156,13 +191,64 @@ EOF
 $cc -o $TMPO $TMPC 2> /dev/null || _memalign=no
 fi
 
+_restrict=
+for restrict_keyword in restrict __restrict__ __restrict; do
+  echo "void foo(char * $restrict_keyword p);" > $TMPC
+  if $cc -c -o $TMPO $TMPC 2> /dev/null; then
+    _restrict=$restrict_keyword
+    break;
+  fi
+done
+
+if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
+cat << EOF
+
+Usage: configure [options]
+Options: [defaults in brackets after descriptions]
+
+EOF
+echo "Standard options:"
+echo "  --help                   print this message"
+echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
+echo "  --enable-mp3lame         enable mp3 encoding via libmp3lame [default=no]"
+echo "  --enable-win32           enable win32 cross compile"
+echo "  --disable-a52            disable GPL'ed A52 support [default=no]"
+echo "  --enable-a52bin          open liba52.so.0 at runtime [default=no]"
+echo "  --enable-shared          build shared libraries [default=no]"
+echo ""
+echo "Advanced options (experts only):"
+echo "  --source-path=PATH       path of source code [$source_path]"
+echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
+echo "  --cc=CC                  use C compiler CC [$cc]"
+echo "  --make=MAKE              use specified make [$make]"
+echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
+echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
+echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
+echo "  --cpu=CPU                force cpu to CPU  [$cpu]"
+echo "  --disable-mmx            disable mmx usage"
+echo "  --disable-audio-oss      disable OSS audio support [default=no]"
+echo "  --disable-v4l            disable video4linux grabbing [default=no]"
+echo "  --disable-network        disable network support [default=no]"
+echo "  --disable-simple_idct    disable simple IDCT routines [default=no]"
+echo "  --enable-gprof           enable profiling with gprof [$gprof]"
+echo "  --disable-mpegaudio-hp   faster (but less accurate)"
+echo "                           mpegaudio decoding [default=no]"
+echo ""
+echo "NOTE: The object files are build at the place where configure is launched"
+exit 1
+fi
+
 echo "Install prefix   $prefix"
+echo "Source path      $source_path"
 echo "C compiler       $cc"
+echo "make             $make"
 echo "CPU              $cpu"
+echo "Big Endian       $bigendian"
 echo "MMX enabled      $mmx"
 echo "gprof enabled    $gprof"
-echo "grab enabled     $grab"
 echo "mp3lame enabled  $mp3lame"
+echo "a52 support      $a52"
+echo "a52 dlopened     $a52bin"
 
 echo "Creating config.mak and config.h"
 
@@ -170,38 +256,44 @@ echo "# Automatically generated by configure - do not modify" > config.mak
 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 
 echo "prefix=$prefix" >> config.mak
-echo "MAKE=make" >> config.mak
+echo "MAKE=$make" >> config.mak
 echo "CC=$cc" >> config.mak
 echo "AR=$ar" >> config.mak
+echo "STRIP=$strip" >> config.mak
 echo "OPTFLAGS=$CFLAGS" >> config.mak
-if [ "$cpu" = "x86" ] ; then
+echo "LDFLAGS=$LDFLAGS" >> config.mak
+if test "$cpu" = "x86" ; then
   echo "TARGET_ARCH_X86=yes" >> config.mak
   echo "#define ARCH_X86 1" >> $TMPH
-fi
-if [ "$cpu" = "armv4l" ]; then
+elif test "$cpu" = "armv4l" ; then
   echo "TARGET_ARCH_ARMV4L=yes" >> config.mak
   echo "#define ARCH_ARMV4L 1" >> $TMPH
-fi
-if [ "$cpu" = "alpha" ]; then
+elif test "$cpu" = "alpha" ; then
   echo "TARGET_ARCH_ALPHA=yes" >> config.mak
   echo "#define ARCH_ALPHA 1" >> $TMPH
+elif test "$cpu" = "powerpc" ; then
+  echo "TARGET_ARCH_POWERPC=yes" >> config.mak
+  echo "#define ARCH_POWERPC 1" >> $TMPH
+fi
+if test "$bigendian" = "yes" ; then
+  echo "WORDS_BIGENDIAN=yes" >> config.mak
+  echo "#define WORDS_BIGENDIAN 1" >> $TMPH
 fi
-if [ "$mmx" = "yes" ] ; then
+if test "$mmx" = "yes" ; then
   echo "TARGET_MMX=yes" >> config.mak
   echo "#define HAVE_MMX 1" >> $TMPH
 fi
-if [ "$gprof" = "yes" ] ; then
+if test "$gprof" = "yes" ; then
   echo "TARGET_GPROF=yes" >> config.mak
   echo "#define HAVE_GPROF 1" >> $TMPH
 fi
-if [ "$lshared" = "yes" ] ; then
+if test "$lshared" = "yes" ; then
   echo "BUILD_SHARED=yes" >> config.mak
-else
-  echo "BUILD_SHARED=no" >> config.mak
+  echo "PIC=-fPIC" >> config.mak
 fi
 echo "EXTRALIBS=$extralibs" >> config.mak
 echo -n "VERSION=" >>config.mak
-head VERSION >>config.mak
+head $source_path/VERSION >>config.mak
 echo "" >>config.mak
 # if you do not want to use encoders, disable that.
 echo "#define CONFIG_ENCODERS 1" >> $TMPH
@@ -211,43 +303,80 @@ echo "CONFIG_ENCODERS=yes" >> config.mak
 echo "#define CONFIG_DECODERS 1" >> $TMPH
 echo "CONFIG_DECODERS=yes" >> config.mak
 
-# special AC3 stuff in case you already have it
-# without libavcodec.
-echo "#define CONFIG_AC3 1" >> $TMPH
-echo "CONFIG_AC3=yes" >> config.mak
+# AC3
+if test "$a52" = "yes" ; then
+  echo "#define CONFIG_AC3 1" >> $TMPH
+  echo "CONFIG_AC3=yes" >> config.mak
+
+  if test "$a52bin" = "yes" ; then
+    echo "#define CONFIG_A52BIN 1" >> $TMPH
+    echo "CONFIG_A52BIN=yes" >> config.mak
+  fi
+fi
+
+# mpeg audio high precision mode
+if test "$mpegaudio_hp" = "yes" ; then
+  echo "#define CONFIG_MPEGAUDIO_HP 1" >> $TMPH
+fi
+
+if test "$v4l" = "yes" ; then
+  echo "#define CONFIG_VIDEO4LINUX 1" >> $TMPH
+  echo "CONFIG_VIDEO4LINUX=yes" >> config.mak
+fi
+
+if test "$audio_oss" = "yes" ; then
+  echo "#define CONFIG_AUDIO_OSS 1" >> $TMPH
+  echo "CONFIG_AUDIO_OSS=yes" >> config.mak
+fi
 
-if [ "$grab" = "yes" ] ; then
-  echo "#define CONFIG_GRAB 1" >> $TMPH
-  echo "CONFIG_GRAB=yes" >> config.mak
+if test "$network" = "yes" ; then
+  echo "#define CONFIG_NETWORK 1" >> $TMPH
+  echo "CONFIG_NETWORK=yes" >> config.mak
 fi
 
-if [ "$mp3lame" = "yes" ] ; then
+if test "$mp3lame" = "yes" ; then
   echo "#define CONFIG_MP3LAME 1" >> $TMPH
   echo "CONFIG_MP3LAME=yes" >> config.mak
 fi
 
-if [ "$win32" = "yes" ] ; then
+if test "$win32" = "yes" ; then
   echo "#define CONFIG_WIN32 1" >> $TMPH
   echo "CONFIG_WIN32=yes" >> config.mak
 fi
 
-if [ "$_malloc_h" = "yes" ]; then
+if test "$_malloc_h" = "yes" ; then
   echo "#define HAVE_MALLOC_H 1" >> $TMPH
 else
   echo "#undef  HAVE_MALLOC_H" >> $TMPH
 fi
 
-if [ "$_memalign" = "yes" ]; then
+if test "$_memalign" = "yes" ; then
   echo "#define HAVE_MEMALIGN 1" >> $TMPH
 else
   echo "#undef  HAVE_MEMALIGN" >> $TMPH
 fi
 
-if [ "$simpleidct" = "yes" ]; then
+if test "$simpleidct" = "yes" ; then
   echo "#define SIMPLE_IDCT 1" >> $TMPH
 fi
 
-diff -q $TMPH config.h >/dev/null
+echo "#define restrict $_restrict" >> $TMPH
+
+# build tree in object directory if source path is different from current one
+if test "$source_path_used" = "yes" ; then
+    DIRS="libav libavcodec libavcodec/alpha libavcodec/armv4l libavcodec/i386 \
+          libavcodec/liba52 libavcodec/mlib tests"
+    FILES="Makefile libav/Makefile libavcodec/Makefile tests/Makefile"
+    for dir in $DIRS ; do
+            mkdir -p $dir
+    done
+    for f in $FILES ; do
+        ln -sf $source_path/$f $f
+    done
+fi
+echo "SRC_PATH=$source_path" >> config.mak
+
+diff $TMPH config.h >/dev/null 2>&1
 if test $? -ne 0 ; then
        mv -f $TMPH config.h
 else