mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-18 05:24:42 +00:00
added bigendian support - added cross compilation support - added generation of objects in another directory for simultaneous compilations (needs testing) - simplified redundant code
Originally committed as revision 530 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard
parent
dd9ca370a1
commit
0f3cb305fe
166
configure
vendored
166
configure
vendored
@ -1,50 +1,41 @@
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#!/bin/sh
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TMPC="ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
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TMPO="ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
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TMPS="ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
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TMPH="ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
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#
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# ffmpeg configure script (c) 2000, 2001, 2002 Gerard Lantau
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#
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# set temporary file name
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if test ! -z "$TMPDIR" ; then
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TMPC="${TMPDIR}/${TMPC}"
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TMPCPP="${TMPDIR}/${TMPCPP}"
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TMPO="${TMPDIR}/${TMPO}"
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TMPS="${TMPDIR}/${TMPS}"
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TMPH="${TMPDIR}/${TMPH}"
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TMPDIR1="${TMPDIR}"
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elif test ! -z "$TEMPDIR" ; then
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TMPC="${TEMPDIR}/${TMPC}"
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TMPCPP="${TEMPDIR}/${TMPCPP}"
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TMPO="${TEMPDIR}/${TMPO}"
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TMPS="${TEMPDIR}/${TMPS}"
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TMPH="${TEMPDIR}/${TMPH}"
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TMPDIR1="${TEMPDIR}"
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else
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TMPC="/tmp/${TMPC}"
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TMPCPP="/tmp/${TMPCPP}"
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TMPO="/tmp/${TMPO}"
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TMPS="/tmp/${TMPS}"
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TMPH="/tmp/${TMPH}"
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TMPDIR1="/tmp"
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fi
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TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
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TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
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TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
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TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
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# default parameters
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prefix="/usr/local"
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cross_prefix=""
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cc="gcc"
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ar="ar"
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strip="strip"
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cpu=`uname -m`
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mmx="default"
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case "$cpu" in
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i386|i486|i586|i686|i86pc|BePC)
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cpu="x86"
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mmx="yes"
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;;
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armv4l)
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cpu="armv4l"
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mmx="no"
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;;
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alpha)
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cpu="alpha"
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mmx="no"
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;;
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*)
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mmx="no"
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cpu="unknown"
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;;
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esac
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gprof="no"
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@ -55,6 +46,7 @@ win32="no"
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lshared="no"
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extralibs="-lm"
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simpleidct="yes"
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bigendian="no"
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# OS specific
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targetos=`uname -s`
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@ -75,34 +67,33 @@ fi ;;
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*) ;;
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esac
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if test "$1" = "-h" -o "$1" = "--help" ; then
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cat << EOF
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Usage: configure [options]
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Options: [defaults in brackets after descriptions]
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--help print this message
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EOF
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echo " --prefix=PREFIX install in PREFIX [$prefix]"
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echo " --cc=CC use C compiler CC [$cc]"
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echo " --cpu=CPU force cpu to CPU [$cpu]"
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echo " --disable-mmx disable mmx usage"
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echo " --enable-gprof enable profiling with gprof [$gprof]"
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echo " --disable-grab disable audio/video grabbing code"
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echo " --disable-simple_idct disable simple IDCT routines [default=no]"
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echo " --enable-mp3lame enable mp3 encoding via libmp3lame [default=no]"
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echo " --enable-win32 enable win32 cross compile"
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echo " --enable-a52bin open liba52.so.0 at runtime [default=no]"
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echo " --enable-shared build shared libraries [default=no]"
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exit 1
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# find source path
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# XXX: we assume an absolute path is given when launching configure,
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# except in './configure' case.
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source_path=${0%configure}
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source_path=${source_path%/}
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source_path_used="yes"
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if test -z "$source_path" -o "$source_path" = "." ; then
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source_path=`pwd`
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source_path_used="no"
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fi
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for opt do
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case "$opt" in
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--prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
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;;
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--source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
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;;
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--cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
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;;
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--cc=*) cc=`echo $opt | cut -d '=' -f 2`
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;;
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--extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
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;;
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--extra-ldflags=*) LDFLAGS=${opt#--extra-ldflags=}
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;;
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--extra-libs=*) extralibs=${opt#--extra-libs=}
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;;
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--cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
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;;
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--disable-mmx) mmx="no"
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@ -124,6 +115,15 @@ for opt do
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esac
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done
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# compute mmx state
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if test $mmx = "default"; then
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if test $cpu = "x86"; then
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mmx="yes"
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else
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mmx="no"
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fi
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fi
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# Checking for CFLAGS
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if test -z "$CFLAGS"; then
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CFLAGS="-O2"
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@ -131,11 +131,18 @@ fi
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if test "$win32" = "yes" ; then
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cross_prefix="i386-mingw32msvc-"
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cc="${cross_prefix}gcc"
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ar="${cross_prefix}ar"
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grab="no"
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fi
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# endianness : guess with cpu type. Should also use prefix
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if test "$cpu" = "powerpc"; then
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bigendian="yes"
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fi
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cc="${cross_prefix}${cc}"
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ar="${cross_prefix}${ar}"
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strip="${cross_prefix}${strip}"
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# ---
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# check availability of some header files
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@ -161,9 +168,43 @@ EOF
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$cc -o $TMPO $TMPC 2> /dev/null || _memalign=no
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fi
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if test "$1" = "-h" -o "$1" = "--help" ; then
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cat << EOF
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Usage: configure [options]
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Options: [defaults in brackets after descriptions]
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EOF
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echo "Standard options:"
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echo " --help print this message"
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echo " --prefix=PREFIX install in PREFIX [$prefix]"
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echo " --disable-grab disable audio/video grabbing code"
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echo " --disable-simple_idct disable simple IDCT routines [default=no]"
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echo " --enable-mp3lame enable mp3 encoding via libmp3lame [default=no]"
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echo " --enable-win32 enable win32 cross compile"
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echo " --enable-a52bin open liba52.so.0 at runtime [default=no]"
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echo " --enable-shared build shared libraries [default=no]"
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echo ""
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echo "Advanced options (experts only):"
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echo " --source-path=PATH path of source code [$source_path]"
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echo " --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]"
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echo " --cc=CC use C compiler CC [$cc]"
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echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$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]"
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echo " --cpu=CPU force cpu to CPU [$cpu]"
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echo " --disable-mmx disable mmx usage"
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echo " --enable-gprof enable profiling with gprof [$gprof]"
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echo ""
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echo "NOTE: The object files are build at the place where configure is launched"
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exit 1
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fi
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echo "Install prefix $prefix"
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echo "Source path $source_path"
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echo "C compiler $cc"
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echo "CPU $cpu"
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echo "Big Endian $bigendian"
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echo "MMX enabled $mmx"
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echo "gprof enabled $gprof"
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echo "grab enabled $grab"
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@ -179,18 +220,25 @@ echo "prefix=$prefix" >> config.mak
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echo "MAKE=make" >> config.mak
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echo "CC=$cc" >> config.mak
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echo "AR=$ar" >> config.mak
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echo "STRIP=$strip" >> config.mak
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echo "OPTFLAGS=$CFLAGS" >> config.mak
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echo "LDFLAGS=$LDFLAGS" >> config.mak
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if test "$cpu" = "x86" ; then
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echo "TARGET_ARCH_X86=yes" >> config.mak
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echo "#define ARCH_X86 1" >> $TMPH
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fi
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if test "$cpu" = "armv4l" ; then
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elif test "$cpu" = "armv4l" ; then
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echo "TARGET_ARCH_ARMV4L=yes" >> config.mak
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echo "#define ARCH_ARMV4L 1" >> $TMPH
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fi
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if test "$cpu" = "alpha" ; then
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elif test "$cpu" = "alpha" ; then
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echo "TARGET_ARCH_ALPHA=yes" >> config.mak
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echo "#define ARCH_ALPHA 1" >> $TMPH
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elif test "$cpu" = "powerpc" ; then
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echo "TARGET_ARCH_POWERPC=yes" >> config.mak
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echo "#define ARCH_POWERPC 1" >> $TMPH
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fi
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if test "$bigendian" = "yes" ; then
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echo "WORDS_BIGENDIAN=yes" >> config.mak
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echo "#define WORDS_BIGENDIAN 1" >> $TMPH
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fi
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if test "$mmx" = "yes" ; then
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echo "TARGET_MMX=yes" >> config.mak
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@ -207,7 +255,7 @@ else
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fi
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echo "EXTRALIBS=$extralibs" >> config.mak
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echo -n "VERSION=" >>config.mak
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head VERSION >>config.mak
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head $source_path/VERSION >>config.mak
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echo "" >>config.mak
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# if you do not want to use encoders, disable that.
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echo "#define CONFIG_ENCODERS 1" >> $TMPH
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@ -260,6 +308,20 @@ if test "$simpleidct" = "yes" ; then
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echo "#define SIMPLE_IDCT 1" >> $TMPH
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fi
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# build tree in object directory if source path is different from current one
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if test "$source_path_used" = "yes" ; then
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DIRS="libav libavcodec libavcodec/alpha libavcodec/armv4l libavcodec/i386 \
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libavcodec/liba52 libavcodec/mlib tests"
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FILES="Makefile libav/Makefile libavcodec/Makefile tests/Makefile"
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for dir in $DIRS ; do
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mkdir -p $dir
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done
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for f in $FILES ; do
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ln -sf $source_path/$f $f
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done
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fi
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echo "SRC_PATH=$source_path" >> config.mak
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diff $TMPH config.h >/dev/null 2>&1
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if test $? -ne 0 ; then
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mv -f $TMPH config.h
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