Commit 0f3cb305 authored by Fabrice Bellard's avatar Fabrice Bellard
Browse files

added bigendian support - added cross compilation support - added generation...

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
parent dd9ca370
#!/bin/sh
TMPC="ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
TMPO="ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
TMPS="ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
TMPH="ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
#
# ffmpeg configure script (c) 2000, 2001, 2002 Gerard Lantau
#
# set temporary file name
if test ! -z "$TMPDIR" ; then
TMPC="${TMPDIR}/${TMPC}"
TMPCPP="${TMPDIR}/${TMPCPP}"
TMPO="${TMPDIR}/${TMPO}"
TMPS="${TMPDIR}/${TMPS}"
TMPH="${TMPDIR}/${TMPH}"
TMPDIR1="${TMPDIR}"
elif test ! -z "$TEMPDIR" ; then
TMPC="${TEMPDIR}/${TMPC}"
TMPCPP="${TEMPDIR}/${TMPCPP}"
TMPO="${TEMPDIR}/${TMPO}"
TMPS="${TEMPDIR}/${TMPS}"
TMPH="${TEMPDIR}/${TMPH}"
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}-$$-${RANDOM}.S"
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
# default parameters
prefix="/usr/local"
cross_prefix=""
cc="gcc"
ar="ar"
strip="strip"
cpu=`uname -m`
mmx="default"
case "$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"
......@@ -55,6 +46,7 @@ win32="no"
lshared="no"
extralibs="-lm"
simpleidct="yes"
bigendian="no"
# OS specific
targetos=`uname -s`
......@@ -75,34 +67,33 @@ fi ;;
*) ;;
esac
if test "$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 [$gprof]"
echo " --disable-grab disable audio/video grabbing code"
echo " --disable-simple_idct disable simple IDCT routines [default=no]"
echo " --enable-mp3lame enable mp3 encoding via libmp3lame [default=no]"
echo " --enable-win32 enable win32 cross compile"
echo " --enable-a52bin open liba52.so.0 at runtime [default=no]"
echo " --enable-shared build shared libraries [default=no]"
exit 1
# find source path
# XXX: we assume an absolute path is given when launching configure,
# except in './configure' case.
source_path=${0%configure}
source_path=${source_path%/}
source_path_used="yes"
if test -z "$source_path" -o "$source_path" = "." ; then
source_path=`pwd`
source_path_used="no"
fi
for opt do
case "$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 $opt | cut -d '=' -f 2`
;;
--extra-cflags=*) CFLAGS="${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"
......@@ -124,6 +115,15 @@ for opt do
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"
......@@ -131,11 +131,18 @@ fi
if test "$win32" = "yes" ; then
cross_prefix="i386-mingw32msvc-"
cc="${cross_prefix}gcc"
ar="${cross_prefix}ar"
grab="no"
fi
# endianness : guess with cpu type. Should also use prefix
if test "$cpu" = "powerpc"; then
bigendian="yes"
fi
cc="${cross_prefix}${cc}"
ar="${cross_prefix}${ar}"
strip="${cross_prefix}${strip}"
# ---
# check availability of some header files
......@@ -161,9 +168,43 @@ EOF
$cc -o $TMPO $TMPC 2> /dev/null || _memalign=no
fi
if test "$1" = "-h" -o "$1" = "--help" ; then
cat << EOF
Usage: configure [options]
Options: [defaults in brackets after descriptions]
EOF
echo "Standard options:"
echo " --help print this message"
echo " --prefix=PREFIX install in PREFIX [$prefix]"
echo " --disable-grab disable audio/video grabbing code"
echo " --disable-simple_idct disable simple IDCT routines [default=no]"
echo " --enable-mp3lame enable mp3 encoding via libmp3lame [default=no]"
echo " --enable-win32 enable win32 cross compile"
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 [$cc]"
echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
echo " --cpu=CPU force cpu to CPU [$cpu]"
echo " --disable-mmx disable mmx usage"
echo " --enable-gprof enable profiling with gprof [$gprof]"
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 "CPU $cpu"
echo "Big Endian $bigendian"
echo "MMX enabled $mmx"
echo "gprof enabled $gprof"
echo "grab enabled $grab"
......@@ -179,18 +220,25 @@ echo "prefix=$prefix" >> 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
echo "LDFLAGS=$LDFLAGS" >> config.mak
if test "$cpu" = "x86" ; then
echo "TARGET_ARCH_X86=yes" >> config.mak
echo "#define ARCH_X86 1" >> $TMPH
fi
if test "$cpu" = "armv4l" ; then
elif test "$cpu" = "armv4l" ; then
echo "TARGET_ARCH_ARMV4L=yes" >> config.mak
echo "#define ARCH_ARMV4L 1" >> $TMPH
fi
if test "$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" >> $TMPH
fi
if test "$mmx" = "yes" ; then
echo "TARGET_MMX=yes" >> config.mak
......@@ -207,7 +255,7 @@ else
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" >> $TMPH
......@@ -260,6 +308,20 @@ if test "$simpleidct" = "yes" ; then
echo "#define SIMPLE_IDCT 1" >> $TMPH
fi
# build tree in object directory if source path is different from current one
if test "$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
......
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