From 0f3cb305fedf66f06808a3abcd5848f895849b1a Mon Sep 17 00:00:00 2001 From: Fabrice Bellard Date: Sat, 18 May 2002 23:13:26 +0000 Subject: [PATCH] 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 --- configure | 166 +++++++++++++++++++++++++++++++++++++----------------- 1 file changed, 114 insertions(+), 52 deletions(-) diff --git a/configure b/configure index 96f98aaa0b..d7069909bf 100755 --- a/configure +++ b/configure @@ -1,50 +1,41 @@ #!/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 -- GitLab