mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
test availability of various compiler flags, and verify that requested
libraries are really installed Originally committed as revision 5486 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
2c8e201429
commit
57bd82d4e7
272
configure
vendored
272
configure
vendored
@ -9,6 +9,7 @@ show_help(){
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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 log tests and output to config.err"
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echo " --prefix=PREFIX install in PREFIX [$prefix]"
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echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
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echo " --incdir=DIR install includes in DIR [PREFIX/include/ffmpeg]"
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@ -96,8 +97,26 @@ show_help(){
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exit 1
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}
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log(){
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echo "$@" >>$logfile
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}
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die(){
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echo "$@"
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rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
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exit 1
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}
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enabled(){
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eval test "\$$1" = "yes"
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}
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flags_saved(){
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(: ${SAVE_CFLAGS?}) 2>/dev/null
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}
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save_flags(){
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(:${SAVE_CFLAGS?}) 2>/dev/null && return
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flags_saved && return
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SAVE_CFLAGS="$CFLAGS"
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SAVE_LDFLAGS="$LDFLAGS"
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SAVE_extralibs="$extralibs"
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@ -127,38 +146,74 @@ temp_extralibs(){
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extralibs="$extralibs $*"
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}
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append(){
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var=$1
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shift
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flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
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eval "$var=\"\$$var $*\""
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}
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add_cflags(){
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append CFLAGS "$@"
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}
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add_ldflags(){
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append LDFLAGS "$@"
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}
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add_extralibs(){
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append extralibs "$@"
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}
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check_cc(){
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log check_cc "$@"
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cat >$TMPC
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$cc $CFLAGS "$@" -c -o $TMPO $TMPC >/dev/null 2>&1
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log $cc $CFLAGS "$@" -c -o $TMPO $TMPC
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$cc $CFLAGS "$@" -c -o $TMPO $TMPC >>$logfile 2>&1
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}
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check_cpp(){
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log check_cpp "$@"
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cat >$TMPC
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log $cc $CFLAGS "$@" -E -o $TMPO $TMPC
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$cc $CFLAGS "$@" -E -o $TMPO $TMPC >>$logfile 2>&1
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}
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check_ld(){
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log check_ld "$@"
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cat >$TMPC
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$cc $CFLAGS $LDFLAGS "$@" -o $TMPE $TMPC $extralibs >/dev/null 2>&1
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log $cc $CFLAGS $LDFLAGS "$@" -o $TMPE $TMPC $extralibs
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$cc $CFLAGS $LDFLAGS "$@" -o $TMPE $TMPC $extralibs >>/dev/null 2>&1
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}
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check_cflags(){
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check_cc "$@" <<EOF && CFLAGS="$CFLAGS $*"
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log check_cflags "$@"
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check_cc "$@" <<EOF && add_cflags "$@"
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int x;
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EOF
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}
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check_ldflags(){
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check_ld "$@" <<EOF && LDFLAGS="$LDFLAGS $*"
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int x;
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log check_ldflags "$@"
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check_ld "$@" <<EOF && add_ldflags "$@"
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int main(){
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return 0;
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}
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EOF
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}
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check_header(){
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log check_header "$@"
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header=$1
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shift
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check_cc "$@" <<EOF
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check_cpp "$@" <<EOF
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#include <$header>
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int x;
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EOF
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}
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check_func(){
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log check_func "$@"
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func=$1
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shift
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check_ld "$@" <<EOF
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@ -169,8 +224,28 @@ int main(){
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EOF
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}
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check_lib(){
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log check_lib "$@"
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header="$1"
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func="$2"
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shift 2
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temp_extralibs "$@"
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check_header $header && check_func $func && add_extralibs "$@"
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err=$?
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restore_flags
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return $err
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}
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check_exec(){
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check_ld "$@" && (test -z "$cross_prefix" && $TMPE || true)
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check_ld "$@" && { test -n "$cross_prefix" || $TMPE; }
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}
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require(){
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name="$1"
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header="$2"
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func="$3"
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shift 3
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check_lib $header $func "$@" || die "ERROR: $name not found"
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}
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if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
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@ -193,6 +268,8 @@ TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
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TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
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# default parameters
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log="no"
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logfile="/dev/null"
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prefix="/usr/local"
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libdir=""
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incdir=""
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@ -467,7 +544,7 @@ cygwin="yes"
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EXESUF=".exe"
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;;
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Linux)
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FFLDFLAGS="$FFLDFLAGS -rdynamic -Wl,--as-needed -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil"
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FFLDFLAGS="$FFLDFLAGS -rdynamic"
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;;
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IRIX*)
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ranlib="echo ignoring ranlib"
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@ -544,6 +621,8 @@ CODEC_LIST=`grep 'register_avcodec(&[a-z]' $source_path/libavcodec/allcodecs.c
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for opt do
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case "$opt" in
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--log) log=yes
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;;
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--prefix=*) prefix=`echo $opt | cut -d '=' -f 2`; force_prefix=yes
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;;
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--libdir=*) libdir=`echo $opt | cut -d '=' -f 2`; force_libdir=yes
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@ -605,44 +684,33 @@ for opt do
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--enable-a52bin) a52bin="yes"
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;;
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--enable-dts) dts="yes"
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extralibs="$extralibs -ldts"
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;;
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--enable-pp) pp="yes"
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;;
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--enable-libgsm) libgsm="yes"
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extralibs="$extralibs -lgsm"
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;;
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--enable-mp3lame) mp3lame="yes"
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extralibs="$extralibs -lmp3lame"
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;;
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--enable-libogg) libogg="yes"
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extralibs="$extralibs -logg"
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pkg_requires="$pkg_requires ogg >= 1.1"
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;;
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--enable-vorbis) vorbis="yes"
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extralibs="$extralibs -lvorbis -lvorbisenc"
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pkg_requires="$pkg_requires vorbis vorbisenc"
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;;
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--enable-theora) theora="yes"
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extralibs="$extralibs -ltheora"
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pkg_requires="$pkg_requires theora"
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;;
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--enable-faad) faad="yes"
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extralibs="$extralibs -lfaad"
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;;
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--enable-faadbin) faadbin="yes"
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;;
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--enable-faac) faac="yes"
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extralibs="$extralibs -lfaac"
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;;
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--enable-xvid) xvid="yes"
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extralibs="$extralibs -lxvidcore"
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;;
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--enable-x264) x264="yes"
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extralibs="$extralibs -lx264"
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;;
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--enable-dc1394) dc1394="yes"
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extralibs="$extralibs -ldc1394_control -lraw1394"
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pkg_requires="$pkg_requires libraw1394"
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;;
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--disable-vhook) vhook="no"
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@ -719,6 +787,11 @@ for opt do
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esac
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done
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if enabled log; then
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logfile=config.err
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echo "# $0 $@" >$logfile
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set >>$logfile
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fi
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# Combine FFLDFLAGS and the LDFLAGS environment variable
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LDFLAGS="$FFLDFLAGS $LDFLAGS"
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@ -926,6 +999,8 @@ if test $tune != "generic"; then
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esac
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fi
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# check for SIMD availability
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# AltiVec flags: The FSF version of GCC differs from the Apple version
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if test $cpu = "powerpc"; then
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if test $altivec = "yes"; then
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@ -966,14 +1041,37 @@ if test $mmi = "default"; then
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fi
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# check if our compiler supports mmi
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if test $mmi = "yes"; then
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check_cc <<EOF || mmi="no"
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enabled mmi && check_cc <<EOF || mmi="no"
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int main(void) {
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__asm__ ("lq \$2, 0(\$2)");
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return 0;
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}
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EOF
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fi
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# test gcc version to see if vector builtins can be used
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# currently only used on i386 for MMX builtins
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check_cc -msse <<EOF && builtin_vector=yes || builtin_vector=no
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#include <xmmintrin.h>
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int main(void) {
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#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
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return 0;
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#else
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#error no vector builtins
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#endif
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}
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EOF
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# test for mm3dnow.h
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test "$cpu" = "x86_64" && march=k8 || march=athlon
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check_cc -march=$march <<EOF && mm3dnow=yes || mm3dnow=no
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#include <mm3dnow.h>
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int main(void) {
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__m64 b1;
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b1 = _m_pswapd(b1);
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_m_femms();
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return 0;
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}
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EOF
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if test "$mingw32" = "yes" -o "$mingwce" = "yes"; then
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if test "$lshared" = "yes" && test "$lstatic" = "yes" ; then
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@ -1003,22 +1101,16 @@ EOF
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if test "$force_libdir" != yes; then bindir="$prefix"; fi
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fi
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# ---
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# big/little-endian test
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if test -z "$cross_prefix" ; then
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# ---
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# big/little-endian test
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check_ld <<EOF
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check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
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#include <inttypes.h>
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int main(int argc, char ** argv){
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volatile uint32_t i=0x01234567;
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return (*((uint8_t*)(&i))) == 0x67;
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}
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EOF
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if test $? = 0 ; then
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$TMPE && bigendian="yes"
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else
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echo big/little test failed
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fi
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else
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# programs cannot be launched if cross compiling, so make a static guess
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if test "$cpu" = "powerpc" -o "$cpu" = "mips" ; then
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@ -1052,32 +1144,36 @@ if check_header malloc.h; then
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fi
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if test "$_memalign" = "no" -a "$mmx" = "yes" -a "$memalignhack" != "yes"; then
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echo "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
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exit 1
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die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
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fi
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check_func localtime_r && localtime_r=yes || localtime_r=no
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enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
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enabled lzo && enabled gpl && check_lib lzo1x.h lzo_version -llzo || lzo="no"
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if test "$zlib" = "yes"; then
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temp_extralibs -lz
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check_header zlib.h && check_func zlibVersion || zlib="no"
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# XXX: more tests needed - runtime test
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restore_flags
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fi
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if test "$zlib" = "yes"; then
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extralibs="$extralibs -lz"
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# check for some common methods of building with pthread support
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# do this before the optional library checks as some of them require pthreads
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if enabled pthreads; then
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{ check_cflags -pthread && check_ldflags -pthread; } ||
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{ check_cflags -pthreads && check_ldflags -pthreads; } ||
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check_lib pthread.h pthread_create -lpthread ||
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check_func pthread_create ||
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die "ERROR: can't find pthreads library"
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fi
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|
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if test "$lzo" = "yes" -a "$gpl" = "yes"; then
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temp_extralibs -llzo
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check_header lzo1x.h && check_func lzo_version || lzo="no"
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restore_flags
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else
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lzo="no"
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fi
|
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if test "$lzo" = "yes"; then
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extralibs="$extralibs -llzo"
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fi
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# these are off by default, so fail if requested and not available
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enabled dts && require libdts dts.h dts_init -ldts
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enabled libgsm && require libgsm gsm.h gsm_create -lgsm
|
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enabled mp3lame && require LAME lame/lame.h lame_init -lmp3lame
|
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enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
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enabled vorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc
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enabled theora && require libtheora theora/theora.h theora_info_init -ltheora
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enabled faac && require libfaac faac.h faacEncOpen -lfaac
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enabled faad && require libfaad faad.h faacDecOpen -lfaad
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enabled xvid && require XviD xvid.h xvid_global -lxvidcore
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enabled x264 && require x264 x264.h x264_encoder_open -lx264
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enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
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enabled sunmlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
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|
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# test for lrintf in math.h
|
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check_exec <<EOF && have_lrintf=yes || have_lrintf=no
|
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@ -1088,42 +1184,11 @@ EOF
|
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|
||||
_restrict=
|
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for restrict_keyword in restrict __restrict__ __restrict; do
|
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check_cc <<EOF
|
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check_cc <<EOF && _restrict=$restrict_keyword && break
|
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void foo(char * $restrict_keyword p);
|
||||
EOF
|
||||
if test $? = 0; then
|
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_restrict=$restrict_keyword
|
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break;
|
||||
fi
|
||||
done
|
||||
|
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# test gcc version to see if vector builtins can be used
|
||||
# currently only used on i386 for MMX builtins
|
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check_cc -msse <<EOF && builtin_vector=yes || builtin_vector=no
|
||||
#include <xmmintrin.h>
|
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int main(void) {
|
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#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
|
||||
return 0;
|
||||
#else
|
||||
#error no vector builtins
|
||||
#endif
|
||||
}
|
||||
EOF
|
||||
|
||||
# test for mm3dnow.h
|
||||
test "$cpu" = "x86_64" && march=k8 || march=athlon
|
||||
check_cc -march=$march <<EOF && mm3dnow=yes || mm3dnow=no
|
||||
#include <mm3dnow.h>
|
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int main(void) {
|
||||
__m64 b1;
|
||||
b1 = _m_pswapd(b1);
|
||||
_m_femms();
|
||||
return 0;
|
||||
}
|
||||
EOF
|
||||
|
||||
check_cflags -Wdeclaration-after-statement
|
||||
|
||||
# dlopen/dlfcn.h probing
|
||||
|
||||
check_header dlfcn.h && dlfcn=yes
|
||||
@ -1145,7 +1210,7 @@ if test "$vhook" = "default"; then
|
||||
fi
|
||||
|
||||
if test "$vhook" = "yes" -o "$a52bin" = "yes" -o "$faadbin" = "yes"; then
|
||||
extralibs="$extralibs $ldl"
|
||||
add_extralibs $ldl
|
||||
fi
|
||||
|
||||
|
||||
@ -1209,6 +1274,8 @@ EOF
|
||||
restore_flags
|
||||
fi
|
||||
|
||||
enabled sdl || ffplay=no
|
||||
|
||||
##########################################
|
||||
# texi2html check
|
||||
|
||||
@ -1220,7 +1287,7 @@ fi
|
||||
##########################################
|
||||
# IPv6 check
|
||||
|
||||
test "$network" = "yes" && check_ld <<EOF && ipv6=yes || ipv6=no
|
||||
enabled network && check_ld <<EOF && ipv6=yes || ipv6=no
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
@ -1235,7 +1302,7 @@ int main( void ) {
|
||||
EOF
|
||||
|
||||
# check for video4linux2 --- V4L2_PIX_FMT_YUV420
|
||||
test "$v4l2" = "yes" && check_cc <<EOF || v4l2="no"
|
||||
enabled v4l2 && check_cc <<EOF || v4l2="no"
|
||||
#include <sys/time.h>
|
||||
#include <asm/types.h>
|
||||
#include <linux/videodev2.h>
|
||||
@ -1243,23 +1310,20 @@ int dummy = V4L2_PIX_FMT_YUV420;
|
||||
struct v4l2_buffer dummy1;
|
||||
EOF
|
||||
|
||||
enabled debug && add_cflags -g
|
||||
|
||||
# add some useful compiler flags if supported
|
||||
check_cflags -Wdeclaration-after-statement
|
||||
check_cflags -Wall
|
||||
check_cflags -Wno-switch
|
||||
|
||||
if test "$sdl" = "no"; then
|
||||
ffplay=no
|
||||
fi
|
||||
# add some linker flags
|
||||
check_ldflags '-Wl,--as-needed' '-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec' '-Wl,-rpath-link,\$(BUILD_ROOT)/libavformat' '-Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
|
||||
|
||||
if test "$debug" = "yes"; then
|
||||
CFLAGS="-g $CFLAGS"
|
||||
fi
|
||||
# not all compilers support -Os
|
||||
test "$optimize" = "small" && check_cflags -Os
|
||||
|
||||
if test "$optimize" = "small"; then
|
||||
# CFLAGS=${CFLAGS//-O3/-Os}
|
||||
CFLAGS="$CFLAGS -Os"
|
||||
fi
|
||||
|
||||
if test "$optimize" = "yes"; then
|
||||
if enabled optimize; then
|
||||
if test -n "`$cc -v 2>&1 | grep xlc`"; then
|
||||
CFLAGS="$CFLAGS -O5"
|
||||
LDFLAGS="$LDFLAGS -O5"
|
||||
@ -1394,10 +1458,8 @@ fi
|
||||
|
||||
# SHCFLAGS is a copy of CFLAGS without -mdynamic-no-pic, used when building
|
||||
# shared modules on OS/X (vhook/Makefile).
|
||||
SHCFLAGS=$CFLAGS
|
||||
if test "$needmdynamicnopic" = yes; then
|
||||
CFLAGS="$CFLAGS -mdynamic-no-pic"
|
||||
fi
|
||||
SHCFLAGS="$CFLAGS"
|
||||
test "$needmdynamicnopic" = yes && add_cflags -mdynamic-no-pic
|
||||
|
||||
echo "OPTFLAGS=$CFLAGS" >> config.mak
|
||||
echo "SHCFLAGS=$SHCFLAGS">>config.mak
|
||||
@ -1528,15 +1590,11 @@ fi
|
||||
if test "$sunmlib" = "yes" ; then
|
||||
echo "HAVE_MLIB=yes" >> config.mak
|
||||
echo "#define HAVE_MLIB 1" >> $TMPH
|
||||
extralibs="$extralibs -lmlib"
|
||||
fi
|
||||
if test "$pthreads" = "yes" ; then
|
||||
echo "HAVE_PTHREADS=yes" >> config.mak
|
||||
echo "#define HAVE_PTHREADS 1" >> $TMPH
|
||||
echo "#define HAVE_THREADS 1" >> $TMPH
|
||||
if test $targetos != FreeBSD -a $targetos != OpenBSD ; then
|
||||
extralibs="$extralibs -lpthread"
|
||||
fi
|
||||
fi
|
||||
if test "$sdl" = "yes" ; then
|
||||
echo "CONFIG_SDL=yes" >> config.mak
|
||||
|
Loading…
Reference in New Issue
Block a user