--malloc-prefix=PFX prefix malloc and related names with PFX
--enable-sram allow use of on-chip SRAM
--disable-symver disable symbol versioning
+ --optflags override optimization-related compiler flags
Developer options (useful when working on Libav itself):
--disable-debug disable debugging symbols
static
swscale
swscale_alpha
+ thumb
vaapi
vdpau
version3
sys_select_h
sys_soundcard_h
sys_videoio_h
- ten_operands
threads
trunc
truncf
logfile
malloc_prefix
nm
+ optflags
pkg_config
samples
sysinclude
done
}
-set_ne_test_deps(){
- eval ${1}_be_test_deps="bigendian"
- eval ${1}_le_test_deps="!bigendian"
-}
-
test_deps _encoder _decoder \
adpcm_g726=g726 \
adpcm_ima_qt \
ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
-set_ne_test_deps pixdesc
-set_ne_test_deps pixfmts_copy
-set_ne_test_deps pixfmts_crop
-set_ne_test_deps pixfmts_hflip
-set_ne_test_deps pixfmts_null
-set_ne_test_deps pixfmts_pad
-set_ne_test_deps pixfmts_scale
-set_ne_test_deps pixfmts_vflip
-
# default parameters
logfile="config.log"
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
+AS_O='-o $@'
CC_O='-o $@'
host_cflags='-D_ISOC99_SOURCE -O3 -g'
# find source path
if test -f configure; then
- source_path="$(pwd)"
+ source_path=.
disable source_path_used
else
source_path=$(cd $(dirname "$0"); pwd)
disable cmov
;;
# targets that do support conditional mov (cmov)
- i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
+ i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
cpuflags="-march=$cpu"
enable cmov
enable fast_cmov
case $cpu in
cortex-a*) subarch=armv7a ;;
cortex-r*) subarch=armv7r ;;
- cortex-m*) subarch=armv7m ;;
+ cortex-m*) enable thumb; subarch=armv7m ;;
arm11*) subarch=armv6 ;;
arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
elif enabled arm; then
- check_cflags -marm
+ enabled thumb && check_cflags -mthumb || check_cflags -marm
nogas=die
if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
# check whether xmm clobbers are supported
check_asm xmm_clobbers '"":::"%xmm0"'
- # check whether more than 10 operands are supported
- check_cc <<EOF && enable ten_operands
-int main(void) {
- int x=0;
- __asm__ volatile(
- ""
- :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
- );
- return 0;
-}
-EOF
-
# check whether binutils is new enough to compile SSSE3/MMX2
enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
check_cflags -Wall
check_cflags -Wno-parentheses
check_cflags -Wno-switch
+check_cflags -Wno-format-zero-length
check_cflags -Wdisabled-optimization
check_cflags -Wpointer-arith
check_cflags -Wredundant-decls
EOF
fi
-if enabled small; then
+if [ -n "$optflags" ]; then
+ add_cflags $optflags
+elif enabled small; then
add_cflags $size_cflags
elif enabled optimizations; then
add_cflags $speed_cflags
add_cflags -W${armcc_opt},--diag_suppress=1207
add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
+ add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
+ add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
elif enabled tms470; then
add_cflags -pds=824 -pds=837
elif enabled pathscale; then
echo "CMOV is fast ${fast_cmov-no}"
echo "EBX available ${ebx_available-no}"
echo "EBP available ${ebp_available-no}"
- echo "10 operands supported ${ten_operands-no}"
fi
if enabled arm; then
echo "ARMv5TE enabled ${armv5te-no}"
tests
tools
"
- FILES="
- Makefile
- common.mak
- subdir.mak
- doc/Makefile
- doc/texi2pod.pl
- libavcodec/Makefile
- libavcodec/${arch}/Makefile
- libavdevice/Makefile
- libavfilter/Makefile
- libavfilter/${arch}/Makefile
- libavformat/Makefile
- libavutil/Makefile
- libpostproc/Makefile
- libswscale/Makefile
- tests/Makefile
- "
map 'mkdir -p $v' $DIRS;
- map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
+ $ln_s "$source_path/Makefile" .
fi
config_files="$TMPH config.mak"
cat > config.mak <<EOF
# Automatically generated by configure - do not modify!
-ifndef LIBAV_CONFIG_MAK
-LIBAV_CONFIG_MAK=1
LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
prefix=$prefix
LIBDIR=\$(DESTDIR)$libdir
BINDIR=\$(DESTDIR)$bindir
DATADIR=\$(DESTDIR)$datadir
MANDIR=\$(DESTDIR)$mandir
-SRC_PATH="$source_path"
-SRC_PATH_BARE=$source_path
+SRC_PATH=$source_path
CC_IDENT=$cc_ident
ARCH=$arch
CC=$cc
CPPFLAGS=$CPPFLAGS
CFLAGS=$CFLAGS
ASFLAGS=$ASFLAGS
+AS_O=$CC_O
CC_O=$CC_O
DLLTOOL=$dlltool
LDFLAGS=$LDFLAGS
EOF
echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
-echo "endif # LIBAV_CONFIG_MAK" >> config.mak
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
cp_if_changed $TMPH config.h