instruction selection, may crash on older CPUs)
--enable-powerpc-perf enable performance report on PPC
(requires enabling PMC)
+ --disable-asm disable all assembler optimizations
--disable-altivec disable AltiVec optimizations
--disable-amd3dnow disable 3DNow! optimizations
--disable-amd3dnowext disable 3DNow! extended optimizations
check_asm(){
log check_asm "$@"
name="$1"
- asm="$2"
+ code="$2"
shift 2
disable $name
check_as "$@" <<EOF && enable $name
-void foo(void){ __asm__ volatile($asm); }
+void foo(void){ __asm__ volatile($code); }
EOF
}
check_ld(){
log check_ld "$@"
- check_cc || return
flags=''
libs=''
for f; do
test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
done
+ check_cc $($filter_cflags $flags) || return
check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
}
EOF
}
-check_ldflags(){
- log check_ldflags "$@"
- check_ld "$@" <<EOF && add_ldflags "$@"
+test_ldflags(){
+ log test_ldflags "$@"
+ check_ld "$@" <<EOF
int main(void){ return 0; }
EOF
}
+check_ldflags(){
+ log check_ldflags "$@"
+ test_ldflags "$@" && add_ldflags "$@"
+}
+
check_header(){
log check_header "$@"
header=$1
log check_cpp_condition "$@"
header=$1
condition=$2
- check_cpp <<EOF
+ shift 2
+ check_cpp $($filter_cppflags "$@") <<EOF
#include <$header>
#if !($condition)
#error "unsatisfied condition: $condition"
headers="$1"
func="$2"
shift 2
- temp_extralibs "$@"
- check_func_headers "$headers" $func && add_extralibs "$@"
- err=$?
- restore_flags
- return $err
+ check_func_headers "$headers" $func "$@" && add_extralibs "$@"
}
check_exec(){
EOF
}
+check_struct(){
+ log check_type "$@"
+ headers=$1
+ struct=$2
+ member=$3
+ shift 3
+ disable_safe "${struct}_${member}"
+ incs=""
+ for hdr in $headers; do
+ incs="$incs
+#include <$hdr>"
+ done
+ check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
+$incs
+const void *p = &(($struct *)0)->$member;
+EOF
+}
+
require(){
name="$1"
header="$2"
"$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
}
+cp_if_changed(){
+ cmp -s "$1" "$2" &&
+ echo "$2 is unchanged" ||
+ cp -f "$1" "$2"
+}
+
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
# system-dependent things.
vis
'
+HAVE_LIST_PUB='
+ bigendian
+'
+
HAVE_LIST="
$ARCH_EXT_LIST
+ $HAVE_LIST_PUB
$THREADS_LIST
alsa_asoundlib_h
altivec_h
arpa_inet_h
attribute_packed
- bigendian
bswap
closesocket
cmov
$ARCH_EXT_LIST
$CONFIG_LIST
$THREADS_LIST
+ asm
cross_compile
debug
extra_warnings
# code dependency declarations
# architecture extensions
-altivec_deps="ppc"
-amd3dnow_deps="mmx"
-amd3dnowext_deps="amd3dnow"
+
armv5te_deps="arm"
armv6_deps="arm"
armv6t2_deps="arm"
armvfp_deps="arm"
iwmmxt_deps="arm"
+neon_deps="arm"
+
mmi_deps="mips"
+
+altivec_deps="ppc"
+ppc4xx_deps="ppc"
+
+vis_deps="sparc"
+
+x86_64_select="cmov fast_cmov"
+amd3dnow_deps="mmx"
+amd3dnowext_deps="amd3dnow"
mmx_deps="x86"
mmx2_deps="mmx"
-neon_deps="arm"
-ppc4xx_deps="ppc"
sse_deps="mmx"
ssse3_deps="sse"
-vis_deps="sparc"
+fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
+fast_unaligned_if_any="armv6 ppc x86"
need_memalign="altivec neon sse"
inline_asm_deps="!tms470"
host_os=$target_os
# configurable options
+enable asm
enable debug
enable doc
enable fastdiv
tmpfile TMPH .h
tmpfile TMPO .o
tmpfile TMPS .S
+tmpfile TMPV .ver
tmpfile TMPSH .sh
unset -f mktemp
test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
fi
-# Add processor-specific flags
-case $cpu in
- 601|ppc601|PowerPC601)
- cpuflags="-mcpu=601"
- ;;
- 603*|ppc603*|PowerPC603*)
- cpuflags="-mcpu=603"
- ;;
- 604*|ppc604*|PowerPC604*)
- cpuflags="-mcpu=604"
- ;;
- G3|g3|75*|ppc75*|PowerPC75*)
- cpuflags="-mcpu=750 -mpowerpc-gfxopt"
- ;;
- G4|g4|745*|ppc745*|PowerPC745*)
- cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
- ;;
- 74*|ppc74*|PowerPC74*)
- cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
- ;;
- G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
- cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
- ;;
- Cell|CELL|cell)
- cpuflags="-mcpu=cell"
- enable ldbrx
- ;;
- # targets that do NOT support conditional mov (cmov)
- i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
- cpuflags="-march=$cpu"
- 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)
- cpuflags="-march=$cpu"
- enable cmov
- enable fast_cmov
- ;;
- # targets that do support conditional mov but on which it's slow
- pentium4|pentium4m|prescott|nocona)
- cpuflags="-march=$cpu"
- enable cmov
- disable fast_cmov
- ;;
- sparc64)
- cpuflags="-mcpu=v9"
- ;;
- arm11*|cortex*)
- cpuflags="-mcpu=$cpu"
- enable fast_unaligned
- ;;
- armv[67]*)
- cpuflags="-march=$cpu"
- enable fast_unaligned
- ;;
- armv*)
- cpuflags="-march=$cpu"
- ;;
+# Deal with common $arch aliases
+case "$arch" in
arm*)
- cpuflags="-mcpu=$cpu"
+ arch="arm"
;;
- ev4|ev45|ev5|ev56|pca56|ev6|ev67)
- enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
+ mips|mipsel|IP*)
+ arch="mips"
;;
- bf*)
- cpuflags="-mcpu=$cpu"
+ mips64)
+ arch="mips"
+ subarch="mips64"
;;
- mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
- cpuflags="-march=$cpu"
+ parisc|hppa)
+ arch="parisc"
;;
- ap7[02]0[0-2])
- subarch="avr32_ap"
- cpuflags="-mpart=$cpu"
+ parisc64|hppa64)
+ arch="parisc"
+ subarch="parisc64"
;;
- ap)
- subarch="avr32_ap"
- cpuflags="-march=$cpu"
+ "Power Macintosh"|ppc|powerpc)
+ arch="ppc"
;;
- uc3[ab]*)
- subarch="avr32_uc"
- cpuflags="-mcpu=$cpu"
+ ppc64)
+ arch="ppc"
+ subarch="ppc64"
+ ;;
+ s390|s390x)
+ arch="s390"
;;
- uc)
- subarch="avr32_uc"
- cpuflags="-march=$cpu"
+ sh4|sh)
+ arch="sh4"
;;
- generic)
+ sun4u|sparc64)
+ arch="sparc"
+ subarch="sparc64"
;;
- *)
- echo "WARNING: Unknown CPU \"$cpu\", ignored."
+ i[3-6]86|i86pc|BePC|x86_64|amd64)
+ arch="x86"
;;
esac
+is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
+enable $arch
+
+# Add processor-specific flags
+if test "$cpu" = generic; then
+ : do nothing
+elif enabled ppc; then
+
+ case $cpu in
+ 601|ppc601|PowerPC601)
+ cpuflags="-mcpu=601"
+ ;;
+ 603*|ppc603*|PowerPC603*)
+ cpuflags="-mcpu=603"
+ ;;
+ 604*|ppc604*|PowerPC604*)
+ cpuflags="-mcpu=604"
+ ;;
+ G3|g3|75*|ppc75*|PowerPC75*)
+ cpuflags="-mcpu=750 -mpowerpc-gfxopt"
+ ;;
+ G4|g4|745*|ppc745*|PowerPC745*)
+ cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
+ ;;
+ 74*|ppc74*|PowerPC74*)
+ cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
+ ;;
+ G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
+ cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
+ ;;
+ Cell|CELL|cell)
+ cpuflags="-mcpu=cell"
+ enable ldbrx
+ ;;
+ esac
+
+elif enabled x86; then
+
+ case $cpu in
+ i[345]86|pentium)
+ cpuflags="-march=$cpu"
+ disable mmx
+ ;;
+ # targets that do NOT support conditional mov (cmov)
+ pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
+ cpuflags="-march=$cpu"
+ disable cmov
+ ;;
+ # targets that do support conditional mov (cmov)
+ i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
+ cpuflags="-march=$cpu"
+ enable cmov
+ enable fast_cmov
+ ;;
+ # targets that do support conditional mov but on which it's slow
+ pentium4|pentium4m|prescott|nocona)
+ cpuflags="-march=$cpu"
+ enable cmov
+ disable fast_cmov
+ ;;
+ esac
+
+elif enabled sparc; then
+
+ case $cpu in
+ sparc64)
+ cpuflags="-mcpu=v9"
+ ;;
+ esac
+
+elif enabled arm; then
+
+ case $cpu in
+ armv*)
+ cpuflags="-march=$cpu"
+ ;;
+ *)
+ cpuflags="-mcpu=$cpu"
+ ;;
+ esac
+
+elif enabled alpha; then
+
+ enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
+
+elif enabled bfin; then
+
+ cpuflags="-mcpu=$cpu"
+
+elif enabled mips; then
+
+ cpuflags="-march=$cpu"
+
+elif enabled avr32; then
+
+ case $cpu in
+ ap7[02]0[0-2])
+ subarch="avr32_ap"
+ cpuflags="-mpart=$cpu"
+ ;;
+ ap)
+ subarch="avr32_ap"
+ cpuflags="-march=$cpu"
+ ;;
+ uc3[ab]*)
+ subarch="avr32_uc"
+ cpuflags="-mcpu=$cpu"
+ ;;
+ uc)
+ subarch="avr32_uc"
+ cpuflags="-march=$cpu"
+ ;;
+ esac
+
+fi
+
add_cflags $cpuflags
add_asflags $cpuflags
check_host_cflags -std=c99
case "$arch" in
- alpha)
- arch="alpha"
- enable fast_64bit
- check_cflags -mieee
+ alpha|ia64|mips|parisc|sparc)
spic=$shared
;;
- arm|armv[4567]*l)
- arch="arm"
- ;;
- avr32)
- ;;
- bfin)
- arch="bfin"
- ;;
- ia64)
- arch="ia64"
- enable fast_64bit
- spic=$shared
- # HACK: currently fails to build if .bss is > 4MB and shared libs are built
- enabled shared && enable_weak hardcoded_tables
- ;;
- m68k)
- arch="m68k"
- ;;
- mips|mipsel|IP*)
- arch="mips"
- spic=$shared
- ;;
- mips64)
- arch="mips"
- subarch="mips64"
- enable fast_64bit
- spic=$shared
- ;;
- parisc|hppa)
- arch="parisc"
- spic=$shared
- ;;
- parisc64|hppa64)
- arch="parisc"
- enable fast_64bit
- spic=$shared
- ;;
- "Power Macintosh"|ppc|powerpc)
- arch="ppc"
- enable fast_unaligned
- ;;
- ppc64)
- arch="ppc"
- subarch="ppc64"
- enable fast_64bit
- enable fast_unaligned
- ;;
- s390|s390x)
- arch="s390"
- ;;
- sh4|sh)
- arch="sh4"
- ;;
- sparc)
- arch="sparc"
- spic=$shared
- ;;
- sun4u|sparc64)
- arch="sparc"
- subarch="sparc64"
- enable fast_64bit
- spic=$shared
- ;;
- i386|i486|i586|i686|i86pc|BePC|x86_64|amd64)
- arch="x86"
+ x86)
subarch="x86_32"
- enable fast_unaligned
- check_cc <<EOF && enable fast_64bit && subarch="x86_64" && spic=$shared
+ check_cc <<EOF && subarch="x86_64"
int test[(int)sizeof(char*) - 7];
EOF
if test "$subarch" = "x86_64"; then
- enable cmov
- enable fast_cmov
+ spic=$shared
fi
;;
- *)
- arch="unknown"
- ;;
esac
-enable $arch $subarch
+enable $subarch
enabled spic && enable pic
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
{ check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
;;
mingw32*)
+ # Only WinXP or greater are supported
+ add_cflags -D_WIN32_WINNT=0x0501
if test $target_os = "mingw32ce"; then
disable network
else
check_cc <<EOF || die "Symbol mangling check failed."
int ff_extern;
EOF
-sym=$($nm -P -g $TMPO | grep ff_extern)
+sym=$($nm -g $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
extern_prefix=${sym%%ff_extern*}
check_cc <<EOF && enable inline_asm
check_cc <<EOF || die "endian test failed"
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
EOF
-od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
+od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
-if enabled arm; then
+if enabled alpha; then
+
+ check_cflags -mieee
+
+elif enabled arm; then
check_cflags -marm
enabled_all armv6t2 shared !pic && enable_pic
+elif enabled ia64; then
+
+ # HACK: currently fails to build if .bss is > 4MB and shared libs are built
+ enabled shared && enable_weak hardcoded_tables
+
elif enabled mips; then
check_asm loongson '"dmult.g $1, $2, $3"'
enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
- { check_cpp_condition x264.h "X264_BUILD >= 79" ||
- die "ERROR: libx264 version must be >= 0.79."; }
+ { check_cpp_condition x264.h "X264_BUILD >= 83" ||
+ die "ERROR: libx264 version must be >= 0.83."; }
enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
die "ERROR: No version of libdc1394 found "
fi
-disable sdl_too_old
-disable sdl
SDL_CONFIG="${cross_prefix}sdl-config"
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
sdl_cflags=$("${SDL_CONFIG}" --cflags)
sdl_libs=$("${SDL_CONFIG}" --libs)
- temp_cflags $sdl_cflags
- temp_extralibs $sdl_libs
- if check_lib2 SDL.h SDL_Init; then
- _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
- if test "$_sdlversion" -lt 121 ; then
- enable sdl_too_old
- else
- enable sdl
- check_cc $sdl_cflags <<EOF && enable sdl_video_size
-#include <SDL.h>
-int main(int argc, char **argv){
- const SDL_VideoInfo *vi = SDL_GetVideoInfo();
- int w = vi->current_w;
- return 0;
-}
-EOF
- fi
- fi
- restore_flags
+ check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
+ check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
+ enable sdl &&
+ check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
fi
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
if enabled network; then
check_type "sys/types.h sys/socket.h" socklen_t
check_type netdb.h "struct addrinfo"
- check_type sys/socket.h "struct sockaddr_storage"
+ check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
# Prefer arpa/inet.h over winsock2
if check_header arpa/inet.h ; then
check_func closesocket
check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
check_ldflags -Wl,-Bsymbolic
+echo "X{};" > $TMPV
+test_ldflags -Wl,--version-script,$TMPV &&
+ append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
+
if enabled small; then
check_cflags -Os # not all compilers support -Os
optimizations="small"
$OUTDEV_LIST \
$PROTOCOL_LIST \
+enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
+
echo "install prefix $prefix"
echo "source path $source_path"
echo "C compiler $cc"
fi
echo "threading support ${thread_type-no}"
echo "SDL support ${sdl-no}"
-if enabled sdl_too_old; then
- echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
-fi
echo "Sun medialib support ${mlib-no}"
echo "AVISynth enabled ${avisynth-no}"
echo "libdc1394 support ${libdc1394-no}"
echo "Creating config.mak and config.h..."
+# build tree in object directory if source path is different from current one
+if enabled source_path_used; then
+ DIRS="
+ doc
+ libavcodec
+ libavcodec/$arch
+ libavdevice
+ libavfilter
+ libavformat
+ libavutil
+ libavutil/$arch
+ libpostproc
+ libswscale
+ libswscale/$arch
+ tests
+ tools
+ "
+ FILES="
+ Makefile
+ common.mak
+ subdir.mak
+ doc/texi2pod.pl
+ libavcodec/Makefile
+ libavdevice/Makefile
+ libavfilter/Makefile
+ libavformat/Makefile
+ libavutil/Makefile
+ libpostproc/Makefile
+ libswscale/Makefile
+ "
+ for dir in $DIRS ; do
+ mkdir -p $dir
+ done
+ for f in $FILES ; do
+ $ln_s "$source_path/$f" $f
+ done
+fi
+
enabled stripping || strip="echo skipping strip"
cat > config.mak <<EOF
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
-cmp -s $TMPH config.h &&
- echo "config.h is unchanged" ||
- mv -f $TMPH config.h
+cp_if_changed $TMPH config.h
-# build tree in object directory if source path is different from current one
-if enabled source_path_used; then
- DIRS="
- doc
- libavcodec
- libavcodec/$arch
- libavdevice
- libavfilter
- libavformat
- libavutil
- libavutil/$arch
- libpostproc
- libswscale
- libswscale/$arch
- tests
- tools
- "
- FILES="
- Makefile
- common.mak
- subdir.mak
- doc/texi2pod.pl
- libavcodec/Makefile
- libavdevice/Makefile
- libavfilter/Makefile
- libavformat/Makefile
- libavutil/Makefile
- libpostproc/Makefile
- libswscale/Makefile
- "
- for dir in $DIRS ; do
- mkdir -p $dir
- done
- for f in $FILES ; do
- $ln_s "$source_path/$f" $f
- done
-fi
+cat > $TMPH <<EOF
+/* Generated by ffconf */
+#ifndef AVUTIL_AVCONFIG_H
+#define AVUTIL_AVCONFIG_H
+EOF
+
+print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
+
+echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
+cp_if_changed $TMPH libavutil/avconfig.h
# build pkg-config files
projects / ffmpeg / blobdiff