echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
echo " --build-suffix=SUFFIX suffix for application specific build []"
- echo " --cpu=CPU force cpu to CPU [$cpu]"
- echo " --tune=CPU tune code for a particular CPU"
- echo " (may fail or perform badly on other CPUs)"
+ echo " --arch=ARCH select architecture [$arch]"
+ echo " --cpu=CPU selects the minimum cpu required (affects
+ instruction selection, may crash on older CPUs)"
echo " --powerpc-perf-enable enable performance report on PPC"
echo " (requires enabling PMC)"
echo " --disable-mmx disable MMX usage"
+ echo " --disable-armv5te disable armv5te usage"
echo " --disable-iwmmxt disable iwmmxt usage"
echo " --disable-altivec disable AltiVec usage"
echo " --disable-audio-oss disable OSS audio support [default=no]"
ranlib="ranlib"
make="make"
strip="strip"
-cpu=`uname -m`
-tune="generic"
+arch=`uname -m`
+cpu="generic"
powerpc_perf="no"
mmx="default"
+cmov="no"
+cmov_is_fast="no"
+armv5te="default"
iwmmxt="default"
altivec="default"
+dcbzl="no"
mmi="default"
-case "$cpu" in
+case "$arch" in
i386|i486|i586|i686|i86pc|BePC)
- cpu="x86"
+ arch="x86"
;;
x86_64|amd64)
- cpu="x86"
+ arch="x86"
canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
- cpu="x86_64"
+ arch="x86_64"
fi
fi
;;
# armv4l is a subset of armv5tel
- armv4l|armv5tel)
- cpu="armv4l"
+ arm|armv4l|armv5tel)
+ arch="armv4l"
;;
alpha)
- cpu="alpha"
+ arch="alpha"
;;
"Power Macintosh"|ppc|ppc64|powerpc)
- cpu="powerpc"
+ arch="powerpc"
;;
mips|mipsel|IP*)
- cpu="mips"
+ arch="mips"
;;
sun4u|sparc64)
- cpu="sparc64"
+ arch="sparc64"
;;
sparc)
- cpu="sparc"
+ arch="sparc"
;;
sh4)
- cpu="sh4"
+ arch="sh4"
;;
parisc|parisc64)
- cpu="parisc"
+ arch="parisc"
;;
s390|s390x)
- cpu="s390"
+ arch="s390"
;;
m68k)
- cpu="m68k"
+ arch="m68k"
;;
ia64)
- cpu="ia64"
+ arch="ia64"
;;
bfin)
- cpu="bfin"
+ arch="bfin"
;;
*)
- cpu="unknown"
+ arch="unknown"
;;
esac
gprof="no"
dlopen="no"
mpegaudio_hp="yes"
SHFLAGS='-shared -Wl,-soname,$@'
-VHOOKSHFLAGS="$SHFLAGS"
+VHOOKSHFLAGS='$(SHFLAGS)'
netserver="no"
need_inet_aton="no"
protocols="yes"
ffplay="yes"
LIBOBJFLAGS=""
FFLDFLAGS=-Wl,--warn-common
+LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
FFSERVERLDFLAGS=-Wl,-E
LDCONFIG="ldconfig"
LIBPREF="lib"
v4l2="no"
audio_oss="yes"
dv1394="no"
-vhook="no"
+VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
+VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
extralibs=""
EXESUF=".exe"
SLIBPREF="cyg"
SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
;;
Linux)
+LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
;;
IRIX*)
targetos=IRIX
;;
--build-suffix=*) BUILDSUF="$optval"
;;
- --cpu=*) cpu="$optval"
+ --arch=*) arch="$optval"
;;
- --tune=*) tune="$optval"
+ --cpu=*) cpu="$optval"
;;
--powerpc-perf-enable) powerpc_perf="yes"
;;
--disable-mmx) mmx="no"
;;
+ --disable-armv5te) armv5te="no"
+ ;;
--disable-iwmmxt) iwmmxt="no"
;;
--disable-altivec) altivec="no"
if test "$libogg" = "no"; then
echo "libogg must be enabled to enable Vorbis."
fail="yes"
- vorbis="no"
fi
fi
echo "The software scaler is under GPL and --enable-gpl is not specified."
fail="yes"
fi
+fi
- if test "$fail" = "yes"; then
- exit 1
- fi
+if test "$fail" = "yes"; then
+ exit 1
fi
# compute MMX state
if test $mmx = "default"; then
- if test $cpu = "x86" -o $cpu = "x86_64"; then
+ if test $arch = "x86" -o $arch = "x86_64"; then
mmx="yes"
else
mmx="no"
fi
fi
-# check iwmmxt support
-if test $iwmmxt = "default" -a $cpu = "armv4l"; then
- iwmmxt=no
- check_cc <<EOF && iwmmxt=yes
- int main(void) {
- __asm__ __volatile__ ("wunpckelub wr6, wr4");
- }
-EOF
-fi
-
#Darwin CC versions
needmdynamicnopic="no"
if test $targetos = Darwin; then
;;
esac
fi
- if test $optimize != "no"; then
- add_cflags "-fomit-frame-pointer"
- fi
+fi
+
+if test $optimize != "no"; then
+ add_cflags "-fomit-frame-pointer"
fi
# Can only do AltiVec on PowerPC
if test $altivec = "default"; then
- if test $cpu = "powerpc"; then
+ if test $arch = "powerpc"; then
altivec="yes"
else
altivec="no"
# Add processor-specific flags
TUNECPU="generic"
POWERPCMODE="32bits"
-if test $tune != "generic"; then
- case $tune in
+if test $cpu != "generic"; then
+ case $cpu in
601|ppc601|PowerPC601)
add_cflags "-mcpu=601"
if test $altivec = "yes"; then
TUNECPU=ppc604
;;
G3|g3|75*|ppc75*|PowerPC75*)
- add_cflags "-mcpu=750 -mtune=750 -mpowerpc-gfxopt"
+ add_cflags "-mcpu=750 -mpowerpc-gfxopt"
if test $altivec = "yes"; then
echo "WARNING: Tuning for PPC75x but AltiVec enabled!";
fi
TUNECPU=ppc750
;;
G4|g4|745*|ppc745*|PowerPC745*)
- add_cflags "-mcpu=7450 -mtune=7450 -mpowerpc-gfxopt"
+ add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
if test $altivec = "no"; then
echo "WARNING: Tuning for PPC745x but AltiVec disabled!";
fi
TUNECPU=ppc7450
;;
74*|ppc74*|PowerPC74*)
- add_cflags "-mcpu=7400 -mtune=7400 -mpowerpc-gfxopt"
+ add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
if test $altivec = "no"; then
echo "WARNING: Tuning for PPC74xx but AltiVec disabled!";
fi
TUNECPU=ppc7400
;;
G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
- add_cflags "-mcpu=970 -mtune=970 -mpowerpc-gfxopt -mpowerpc64"
+ add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
if test $altivec = "no"; then
echo "WARNING: Tuning for PPC970 but AltiVec disabled!";
fi
TUNECPU=ppc970
POWERPCMODE="64bits"
;;
- i[3456]86|pentium|pentiumpro|pentium-mmx|pentium[234]|prescott|k6|k6-[23]|athlon|athlon-tbird|athlon-4|athlon-[mx]p|winchip-c6|winchip2|c3|nocona|athlon64|k8|opteron|athlon-fx)
- add_cflags "-march=$tune"
+ # targets that do NOT support conditional mov (cmov)
+ i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
+ add_cflags "-march=$cpu"
+ cmov="no"
+ ;;
+ # targets that do support conditional mov (cmov)
+ i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx)
+ add_cflags "-march=$cpu"
+ cmov="yes"
+ cmov_is_fast="yes"
+ ;;
+ # targets that do support conditional mov but on which it's slow
+ pentium4|prescott|nocona)
+ add_cflags "-march=$cpu"
+ cmov="yes"
+ cmov_is_fast="no"
;;
sparc64)
- add_cflags "-mcpu=v9 -mtune=v9"
+ add_cflags "-mcpu=v9"
;;
*)
- echo "WARNING: Unknown CPU \"$tune\", ignored."
+ echo "WARNING: Unknown CPU \"$cpu\", ignored."
;;
esac
fi
+# make sure we can execute files in $TMPDIR
+cat >$TMPE 2>>$logfile <<EOF
+#! /bin/sh
+EOF
+chmod +x $TMPE >>$logfile 2>&1
+if ! $TMPE >>$logfile 2>&1; then
+ cat <<EOF
+Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
+variable to another directory and make sure that $TMPDIR1 is not mounted
+noexec.
+EOF
+ die "Sanity test failed."
+fi
+rm $TMPE
+
# compiler sanity check
check_exec <<EOF
int main(){
echo "$cc is unable to create an executable file."
if test -z "$cross_prefix" -a "$cross_compile" = no; then
echo "If $cc is a cross-compiler, use the --cross-compile option."
+ echo "Only do this if you know what cross compiling means."
fi
die "C compiler test failed."
fi
+# check for assembler specific support
+
+if test $arch = "powerpc"; then
+check_cc <<EOF && dcbzl=yes
+int main(void) {
+ register long zero = 0;
+ char data[1024];
+ asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
+return 0;
+}
+EOF
+fi
+
# check for SIMD availability
# AltiVec flags: The FSF version of GCC differs from the Apple version
-if test $cpu = "powerpc"; then
+if test $arch = "powerpc"; then
if test $altivec = "yes"; then
if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
add_cflags "-faltivec"
EOF
fi
+# check armv5te instructions support
+if test $armv5te = "default" -a $arch = "armv4l"; then
+ armv5te=no
+ check_cc <<EOF && armv5te=yes
+ int main(void) {
+ __asm__ __volatile__ ("qadd r0, r0, r0");
+ }
+EOF
+fi
+
+# check iwmmxt support
+if test $iwmmxt = "default" -a $arch = "armv4l"; then
+ iwmmxt=no
+ check_cc <<EOF && iwmmxt=yes
+ int main(void) {
+ __asm__ __volatile__ ("wunpckelub wr6, wr4");
+ }
+EOF
+fi
+
# mmi only available on mips
if test $mmi = "default"; then
- if test $cpu = "mips"; then
+ if test $arch = "mips"; then
mmi="yes"
else
mmi="no"
}
EOF
-# test gcc version to see if vector builtins can be used
-# currently only used on i386 for MMX builtins
-check_cc -msse <<EOF && builtin_vector=yes || builtin_vector=no
-#include <xmmintrin.h>
-int main(void) {
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
-return 0;
-#else
-#error no vector builtins
-#endif
-}
-EOF
-
-# test for mm3dnow.h
-test "$cpu" = "x86_64" && march=k8 || march=athlon
-check_cc -march=$march <<EOF && mm3dnow=yes || mm3dnow=no
-#include <mm3dnow.h>
-int main(void) {
-__m64 b1;
-b1 = _m_pswapd(b1);
-_m_femms();
-return 0;
-}
-EOF
-
# ---
# big/little-endian test
if test "$cross_compile" = "no"; then
EOF
else
# programs cannot be launched if cross compiling, so make a static guess
- if test "$cpu" = "powerpc" -o "$cpu" = "mips" ; then
+ if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
bigendian="yes"
fi
fi
fi
# these are off by default, so fail if requested and not available
-enabled dts && require libdts dts.h dts_init -ldts
+enabled dts && require libdts dts.h dts_init -ldts -lm
enabled libgsm && require libgsm gsm.h gsm_create -lgsm
-enabled mp3lame && require LAME lame/lame.h lame_init -lmp3lame
+enabled mp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
enabled vorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
enabled xvid && require XviD xvid.h xvid_global -lxvidcore
add_extralibs $ldl
fi
+if test "$targetos" = "CYGWIN" -a "$lstatic" = "yes" ; then
+ vhook="no"
+ echo
+ echo "At the moment vhooks don't work on Cygwin static builds."
+ echo "Patches welcome."
+ echo
+fi
+
if enabled vhook; then
check_ldflags -rdynamic
check_ldflags -export-dynamic
check_cflags -Winline
# 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'
+check_ldflags $LDLATEFLAGS
# not all compilers support -Os
test "$optimize" = "small" && check_cflags -Os
if test "$lshared" = "yes" ; then
# LIBOBJFLAGS may have already been set in the OS configuration
if test -z "$LIBOBJFLAGS" ; then
- case "$cpu" in
+ case "$arch" in
x86_64|ia64|alpha|sparc*) LIBOBJFLAGS="\$(PIC)" ;;
esac
fi
echo "source path $source_path"
echo "C compiler $cc"
echo "make $make"
-echo "CPU $cpu ($tune)"
+echo "ARCH $arch ($cpu)"
if test "$BUILDSUF" != ""; then
echo "build suffix $BUILDSUF"
fi
echo "big-endian $bigendian"
echo "inttypes.h $inttypes"
echo "broken inttypes.h $emu_fast_int"
-if test $cpu = "x86" -o $cpu = "x86_64"; then
+if test $arch = "x86" -o $arch = "x86_64"; then
echo "MMX enabled $mmx"
- echo "Vector Builtins $builtin_vector"
- echo "3DNow! Builtins $mm3dnow"
+ echo "CMOV enabled $cmov"
+ echo "CMOV is fast $cmov_is_fast"
fi
-if test $cpu = "armv4l"; then
+if test $arch = "armv4l"; then
+ echo "ARMv5TE enabled $armv5te"
echo "IWMMXT enabled $iwmmxt"
fi
-if test $cpu = "mips"; then
+if test $arch = "mips"; then
echo "MMI enabled $mmi"
fi
-if test $cpu = "powerpc"; then
+if test $arch = "powerpc"; then
echo "AltiVec enabled $altivec"
+ echo "dcbzl available $dcbzl"
fi
echo "gprof enabled $gprof"
echo "zlib enabled $zlib"
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
echo "SHFLAGS=$SHFLAGS" >> config.mak
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
+echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
echo "BUILD_STATIC=$lstatic" >> config.mak
echo "BUILDSUF=$BUILDSUF" >> config.mak
echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
echo "TARGET_OS=$targetos" >> config.mak
-if test "$cpu" = "x86" ; then
+if test "$arch" = "x86" ; then
echo "TARGET_ARCH_X86=yes" >> config.mak
echo "#define ARCH_X86 1" >> $TMPH
-elif test "$cpu" = "x86_64" ; then
+elif test "$arch" = "x86_64" ; then
echo "TARGET_ARCH_X86_64=yes" >> config.mak
echo "#define ARCH_X86_64 1" >> $TMPH
-elif test "$cpu" = "armv4l" ; then
+elif test "$arch" = "armv4l" ; then
echo "TARGET_ARCH_ARMV4L=yes" >> config.mak
echo "#define ARCH_ARMV4L 1" >> $TMPH
-elif test "$cpu" = "alpha" ; then
+elif test "$arch" = "alpha" ; then
echo "TARGET_ARCH_ALPHA=yes" >> config.mak
echo "#define ARCH_ALPHA 1" >> $TMPH
-elif test "$cpu" = "sparc64" ; then
+elif test "$arch" = "sparc64" ; then
echo "TARGET_ARCH_SPARC64=yes" >> config.mak
echo "#define ARCH_SPARC64 1" >> $TMPH
echo "TARGET_ARCH_SPARC=yes" >> config.mak
echo "#define ARCH_SPARC 1" >> $TMPH
-elif test "$cpu" = "sparc" ; then
+elif test "$arch" = "sparc" ; then
echo "TARGET_ARCH_SPARC=yes" >> config.mak
echo "#define ARCH_SPARC 1" >> $TMPH
-elif test "$cpu" = "powerpc" ; then
+elif test "$arch" = "powerpc" ; then
echo "TARGET_ARCH_POWERPC=yes" >> config.mak
echo "#define ARCH_POWERPC 1" >> $TMPH
if test $POWERPCMODE = "32bits"; then
if test "$powerpc_perf" = "yes"; then
echo "#define POWERPC_PERFORMANCE_REPORT 1" >> $TMPH
fi
-elif test "$cpu" = "mips" ; then
+elif test "$arch" = "mips" ; then
echo "TARGET_ARCH_MIPS=yes" >> config.mak
echo "#define ARCH_MIPS 1" >> $TMPH
-elif test "$cpu" = "sh4" ; then
+elif test "$arch" = "sh4" ; then
echo "TARGET_ARCH_SH4=yes" >> config.mak
echo "#define ARCH_SH4 1" >> $TMPH
-elif test "$cpu" = "parisc" ; then
+elif test "$arch" = "parisc" ; then
echo "TARGET_ARCH_PARISC=yes" >> config.mak
echo "#define ARCH_PARISC 1" >> $TMPH
-elif test "$cpu" = "s390" ; then
+elif test "$arch" = "s390" ; then
echo "TARGET_ARCH_S390=yes" >> config.mak
echo "#define ARCH_S390 1" >> $TMPH
-elif test "$cpu" = "m68k" ; then
+elif test "$arch" = "m68k" ; then
echo "TARGET_ARCH_M68K=yes" >> config.mak
echo "#define ARCH_M68K 1" >> $TMPH
-elif test "$cpu" = "ia64" ; then
+elif test "$arch" = "ia64" ; then
echo "TARGET_ARCH_IA64=yes" >> config.mak
echo "#define ARCH_IA64 1" >> $TMPH
-elif test "$cpu" = "bfin" ; then
+elif test "$arch" = "bfin" ; then
echo "TARGET_ARCH_BFIN=yes" >> config.mak
echo "#define ARCH_BFIN 1" >> $TMPH
fi
echo "#define HAVE_MMX 1" >> $TMPH
echo "#define __CPU__ 586" >> $TMPH
fi
-if test "$builtin_vector" = "yes" ; then
- echo "TARGET_BUILTIN_VECTOR=yes" >> config.mak
- echo "#define HAVE_BUILTIN_VECTOR 1" >> $TMPH
+if test "$cmov" = "yes" ; then
+ echo "TARGET_CMOV=yes" >> config.mak
+ echo "#define HAVE_CMOV 1" >> $TMPH
+fi
+if test "$cmov_is_fast" = "yes" ; then
+ echo "TARGET_CMOV_IS_FAST=yes" >> config.mak
+ echo "#define CMOV_IS_FAST 1" >> $TMPH
fi
-if test "$mm3dnow" = "yes" ; then
- echo "TARGET_BUILTIN_3DNOW=yes" >> config.mak
- echo "#define HAVE_MM3DNOW 1" >> $TMPH
+if test "$armv5te" = "yes" ; then
+ echo "TARGET_ARMV5TE=yes" >> config.mak
+ echo "#define HAVE_ARMV5TE 1" >> $TMPH
fi
if test "$iwmmxt" = "yes" ; then
echo "TARGET_IWMMXT=yes" >> config.mak
echo "TARGET_MMI=yes" >> config.mak
echo "#define HAVE_MMI 1" >> $TMPH
fi
+
+if test "$dcbzl" = "yes" ; then
+ echo "#define HAVE_DCBZL 1" >> $TMPH
+else
+ echo "#undef HAVE_DCBZL" >> $TMPH
+fi
+
if test "$altivec" = "yes" ; then
echo "TARGET_ALTIVEC=yes" >> config.mak
echo "#define HAVE_ALTIVEC 1" >> $TMPH
- echo "// Enable the next line to use the reference C code instead of AltiVec" >> $TMPH
- echo "// #define ALTIVEC_USE_REFERENCE_C_CODE 1" >> $TMPH
if test "$_altivec_h" = "yes" ; then
echo "#define HAVE_ALTIVEC_H 1" >> $TMPH
else
libavcodec \
libavcodec/alpha \
libavcodec/armv4l \
+ libavcodec/bfin \
libavcodec/i386 \
libavcodec/sparc \
libavcodec/mlib \
fi
+# "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
- echo "#define CONFIG_`echo $codec | tr a-z A-Z` 1" >> $TMPH
- echo "CONFIG_`echo $codec | tr a-z A-Z`=yes" >> config.mak
+ echo "#define CONFIG_`echo $codec | tr '[a-z]' '[A-Z]'` 1" >> $TMPH
+ echo "CONFIG_`echo $codec | tr '[a-z]' '[A-Z]'`=yes" >> config.mak
done
# Do not overwrite config.h if unchanged to avoid superfluous rebuilds.