echo
echo "Standard options:"
echo " --help print this message"
+ echo " --log[=FILE|yes|no] log tests and output to FILE [config.err]"
echo " --prefix=PREFIX install in PREFIX [$prefix]"
echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
echo " --incdir=DIR install includes in DIR [PREFIX/include/ffmpeg]"
echo "Advanced options (experts only):"
echo " --source-path=PATH path to source code [$source_path]"
echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
+ echo " --cross-compile assume a cross-compiler is used"
echo " --cc=CC use C compiler CC [$cc]"
echo " --make=MAKE use specified make [$make]"
echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
exit 1
}
+log(){
+ echo "$@" >>$logfile
+}
+
+logfile(){
+ log BEGIN $1
+ cat -n $1 >>$logfile
+ log END $1
+}
+
+echolog(){
+ log "$@"
+ echo "$@"
+}
+
+die(){
+ echolog "$@"
+ cat <<EOF
+If you think configure made a mistake, make sure you are using the latest
+version from SVN. If the latest version fails, report the problem to the
+ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
+EOF
+ if enabled log; then
+ cat <<EOF
+Include the log file "$logfile" produced by configure as this will help
+solving the problem.
+EOF
+ else
+cat <<EOF
+Rerun configure with logging enabled (do not use --log=no), and include the
+log this produces with your report.
+EOF
+ fi
+ rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
+ exit 1
+}
+
+enabled(){
+ eval test "\$$1" = "yes"
+}
+
+flags_saved(){
+ (: ${SAVE_CFLAGS?}) 2>/dev/null
+}
+
save_flags(){
- (:${SAVE_CFLAGS?}) 2>/dev/null && return
+ flags_saved && return
SAVE_CFLAGS="$CFLAGS"
SAVE_LDFLAGS="$LDFLAGS"
SAVE_extralibs="$extralibs"
extralibs="$extralibs $*"
}
+append(){
+ var=$1
+ shift
+ flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
+ eval "$var=\"\$$var $*\""
+}
+
+add_cflags(){
+ append CFLAGS "$@"
+}
+
+add_ldflags(){
+ append LDFLAGS "$@"
+}
+
+add_extralibs(){
+ append extralibs "$@"
+}
+
check_cc(){
+ log check_cc "$@"
+ cat >$TMPC
+ logfile $TMPC
+ log $cc $CFLAGS "$@" -c -o $TMPO $TMPC
+ $cc $CFLAGS "$@" -c -o $TMPO $TMPC >>$logfile 2>&1
+}
+
+check_cpp(){
+ log check_cpp "$@"
cat >$TMPC
- $cc $CFLAGS "$@" -c -o $TMPO $TMPC >/dev/null 2>&1
+ logfile $TMPC
+ log $cc $CFLAGS "$@" -E -o $TMPO $TMPC
+ $cc $CFLAGS "$@" -E -o $TMPO $TMPC >>$logfile 2>&1
}
check_ld(){
+ log check_ld "$@"
cat >$TMPC
- $cc $CFLAGS $LDFLAGS "$@" -o $TMPE $TMPC $extralibs >/dev/null 2>&1
+ logfile $TMPC
+ log $cc $CFLAGS $LDFLAGS "$@" -o $TMPE $TMPC $extralibs
+ $cc $CFLAGS $LDFLAGS "$@" -o $TMPE $TMPC $extralibs >>$logfile 2>&1
}
check_cflags(){
- check_cc "$@" <<EOF && CFLAGS="$CFLAGS $*"
+ log check_cflags "$@"
+ check_cc "$@" <<EOF && add_cflags "$@"
int x;
EOF
}
check_ldflags(){
- check_ld "$@" <<EOF && LDFLAGS="$LDFLAGS $*"
-int x;
+ log check_ldflags "$@"
+ check_ld "$@" <<EOF && add_ldflags "$@"
+int main(){
+ return 0;
+}
EOF
}
check_header(){
+ log check_header "$@"
header=$1
shift
- check_cc "$@" <<EOF
+ check_cpp "$@" <<EOF
#include <$header>
int x;
EOF
}
check_func(){
+ log check_func "$@"
func=$1
shift
check_ld "$@" <<EOF
EOF
}
+check_lib(){
+ log check_lib "$@"
+ header="$1"
+ func="$2"
+ shift 2
+ temp_extralibs "$@"
+ check_header $header && check_func $func && add_extralibs "$@"
+ err=$?
+ restore_flags
+ return $err
+}
+
check_exec(){
- check_ld "$@" && (test -z "$cross_prefix" && $TMPE || true)
+ check_ld "$@" && { test "$cross_compile" = yes || $TMPE 2>&1 >>$logfile; }
+}
+
+require(){
+ name="$1"
+ header="$2"
+ func="$3"
+ shift 3
+ check_lib $header $func "$@" || die "ERROR: $name not found"
}
if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
# default parameters
+log="yes"
+logfile="config.err"
prefix="/usr/local"
libdir=""
incdir=""
mandir=""
bindir=""
cross_prefix=""
+cross_compile="no"
cc="gcc"
ar="ar"
ranlib="ranlib"
"Power Macintosh"|ppc|powerpc)
cpu="powerpc"
;;
- mips|mipsel)
+ mips|mipsel|IP*)
cpu="mips"
;;
sun4u|sparc64)
audio_oss="yes"
dv1394="no"
make="gmake"
-FFLDFLAGS="$FFLDFLAGS -export-dynamic"
extralibs="$extralibs -lossaudio"
;;
OpenBSD)
dv1394="no"
make="gmake"
LIBOBJFLAGS="\$(PIC)"
-FFLDFLAGS="$FFLDFLAGS -export-dynamic -pthread"
LDCONFIG="ldconfig -m \$(libdir)"
extralibs="$extralibs -lossaudio"
;;
dv1394="no"
make="gmake"
CFLAGS="$CFLAGS -pthread"
-FFLDFLAGS="$FFLDFLAGS -export-dynamic -pthread"
;;
GNU/kFreeBSD)
v4l="no"
audio_oss="yes"
dv1394="no"
CFLAGS="$CFLAGS -pthread"
-LDFLAGS="$LDFLAGS -rdynamic"
;;
BSD/OS)
v4l="no"
EXESUF=".exe"
;;
Linux)
-FFLDFLAGS="$FFLDFLAGS -rdynamic -Wl,--as-needed -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil"
;;
IRIX*)
ranlib="echo ignoring ranlib"
for opt do
case "$opt" in
+ --log)
+ ;;
+ --log=*) log="${opt#*=}"
+ ;;
--prefix=*) prefix=`echo $opt | cut -d '=' -f 2`; force_prefix=yes
;;
--libdir=*) libdir=`echo $opt | cut -d '=' -f 2`; force_libdir=yes
;;
--cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
;;
+ --cross-compile) cross_compile=yes
+ ;;
--cc=*) cc=`echo $opt | cut -d '=' -f 2-`
;;
--make=*) make=`echo $opt | cut -d '=' -f 2`
--enable-a52bin) a52bin="yes"
;;
--enable-dts) dts="yes"
- extralibs="$extralibs -ldts"
;;
--enable-pp) pp="yes"
;;
--enable-libgsm) libgsm="yes"
- extralibs="$extralibs -lgsm"
;;
--enable-mp3lame) mp3lame="yes"
- extralibs="$extralibs -lmp3lame"
;;
--enable-libogg) libogg="yes"
- extralibs="$extralibs -logg"
pkg_requires="$pkg_requires ogg >= 1.1"
;;
--enable-vorbis) vorbis="yes"
- extralibs="$extralibs -lvorbis -lvorbisenc"
pkg_requires="$pkg_requires vorbis vorbisenc"
;;
--enable-theora) theora="yes"
- extralibs="$extralibs -ltheora"
pkg_requires="$pkg_requires theora"
;;
--enable-faad) faad="yes"
- extralibs="$extralibs -lfaad"
;;
--enable-faadbin) faadbin="yes"
;;
--enable-faac) faac="yes"
- extralibs="$extralibs -lfaac"
;;
--enable-xvid) xvid="yes"
- extralibs="$extralibs -lxvidcore"
;;
--enable-x264) x264="yes"
- extralibs="$extralibs -lx264"
;;
--enable-dc1394) dc1394="yes"
- extralibs="$extralibs -ldc1394_control -lraw1394"
pkg_requires="$pkg_requires libraw1394"
;;
--disable-vhook) vhook="no"
esac
done
+if test "$log" != no; then
+ test "$log" = yes || logfile="$log"
+ echo "# $0 $@" >$logfile
+ set >>$logfile
+else
+ logfile=/dev/null
+fi
# Combine FFLDFLAGS and the LDFLAGS environment variable
LDFLAGS="$FFLDFLAGS $LDFLAGS"
+test -n "$cross_prefix" && cross_compile=yes
cc="${cross_prefix}${cc}"
ar="${cross_prefix}${ar}"
ranlib="${cross_prefix}${ranlib}"
esac
fi
+# compiler sanity check
+check_exec <<EOF
+int main(){
+ return 0;
+}
+EOF
+if test "$?" != 0; then
+ echo "$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."
+ fi
+ die "C compiler test failed."
+fi
+
+# check for SIMD availability
+
# AltiVec flags: The FSF version of GCC differs from the Apple version
if test $cpu = "powerpc"; then
if test $altivec = "yes"; then
fi
# check if our compiler supports mmi
-if test $mmi = "yes"; then
- check_cc <<EOF || mmi="no"
+enabled mmi && check_cc <<EOF || mmi="no"
int main(void) {
__asm__ ("lq \$2, 0(\$2)");
return 0;
}
EOF
-fi
+
+# test gcc version to see if vector builtins can be used
+# currently only used on i386 for MMX builtins
+check_cc -msse <<EOF && builtin_vector=yes || builtin_vector=no
+#include <xmmintrin.h>
+int main(void) {
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
+return 0;
+#else
+#error no vector builtins
+#endif
+}
+EOF
+
+# test for mm3dnow.h
+test "$cpu" = "x86_64" && march=k8 || march=athlon
+check_cc -march=$march <<EOF && mm3dnow=yes || mm3dnow=no
+#include <mm3dnow.h>
+int main(void) {
+__m64 b1;
+b1 = _m_pswapd(b1);
+_m_femms();
+return 0;
+}
+EOF
if test "$mingw32" = "yes" -o "$mingwce" = "yes"; then
if test "$lshared" = "yes" && test "$lstatic" = "yes" ; then
SLIBPREF=""
SLIBSUF=".dll"
EXESUF=".exe"
- if test "$force_prefix" != yes; then prefix="/c/Program Files/FFmpeg"; fi
+ if test "$force_prefix" != yes; then prefix="$PROGRAMFILES/FFmpeg"; fi
if test "$force_libdir" != yes; then bindir="$prefix"; fi
fi
-if test -z "$cross_prefix" ; then
- # ---
- # big/little-endian test
- check_ld <<EOF
+# ---
+# big/little-endian test
+if test "$cross_compile" = "no"; then
+ check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
#include <inttypes.h>
int main(int argc, char ** argv){
volatile uint32_t i=0x01234567;
return (*((uint8_t*)(&i))) == 0x67;
}
EOF
-
- if test $? = 0 ; then
- $TMPE && bigendian="yes"
- else
- echo big/little test failed
- fi
else
# programs cannot be launched if cross compiling, so make a static guess
if test "$cpu" = "powerpc" -o "$cpu" = "mips" ; then
fi
if test "$_memalign" = "no" -a "$mmx" = "yes" -a "$memalignhack" != "yes"; then
- echo "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
- exit 1
+ die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
fi
check_func localtime_r && localtime_r=yes || localtime_r=no
-
-if test "$zlib" = "yes"; then
- temp_extralibs -lz
- check_header zlib.h && check_func zlibVersion || zlib="no"
- # XXX: more tests needed - runtime test
+enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
+enabled lzo && enabled gpl && check_lib lzo1x.h lzo_version -llzo || lzo="no"
+
+# check for some common methods of building with pthread support
+# do this before the optional library checks as some of them require pthreads
+if enabled pthreads; then
+ { check_cflags -pthread && check_ldflags -pthread; } ||
+ { check_cflags -pthreads && check_ldflags -pthreads; } ||
+ check_lib pthread.h pthread_create -lpthread ||
+ check_func pthread_create ||
+ die "ERROR: can't find pthreads library"
+fi
+
+# these are off by default, so fail if requested and not available
+enabled dts && require libdts dts.h dts_init -ldts
+enabled libgsm && require libgsm gsm.h gsm_create -lgsm
+enabled mp3lame && require LAME lame/lame.h lame_init -lmp3lame
+enabled vorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc
+enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
+enabled theora && require libtheora theora/theora.h theora_info_init -ltheora
+enabled xvid && require XviD xvid.h xvid_global -lxvidcore
+enabled x264 && require x264 x264.h x264_encoder_open -lx264
+enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
+enabled sunmlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
+
+# Ugh, faac uses stdcall calling convention on win32 so we can't use
+# the generic test functions
+if enabled faac; then
+ save_flags
+ temp_extralibs -lfaac
+ check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
+#include <stdint.h>
+#include <faac.h>
+int main(){
+ char *id, *cpr;
+ faacEncGetVersion(&id, &cpr);
+ return 0;
+}
+EOF
restore_flags
fi
-if test "$zlib" = "yes"; then
- extralibs="$extralibs -lz"
-fi
-if test "$lzo" = "yes" -a "$gpl" = "yes"; then
- temp_extralibs -llzo
- check_header lzo1x.h && check_func lzo_version || lzo="no"
+# Ugh, recent faad2 versions have renamed all functions and #define the
+# old names in faad.h. Generic tests won't work.
+if enabled faad; then
+ save_flags
+ temp_extralibs -lfaad
+ check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
+#include <faad.h>
+int main(){
+ faacDecOpen();
+ return 0;
+}
+EOF
restore_flags
-else
- lzo="no"
-fi
-if test "$lzo" = "yes"; then
- extralibs="$extralibs -llzo"
fi
# test for lrintf in math.h
_restrict=
for restrict_keyword in restrict __restrict__ __restrict; do
- check_cc <<EOF
+ check_cc <<EOF && _restrict=$restrict_keyword && break
void foo(char * $restrict_keyword p);
EOF
- if test $? = 0; then
- _restrict=$restrict_keyword
- break;
- fi
done
-# 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
-
-check_cflags -Wdeclaration-after-statement
-
# dlopen/dlfcn.h probing
check_header dlfcn.h && dlfcn=yes
fi
if test "$vhook" = "yes" -o "$a52bin" = "yes" -o "$faadbin" = "yes"; then
- extralibs="$extralibs $ldl"
+ add_extralibs $ldl
fi
+if enabled vhook; then
+ check_ldflags -rdynamic
+ check_ldflags -export-dynamic
+fi
##########################################
# imlib check
restore_flags
fi
+enabled sdl || ffplay=no
+
##########################################
# texi2html check
##########################################
# IPv6 check
-test "$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>
EOF
# check for video4linux2 --- V4L2_PIX_FMT_YUV420
-test "$v4l2" = "yes" && check_cc <<EOF || v4l2="no"
+enabled v4l2 && check_cc <<EOF || v4l2="no"
#include <sys/time.h>
#include <asm/types.h>
#include <linux/videodev2.h>
struct v4l2_buffer dummy1;
EOF
+enabled debug && add_cflags -g
+
+# add some useful compiler flags if supported
+check_cflags -Wdeclaration-after-statement
check_cflags -Wall
check_cflags -Wno-switch
-if test "$sdl" = "no"; then
- ffplay=no
-fi
-
-if test "$debug" = "yes"; then
- CFLAGS="-g $CFLAGS"
-fi
+# add some linker flags
+check_ldflags '-Wl,--as-needed' '-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec' '-Wl,-rpath-link,\$(BUILD_ROOT)/libavformat' '-Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
-if test "$optimize" = "small"; then
-# CFLAGS=${CFLAGS//-O3/-Os}
- CFLAGS="$CFLAGS -Os"
-fi
+# not all compilers support -Os
+test "$optimize" = "small" && check_cflags -Os
-if test "$optimize" = "yes"; then
+if enabled optimize; then
if test -n "`$cc -v 2>&1 | grep xlc`"; then
CFLAGS="$CFLAGS -O5"
LDFLAGS="$LDFLAGS -O5"
# SHCFLAGS is a copy of CFLAGS without -mdynamic-no-pic, used when building
# shared modules on OS/X (vhook/Makefile).
-SHCFLAGS=$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
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 "$sdl" = "yes" ; then
echo "CONFIG_SDL=yes" >> config.mak
echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
fi
echo "EXTRALIBS=$extralibs" >> config.mak
-version=`grep '#define FFMPEG_VERSION ' "$source_path/libavcodec/avcodec.h" |
- cut -d '"' -f 2`
-echo "VERSION=$version" >>config.mak
+
# If you do not want to use encoders, disable them.
echo "#define CONFIG_ENCODERS 1" >> $TMPH
echo "CONFIG_ENCODERS=yes" >> config.mak