fi
show_help(){
-cat <<EOF
+ cat <<EOF
Usage: configure [options]
Options: [defaults in brackets after descriptions]
--disable-mmi disable MMI optimizations
--disable-neon disable NEON optimizations
--disable-vis disable VIS optimizations
+ --disable-inline-asm disable use of inline assembler
--disable-yasm disable use of yasm assembler
Developer options (useful when working on Libav itself):
include the log this produces with your report.
EOF
else
-cat <<EOF
+ cat <<EOF
Include the log file "$logfile" produced by configure as this will help
solving the problem.
EOF
static void sighandler(int sig){
raise(SIGTERM);
}
+int foo(void){
+ $code
+}
int main(void){
signal(SIGILL, sighandler);
signal(SIGFPE, sighandler);
#ifdef SIGBUS
signal(SIGBUS, sighandler);
#endif
- { $code }
+ foo();
}
EOF
}
dev_ic_bt8xx_h
dev_video_bktr_ioctl_bt848_h
dev_video_meteor_ioctl_meteor_h
+ direct_h
dlfcn_h
dlopen
dos_paths
mkstemp
mm_empty
mmap
+ msvcrt
nanosleep
poll_h
posix_memalign
cross_compile
debug
extra_warnings
+ inline_asm
logging
optimizations
symver
symver_if_any="symver_asm_label symver_gnu_asm"
+log2_deps="!msvcrt"
+
# subsystems
dct_select="rdft"
mdct_select="fft"
dxa_decoder_select="zlib"
eac3_decoder_select="ac3_decoder"
eac3_encoder_select="ac3_encoder"
-eamad_decoder_select="aandcttables error_resilience"
+eamad_decoder_select="aandcttables error_resilience mpegvideo"
eatgq_decoder_select="aandcttables"
eatqi_decoder_select="aandcttables error_resilience mpegvideo"
ffv1_decoder_select="golomb rangecoder"
die "Sanity test failed."
fi
+msvc_flags(){
+ for flag; do
+ case $flag in
+ -fomit-frame-pointer) echo -Oy ;;
+ -g) echo -Z7 ;;
+ -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
+ -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
+ -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
+ -wd4996 ;;
+ -std=c99) ;;
+ -fno-math-errno) ;;
+ -fno-common) ;;
+ -fno-signed-zeros) ;;
+ -lz) echo zlib.lib ;;
+ -l*) echo ${flag#-l}.lib ;;
+ *) echo $flag ;;
+ esac
+ done
+}
+
pgi_flags(){
for flag; do
case $flag in
_cflags_size="-O2 -Munroll=c:1 $opt_common"
_cflags_noopt="-O1"
_flags_filter=pgi_flags
+ elif $_cc 2>&1 | grep -q Microsoft; then
+ _type=msvc
+ _ident=$($cc 2>&1 | head -n1)
+ _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
+ _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
+ _cflags_speed="-O2"
+ _cflags_size="-O1"
+ # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
+ if $_cc 2>&1 | grep -q Linker; then
+ _ld_o='-out $@'
+ else
+ _ld_o='-Fe$@'
+ fi
+ _cc_o='-Fo $@'
+ _cc_e='-P -Fi $@'
+ _flags_filter=msvc_flags
+ _ld_lib='lib%.a'
+ _ld_path='-libpath:'
+ _flags='-nologo'
+ _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
+ if [ $pfx = hostcc ]; then
+ append _cflags -Dsnprintf=_snprintf
+ fi
fi
eval ${pfx}_type=\$_type
SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
objformat="win32"
dlltool="${cross_prefix}dlltool"
+ ranlib=:
enable dos_paths
check_cflags -fno-common
- check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
- || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
- die "ERROR: MinGW runtime version must be >= 3.15."
add_cppflags -U__STRICT_ANSI__
;;
cygwin*)
SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
- echo PROTMODE >> $(SUBDIR)$(NAME).def; \
- echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
- echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
- echo EXPORTS >> $(SUBDIR)$(NAME).def; \
- emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
+ echo PROTMODE >> $(SUBDIR)$(NAME).def; \
+ echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
+ echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
+ echo EXPORTS >> $(SUBDIR)$(NAME).def; \
+ emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
- emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
+ emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
enable dos_paths
;;
;;
esac
+# determine libc flavour
+
+if check_cpp_condition features.h "defined __UCLIBC__"; then
+ libc_type=uclibc
+elif check_cpp_condition features.h "defined __GLIBC__"; then
+ libc_type=glibc
+elif check_header _mingw.h; then
+ libc_type=mingw
+ check_cpp_condition _mingw.h \
+ "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
+ (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
+ die "ERROR: MinGW runtime version must be >= 3.15."
+elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
+ libc_type=newlib
+elif check_func_headers stdlib.h _get_doserrno; then
+ libc_type=msvcrt
+ add_cflags -Dstrtod=avpriv_strtod
+ add_cflags -Dsnprintf=avpriv_snprintf \
+ -D_snprintf=avpriv_snprintf \
+ -Dvsnprintf=avpriv_vsnprintf
+elif check_cpp_condition stddef.h "defined __KLIBC__"; then
+ libc_type=klibc
+fi
+
+test -n "$libc_type" && enable $libc_type
+
esc(){
echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
}
sym=$($nm $nm_opts $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 && enable_weak inline_asm
void foo(void) { __asm__ volatile ("" ::); }
EOF
enabled vis &&
check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
- add_cflags -mcpu=ultrasparc -mtune=ultrasparc
+ add_cflags -mcpu=ultrasparc -mtune=ultrasparc
elif enabled x86; then
- check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
+ check_code ld immintrin.h "return __xgetbv(0)" && enable xgetbv
check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
check_code ld intrin.h "__rdtsc()" && enable rdtsc
check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
# if the base pointer is used to access it because the
# base pointer is cleared in the inline assembly code.
check_exec_crash <<EOF && enable ebp_available
- volatile int i=0;
- __asm__ volatile (
- "xorl %%ebp, %%ebp"
- ::: "%ebp");
- return i;
+volatile int i=0;
+__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
+return i;
EOF
# check whether EBX is available on x86
check_func_headers windows.h Sleep
check_func_headers windows.h VirtualAlloc
+check_header direct.h
check_header dlfcn.h
check_header dxva.h
check_header dxva2api.h
fi
if ! disabled vdpau && enabled vdpau_vdpau_h; then
-check_cpp_condition \
- vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
- { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
- disable vdpau; }
+ check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
+ { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
fi
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
add_cflags -pds=824 -pds=837
elif enabled pathscale; then
add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
+elif enabled msvc; then
+ enabled x86_32 && disable aligned_stack
fi
enabled_any $THREADS_LIST && enable threads
# build pkg-config files
pkgconfig_generate(){
-name=$1
-shortname=${name#lib}${build_suffix}
-comment=$2
-version=$3
-libs=$4
-requires=$5
-enabled ${name#lib} || return 0
-mkdir -p $name
-cat <<EOF > $name/$name.pc
+ name=$1
+ shortname=${name#lib}${build_suffix}
+ comment=$2
+ version=$3
+ libs=$4
+ requires=$5
+ enabled ${name#lib} || return 0
+ mkdir -p $name
+ cat <<EOF > $name/$name.pc
prefix=$prefix
exec_prefix=\${prefix}
libdir=$libdir
Libs.private: $(enabled shared && echo $libs)
Cflags: -I\${includedir}
EOF
-cat <<EOF > $name/$name-uninstalled.pc
+ cat <<EOF > $name/$name-uninstalled.pc
prefix=
exec_prefix=
libdir=\${pcfiledir}
projects / ffmpeg / blobdiff