--disable-fast-unaligned consider unaligned accesses slow
Developer options (useful when working on FFmpeg itself):
- --enable-coverage build with test coverage instrumentation
--disable-debug disable debugging symbols
--enable-debug=LEVEL set the debug level [$debuglevel]
--disable-optimizations disable compiler optimizations
} else if (file ~ /\\.mak\$/) {
n = -v ? \"\" : \"!\";
printf(\"%s%s=yes\\n\", n, c) >>file;
+ } else if (file ~ /\\.texi\$/) {
+ pre = -v ? \"\" : \"@c \";
+ yesno = \$2;
+ c2 = tolower(c);
+ gsub(/_/, \"-\", c2);
+ printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
}
}
}"
os2threads
'
+ATOMICS_LIST='
+ atomics_gcc
+ atomics_win32
+ atomics_suncc
+'
+
ARCH_LIST='
aarch64
alpha
$HAVE_LIST_CMDLINE
$HAVE_LIST_PUB
$THREADS_LIST
+ $ATOMICS_LIST
$MATH_FUNCS
access
aligned_malloc
asm_mod_q
asm_mod_y
asm_types_h
+ atomic_cas_ptr
+ atomics_native
attribute_may_alias
attribute_packed
cdio_paranoia_h
$HAVE_LIST_CMDLINE
$THREADS_LIST
asm
- coverage
cross_compile
debug
extra_warnings
case "$toolchain" in
clang-asan)
cc_default="clang"
- add_cflags -faddress-sanitizer
- add_ldflags -faddress-sanitizer
+ add_cflags -fsanitize=address
+ add_ldflags -fsanitize=address
;;
clang-tsan)
cc_default="clang"
- add_cflags -fthread-sanitizer
- add_ldflags -fthread-sanitizer
+ add_cflags -fsanitize=thread -pie
+ add_ldflags -fsanitize=thread -pie
;;
msvc)
cc_default="c99wrap cl"
ar_default="lib"
target_os_default="win32"
;;
+ gcov)
+ add_cflags -fprofile-arcs -ftest-coverage
+ add_ldflags -fprofile-arcs -ftest-coverage
+ ;;
?*)
die "Unknown toolchain $toolchain"
;;
check_func sched_getaffinity
check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
+check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
check_builtin MemoryBarrier windows.h "MemoryBarrier()"
check_func sysconf
check_func sysctl
check_func pthread_cancel
fi
+enabled sync_val_compare_and_swap && enable atomics_gcc
+enabled machine_rw_barrier && enabled atomic_cas_ptr && enable atomics_suncc
+enabled MemoryBarrier && enable atomics_win32
+
check_lib math.h sin -lm && LIBM="-lm"
disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
enabled vaapi && require vaapi va/va.h vaInitialize -lva
disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
-enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
test -n "$valgrind" && target_exec="$valgrind --error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
# add some useful compiler flags if supported
;;
esac
-enabled_any $THREADS_LIST && enable threads
enable frame_thread_encoder
+enabled_any $THREADS_LIST && enable threads
+enabled_any $ATOMICS_LIST && enable atomics_native
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
echo "License: $license"
-echo "Creating config.mak and config.h..."
+echo "Creating config.mak, config.h, and doc/config.texi..."
test -e Makefile || $ln_s "$source_path/Makefile" .
enabled stripping || strip="echo skipping strip"
-config_files="$TMPH config.mak"
+config_files="$TMPH config.mak doc/config.texi"
cat > config.mak <<EOF
# Automatically generated by configure - do not modify!
printf '' >$TMPASM
fi
+mkdir -p doc
+echo "@c auto-generated by configure" > doc/config.texi
+
print_config ARCH_ "$config_files" $ARCH_LIST
print_config HAVE_ "$config_files" $HAVE_LIST
print_config CONFIG_ "$config_files" $CONFIG_LIST \