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- --- a/configure
- +++ b/configure
- @@ -3791,20 +3791,20 @@ cws2fws_extralibs="zlib_extralibs"
-
- # libraries, in any order
- avcodec_deps="avutil"
- -avcodec_suggest="libm"
- +avcodec_suggest="libm stdatomic"
- avdevice_deps="avformat avcodec avutil"
- -avdevice_suggest="libm"
- +avdevice_suggest="libm stdatomic"
- avfilter_deps="avutil"
- -avfilter_suggest="libm"
- +avfilter_suggest="libm stdatomic"
- avformat_deps="avcodec avutil"
- -avformat_suggest="libm network zlib"
- -avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi vulkan videotoolbox corefoundation corevideo coremedia bcrypt"
- +avformat_suggest="libm network zlib stdatomic"
- +avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi vulkan videotoolbox corefoundation corevideo coremedia bcrypt stdatomic"
- postproc_deps="avutil gpl"
- -postproc_suggest="libm"
- +postproc_suggest="libm stdatomic"
- swresample_deps="avutil"
- -swresample_suggest="libm libsoxr"
- +swresample_suggest="libm libsoxr stdatomic"
- swscale_deps="avutil"
- -swscale_suggest="libm"
- +swscale_suggest="libm stdatomic"
-
- avcodec_extralibs="pthreads_extralibs iconv_extralibs dxva2_extralibs"
- avfilter_extralibs="pthreads_extralibs"
- @@ -6321,7 +6321,14 @@ check_headers asm/types.h
- # it seems there are versions of clang in some distros that try to use the
- # gcc headers, which explodes for stdatomic
- # so we also check that atomics actually work here
- -check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"
- +#
- +# some configurations also require linking to libatomic, so try
- +# both with -latomic and without
- +for LATOMIC in "-latomic" ""; do
- + check_builtin stdatomic stdatomic.h \
- + "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar" \
- + $LATOMIC && eval stdatomic_extralibs="\$LATOMIC" && break
- +done
-
- check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
- check_lib bcrypt "windows.h bcrypt.h" BCryptGenRandom -lbcrypt &&
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