On 5/29/2020 8:18 AM, lance.lmw...@gmail.com wrote: > From: Limin Wang <lance.lmw...@gmail.com> > > Signed-off-by: Limin Wang <lance.lmw...@gmail.com> > --- > try to avoid floods of warning message for my testing linux host. If you > have better way, fix it anyway. > > Below is my Linux system information and gcc version: > > [lmwang@vpn2 ffmpeg.git]$ gcc -v > Using built-in specs. > COLLECT_GCC=gcc > COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/4.8.5/lto-wrapper > Target: x86_64-redhat-linux > Configured with: ../configure --prefix=/usr --mandir=/usr/share/man > --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla > --enable-bootstrap --enable-shared --enable-threads=posix > --enable-checking=release --with-system-zlib --enable-__cxa_atexit > --disable-libunwind-exceptions --enable-gnu-unique-object > --enable-linker-build-id --with-linker-hash-style=gnu > --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin > --enable-initfini-array --disable-libgcj > --with-isl=/builddir/build/BUILD/gcc-4.8.5-20150702/obj-x86_64-redhat-linux/isl-install > > --with-cloog=/builddir/build/BUILD/gcc-4.8.5-20150702/obj-x86_64-redhat-linux/cloog-install > --enable-gnu-indirect-function --with-tune=generic --with-arch_32=x86-64 > --build=x86_64-redhat-linux > Thread model: posix > gcc version 4.8.5 20150623 (Red Hat 4.8.5-39) (GCC) > [lmwang@vpn2 ffmpeg.git]$ cat /etc/centos-release > CentOS Linux release 7.4.1708 (Core) > > libavutil/attributes.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavutil/attributes.h b/libavutil/attributes.h > index ab2a1fd..5cb9fe3 100644 > --- a/libavutil/attributes.h > +++ b/libavutil/attributes.h > @@ -37,7 +37,7 @@ > #ifdef __has_builtin > # define AV_HAS_BUILTIN(x) __has_builtin(x) > #else > -# define AV_HAS_BUILTIN(x) false > +# define AV_HAS_BUILTIN(x) 0 > #endif > > #ifndef av_always_inline
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