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| author | Alessandro Ghedini <alessandro@ghedini.me> | 2013-12-30 16:30:30 +0100 |
|---|---|---|
| committer | wm4 <wm4@nowhere> | 2014-01-01 20:57:06 +0100 |
| commit | 773db053aabfddb72134a363ecb31c1dac0b8c75 (patch) | |
| tree | ec2e0439fcc73ebbb22d6f1d81bc31565b8e8ef1 /old-configure | |
| parent | a8c09d003f3a9d6e00c03fbfa19e0271fcb05d88 (diff) | |
| download | mpv-773db053aabfddb72134a363ecb31c1dac0b8c75.tar.bz2 mpv-773db053aabfddb72134a363ecb31c1dac0b8c75.tar.xz | |
build: check for libatomic and __atomic operations
Add check in old-configure as well. Reformat the check to use a maximum of 80
columns in the wscript.
Signed-off-by: Stefano Pigozzi <stefano.pigozzi@gmail.com>
Diffstat (limited to 'old-configure')
| -rwxr-xr-x | old-configure | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/old-configure b/old-configure index 5a7f1880d7..34c553695b 100755 --- a/old-configure +++ b/old-configure @@ -1329,6 +1329,21 @@ if test "$_pthreads" = no ; then die "Unable to find pthreads support." fi + +echocheck "compiler support for __atomic built-ins" +_atomic=no +for _ld_tmp in "" "-latomic" ; do + statement_check stdint.h 'int64_t test = 0; test = __atomic_add_fetch(&test, 1, __ATOMIC_SEQ_CST)' $_ld_tmp && + libs_mplayer="$libs_mplayer $_ld_tmp" && _atomic=yes && break +done +if test "$_atomic" = yes ; then + def_atomic="#define HAVE_ATOMIC_BUILTINS 1" +else + def_atomic="#define HAVE_ATOMIC_BUILTINS 0" +fi +echores "$_atomic" + + if test "$_pthreads" = yes ; then # Cargo-cult for -lrt, which is needed on not so recent glibc version for @@ -3521,6 +3536,7 @@ $def_avresample_has_set_channel_mapping $def_fast_64bit $def_pthreads +$def_atomic #define HAVE_INLINE_ASM 1 |