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authorAlessandro Ghedini <alessandro@ghedini.me>2013-12-30 16:30:30 +0100
committerStefano Pigozzi <stefano.pigozzi@gmail.com>2013-12-31 10:53:36 +0100
commite19060d89f219fda16d3bd86e2b3db472f884c98 (patch)
treeb9b8a6a2b026b11e12e43b26e972005e6ecf1f37 /old-configure
parent548aa811960fa43a5fdf655719fa5065ec4f2f50 (diff)
downloadmpv-e19060d89f219fda16d3bd86e2b3db472f884c98.tar.bz2
mpv-e19060d89f219fda16d3bd86e2b3db472f884c98.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-xold-configure16
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