diff options
| author | Andrea Canciani <ranma42@gmail.com> | 2010-04-28 17:23:47 +0200 |
|---|---|---|
| committer | Andrea Canciani <ranma42@gmail.com> | 2010-04-29 10:52:48 +0200 |
| commit | 248af38b3efa3f96225eea43f4ba5b94baff34a6 (patch) | |
| tree | e47b1d5bc644d021a6f483934248b50c04fab761 /build | |
| parent | 56a367a1626b2b7ec3d9e64e74f016867f294a34 (diff) | |
atomic: Add MacOSX atomic implementation
Enable atomic operation on MacOS X, using the functions provided by
libkern/OSAtomic.h
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'build')
| -rw-r--r-- | build/aclocal.cairo.m4 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/build/aclocal.cairo.m4 b/build/aclocal.cairo.m4 index 482763eb..f271ccf9 100644 --- a/build/aclocal.cairo.m4 +++ b/build/aclocal.cairo.m4 @@ -174,6 +174,11 @@ int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i AC_CHECK_HEADER([atomic_ops.h], cairo_cv_atomic_primitives="libatomic-ops") fi + + if test "x$cairo_cv_atomic_primitives" = "xnone"; then + AC_CHECK_HEADER([libkern/OSAtomic.h], + cairo_cv_atomic_primitives="OSAtomic") + fi ]) if test "x$cairo_cv_atomic_primitives" = xIntel; then AC_DEFINE(HAVE_INTEL_ATOMIC_PRIMITIVES, 1, @@ -184,6 +189,11 @@ int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed]) fi + + if test "x$cairo_cv_atomic_primitives" = xOSAtomic; then + AC_DEFINE(HAVE_OS_ATOMIC_OPS, 1, + [Enable if you have MacOS X atomic operations]) + fi ]) dnl Usage: |