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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-10-12 16:15:04 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-10-12 16:15:04 +0000
commitbad5b1ec8e5d2b68be2c0fd33db2094942e6b685 (patch)
tree02b7b8b596b9492f1b59872da2d41b445906bf6b /osdep.h
parentOnly use __builtin_* with GCC >= 3.4 (diff)
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Define macro QEMU_GNUC_PREREQ and use it
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5467 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'osdep.h')
-rw-r--r--osdep.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/osdep.h b/osdep.h
index 9e8547cea..87f024b12 100644
--- a/osdep.h
+++ b/osdep.h
@@ -62,6 +62,13 @@
#define qemu_printf printf
+#if defined (__GNUC__) && defined (__GNUC_MINOR_)
+# define QEMU_GNUC_PREREQ(maj, min) \
+ ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+#else
+# define QEMU_GNUC_PREREQ(maj, min) 0
+#endif
+
void *qemu_memalign(size_t alignment, size_t size);
void *qemu_vmalloc(size_t size);
void qemu_vfree(void *ptr);