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Diffstat (limited to 'xorg-server/include/misc.h')
-rw-r--r--xorg-server/include/misc.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/xorg-server/include/misc.h b/xorg-server/include/misc.h
index 1fd24ffa6..79549e714 100644
--- a/xorg-server/include/misc.h
+++ b/xorg-server/include/misc.h
@@ -266,13 +266,15 @@ version_compare(uint16_t a_major, uint16_t a_minor,
#define SwapRestL(stuff) \
SwapLongs((CARD32 *)(stuff + 1), LengthRestL(stuff))
-#ifdef __GNUC__
+#if defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
void __attribute__((error("wrong sized variable passed to swap"))) wrong_size(void);
#else
static inline void wrong_size(void)
{
}
+#endif
+#if !(defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C < 0x590)))
static inline int __builtin_constant_p(int x)
{
return 0;
@@ -282,7 +284,7 @@ static inline int __builtin_constant_p(int x)
/* byte swap a 32-bit value */
static inline void swap_uint32(uint32_t *x)
{
- char n = ((char *) &x)[0];
+ char n = ((char *) x)[0];
((char *) x)[0] = ((char *) x)[3];
((char *) x)[3] = n;
n = ((char *) x)[1];