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authorakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-05-07 03:09:15 (GMT)
committerakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-05-07 03:09:15 (GMT)
commit570015a18b38792f3ced4c1d53945fd46d3ebe17 (patch)
tree3c119cd9030d69351aab5326ca276536490854a9 /pack.c
parent9e08404b8a60487ab0d5ba9643a2e02f05d76310 (diff)
* pack.c (swap32): Don't redefine it if it is already defined.
Bionic defines it. (swap64): Ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40594 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'pack.c')
-rw-r--r--pack.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/pack.c b/pack.c
index 1300e43..644ffd9 100644
--- a/pack.c
+++ b/pack.c
@@ -100,9 +100,16 @@ TOKEN_PASTE(swap,x)(xtype z) \
return r; \
}
-#if GCC_VERSION_SINCE(4,3,0)
-# define swap32(x) __builtin_bswap32(x)
-# define swap64(x) __builtin_bswap64(x)
+#ifndef swap32
+# if GCC_VERSION_SINCE(4,3,0)
+# define swap32(x) __builtin_bswap32(x)
+# endif
+#endif
+
+#ifndef swap64
+# if GCC_VERSION_SINCE(4,3,0)
+# define swap64(x) __builtin_bswap64(x)
+# endif
#endif
#ifndef swap16