X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/mLib/blobdiff_plain/67b5031ec6d160b5cae425466a34d1be3b211dd4..c91413e6acbc8d157ff52ceb8cd78cee97403584:/utils/bits.h?ds=sidebyside

diff --git a/utils/bits.h b/utils/bits.h
index 656eee5..4d1d61a 100644
--- a/utils/bits.h
+++ b/utils/bits.h
@@ -320,13 +320,13 @@ typedef unsigned char octet, uint8;
 
 /* --- Endianness swapping --- */
 
-#if GCC_VERSION_P(4, 8)
+#if GCC_VERSION_P(4, 8) || CLANG_VERSION_P(3, 2)
 #  define ENDSWAP16(x) ((uint16)__builtin_bswap16(x))
 #endif
-#if GCC_VERSION_P(4, 3)
+#if GCC_VERSION_P(4, 3) || CLANG_VERSION_P(3, 2)
 #  define ENDSWAP32(x) ((uint32)__builtin_bswap32(x))
 #endif
-#if GCC_VERSION_P(4, 3) && defined(HAVE_UINT64)
+#if (GCC_VERSION_P(4, 3) || CLANG_VERSION_P(3, 2)) && defined(HAVE_UINT64)
 #  define ENDSWAP64(x) ((uint64)__builtin_bswap64(x))
 #endif
 
@@ -427,7 +427,7 @@ typedef unsigned char octet, uint8;
 
 /* --- Unaligned access (GCC-specific) --- */
 
-#if GCC_VERSION_P(3, 3) && CHAR_BIT == 8
+#if (GCC_VERSION_P(3, 3) || CLANG_VERSION_P(3, 0)) && CHAR_BIT == 8
 #  define MLIB_MISALIGNED __attribute__((aligned(1), may_alias))
 #  if __SIZEOF_SHORT__ == 2
      typedef MLIB_MISALIGNED unsigned short misaligned_uint16;