X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/467d703eadd1578f93544bb5a7b6e40685a3b8ac..717145c1a3302f4a20746dce8c885ee590e0f0e2:/src/config.h

diff --git a/src/config.h b/src/config.h
index 323a3ddd..136fd40c 100644
--- a/src/config.h
+++ b/src/config.h
@@ -59,10 +59,11 @@
 #define	BIG_ENDIAN	4321	/* most-significant byte first (IBM, net) */
 #define	PDP_ENDIAN	3412	/* LSB first in word, MSW first in long (pdp)*/
 
-#if defined(vax) || defined(ns32000) || defined(sun386) || defined(__i386__) || \
-    defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
-    defined(__alpha__) || defined(__alpha)
-#define BYTE_ORDER	LITTLE_ENDIAN
+#if defined(__i386__) || defined(__x86_64__) || defined(__amd64__) || \
+   defined(vax) || defined(ns32000) || defined(sun386) || \
+   defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
+   defined(__alpha__) || defined(__alpha)
+#define BYTE_ORDER    LITTLE_ENDIAN
 #endif
 
 #if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
@@ -96,4 +97,12 @@
 #error "Undefined or invalid BYTE_ORDER"
 #endif
 
+#if (__i386 || __amd64) && __GNUC__
+#define GNUC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
+#if GNUC_VERSION >= 40100
+#define HAVE_ATOMIC
+#endif
+#endif
+
+
 #endif