X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Fuatomic_arch_x86.h;fp=urcu%2Fuatomic_arch_x86.h;h=39ec407e58c0612458ffc82209e20fc711dec0fd;hp=dfb58763a37259b88a8962f9bd607767d5c59a3a;hb=618c4ae180e1d9406bcad808cd0cb88addc992a1;hpb=bcb9d2bfa5a2b397d81c46e135b88bc94b99ca0f

diff --git a/urcu/uatomic_arch_x86.h b/urcu/uatomic_arch_x86.h
index dfb5876..39ec407 100644
--- a/urcu/uatomic_arch_x86.h
+++ b/urcu/uatomic_arch_x86.h
@@ -22,6 +22,14 @@
 
 #include <urcu/compiler.h>
 
+#ifndef __SIZEOF_LONG__
+#if defined(__x86_64__) || defined(__amd64__)
+#define __SIZEOF_LONG__ 8
+#else
+#define __SIZEOF_LONG__ 4
+#endif
+#endif
+
 #ifndef BITS_PER_LONG
 #define BITS_PER_LONG	(__SIZEOF_LONG__ * 8)
 #endif