X-Git-Url: http://git.liburcu.org/?p=userspace-rcu.git;a=blobdiff_plain;f=urcu%2Fcompiler.h;h=074e70026a056cab15d1b05b7537ac333c2daedf;hp=0032b60cf67b64ee9bb349efdfaf17e8c34aba3a;hb=b52a3dc23521f7a21fb5ab3d2b53dad89c586ee4;hpb=22731b1993177a83bf5fbefde65c949df9c0ed22

diff --git a/urcu/compiler.h b/urcu/compiler.h
index 0032b60..074e700 100644
--- a/urcu/compiler.h
+++ b/urcu/compiler.h
@@ -96,4 +96,23 @@
 		(unsigned long) (long) (v) :	\
 		(unsigned long) (v))
 
+/*
+ * Don't allow compiling with buggy compiler.
+ */
+
+#ifdef __GNUC__
+# define URCU_GCC_VERSION	(__GNUC__ * 10000 \
+				+ __GNUC_MINOR__ * 100 \
+				+ __GNUC_PATCHLEVEL__)
+
+/*
+ * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
+ */
+# ifdef __ARMEL__
+#  if URCU_GCC_VERSION >= 40800 && URCU_GCC_VERSION <= 40802
+#   error Your gcc version produces clobbered frame accesses
+#  endif
+# endif
+#endif
+
 #endif /* _URCU_COMPILER_H */