[coreboot-gerrit] New patch to review for coreboot: stddef.h: Disable check_member() macro when compiling with CLANG
Stefan Reinauer (stefan.reinauer@coreboot.org)
gerrit at coreboot.org
Tue Jul 7 21:35:29 CEST 2015
Stefan Reinauer (stefan.reinauer at coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/10827
-gerrit
commit 34c7c8d402b9c192ff6bef20c2bf7a5cbec6d586
Author: Stefan Reinauer <stefan.reinauer at coreboot.org>
Date: Tue Jul 7 21:31:55 2015 +0200
stddef.h: Disable check_member() macro when compiling with CLANG
CLANG assumes that _Static_assert() is a C++11 only feature and
errs out when encountering the check_member macro complaining about
a reinterpret_cast.
Change-Id: Id8c6b47b4f5716e6184aec9e0bc4b0e1c7aaf17c
Signed-off-by: Stefan Reinauer <stefan.reinauer at coreboot.org>
---
src/include/stddef.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/include/stddef.h b/src/include/stddef.h
index 3bbf914..f87c65f 100644
--- a/src/include/stddef.h
+++ b/src/include/stddef.h
@@ -32,9 +32,13 @@ typedef unsigned int wint_t;
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#if !defined(__clang__)
#define check_member(structure, member, offset) _Static_assert( \
offsetof(struct structure, member) == offset, \
"`struct " #structure "` offset for `" #member "` is not " #offset )
+#else
+#define check_member(structure, member, offset)
+#endif
/**
* container_of - cast a member of a structure out to the containing structure
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