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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@coreboot.org>
Reviewed-on: http://review.coreboot.org/10827
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins)
This commit is contained in:
Stefan Reinauer 2015-07-07 21:31:55 +02:00
parent 0fa5d8f219
commit 9eb6180963
1 changed files with 4 additions and 0 deletions
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4
src/include/stddef.h
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@ -32,9 +32,13 @@ typedef unsigned int wint_t;
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#if !defined(__clang__)
#define check_member(structure, member, offset) _Static_assert( \ #define check_member(structure, member, offset) _Static_assert( \
offsetof(struct structure, member) == offset, \ offsetof(struct structure, member) == offset, \
"`struct " #structure "` offset for `" #member "` is not " #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 * container_of - cast a member of a structure out to the containing structure