diff options
| author | DJ Delorie <dj@redhat.com> | 2012-12-18 21:41:27 +0400 |
|---|---|---|
| committer | DJ Delorie <dj@redhat.com> | 2012-12-18 21:41:27 +0400 |
| commit | c91d8a98e3cf55bb1c4284dcce10218b70b58a81 (patch) | |
| tree | 8d51387ead6579bfc5d6aae191aebf5324830195 /include/ansidecl.h | |
| parent | 4effb32b81a408635d4210ac7ce25c236297710a (diff) | |
merge from gcc
Diffstat (limited to 'include/ansidecl.h')
| -rw-r--r-- | include/ansidecl.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/ansidecl.h b/include/ansidecl.h index 23d85bf0e..40f4a5fea 100644 --- a/include/ansidecl.h +++ b/include/ansidecl.h @@ -279,8 +279,15 @@ So instead we use the macro below and test it against specific values. */ # endif #endif +/* Similarly to ARG_UNUSED below. Prior to GCC 3.4, the C++ frontend + couldn't parse attributes placed after the identifier name, and now + the entire compiler is built with C++. */ #ifndef ATTRIBUTE_UNUSED -#define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) +#if GCC_VERSION >= 3004 +# define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) +#else +#define ATTRIBUTE_UNUSED +#endif #endif /* ATTRIBUTE_UNUSED */ /* Before GCC 3.4, the C++ frontend couldn't parse attributes placed after the |