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author | aldyh <aldyh@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-12-18 15:19:43 +0000 |
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committer | aldyh <aldyh@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-12-18 15:19:43 +0000 |
commit | 576b1370b24f6d3edd9847b3a64c81fdbc32018b (patch) | |
tree | 25ecd732d665c371bdcd93e5a671ac3b556de254 /include | |
parent | a44300123f81d68890d0dd98012c3d9e38c11e81 (diff) | |
download | linaro-gcc-576b1370b24f6d3edd9847b3a64c81fdbc32018b.tar.gz linaro-gcc-576b1370b24f6d3edd9847b3a64c81fdbc32018b.tar.bz2 linaro-gcc-576b1370b24f6d3edd9847b3a64c81fdbc32018b.zip |
PR other/54324
* ansidecl.h (ATTRIBUTE_UNUSED): Do not set __attribute__ for GCC
< 3.4.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194583 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'include')
-rw-r--r-- | include/ChangeLog | 6 | ||||
-rw-r--r-- | include/ansidecl.h | 9 |
2 files changed, 14 insertions, 1 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index ac2b28ed8ff..f3acbfc2124 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,9 @@ +2012-12-18 Aldy Hernandez <aldyh@redhat.com> + + PR other/54324 + * ansidecl.h (ATTRIBUTE_UNUSED): Do not set __attribute__ for GCC + < 3.4. + 2012-11-09 Jason Merrill <jason@redhat.com> * demangle.h (enum demangle_component_type): Add diff --git a/include/ansidecl.h b/include/ansidecl.h index 23d85bf0e16..40f4a5fea42 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 |