diff options
| author | Chris Robinson <[email protected]> | 2014-11-07 19:40:11 -0800 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2014-11-07 19:43:14 -0800 |
| commit | 907cd3dd01098c5b7437173b5f800ecdf03946bb (patch) | |
| tree | e88e0f4d52baeae38693b22e9fe94541511ec9e6 | |
| parent | b34a374fa7801b64fddcfd1fa57188fb5f5303a8 (diff) | |
Add a workaround for compilers without __COUNTER__
This can make GCC pretty noisey, complaining "declaration does not declare
anything" for each static_assert, but it should still function on such older
compilers.
| -rw-r--r-- | include/static_assert.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/static_assert.h b/include/static_assert.h index 65283cf0..12a095a3 100644 --- a/include/static_assert.h +++ b/include/static_assert.h @@ -7,10 +7,12 @@ #ifndef static_assert #ifdef HAVE_C11_STATIC_ASSERT #define static_assert _Static_assert -#else +#elif defined(__COUNTER__) #define CTASTR2(_pre,_post) _pre##_post #define CTASTR(_pre,_post) CTASTR2(_pre,_post) #define static_assert(_cond, _msg) typedef struct { int CTASTR(static_assert_failed_at_line_,__LINE__) : !!(_cond); } CTASTR(static_assertion_,__COUNTER__) +#else +#define static_assert(_cond, _msg) struct { int CTASTR(static_assert_failed_at_line_,__LINE__) : !!(_cond); } #endif #endif |