diff options
| author | eschnett <eschnett@17b73243-c579-4c4c-a9d2-2d5706c11dac> | 2013-05-20 14:44:43 +0000 |
|---|---|---|
| committer | eschnett <eschnett@17b73243-c579-4c4c-a9d2-2d5706c11dac> | 2013-05-20 14:44:43 +0000 |
| commit | 72ced1dca342ab7d6ecab897e6f041f42f39a21b (patch) | |
| tree | b5391d2507e1945c5a8dc4dfe47065ba5e29ae46 /lib/make/cctk_Config.h.in | |
| parent | 6d26c28d3b9562087a41514499cb585df3dd52f0 (diff) | |
Auto-configure static_assert
Check whether static_assert is supported by C++. Define a work-around
if it is not supported.
git-svn-id: http://svn.cactuscode.org/flesh/trunk@5014 17b73243-c579-4c4c-a9d2-2d5706c11dac
Diffstat (limited to 'lib/make/cctk_Config.h.in')
| -rw-r--r-- | lib/make/cctk_Config.h.in | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/make/cctk_Config.h.in b/lib/make/cctk_Config.h.in index 9805c839..2e3a0c48 100644 --- a/lib/make/cctk_Config.h.in +++ b/lib/make/cctk_Config.h.in @@ -595,6 +595,15 @@ typedef enum {false, true} bool; # define CCTK_BUILTIN_UNREACHABLE() CCTK_Abort(0, 1) #endif +/* Whether static_assert exists. */ +#undef HAVE_CCTK_CXX_STATIC_ASSERT +#ifdef HAVE_CCTK_CXX_STATIC_ASSERT +# define CCTK_STATIC_ASSERT(cond,msg) static_assert(cond,msg) +#else +# define CCTK_STATIC_ASSERT(cond,msg) do { typedef int ai[(cond) ? 1 : -1]; } while(0) +# define static_assert(cond,msg) CCTK_STATIC_ASSERT(cond,msg) +#endif + /* Some C++ compilers recognise the restrict keyword */ /* Define to empty if the keyword does not work. */ #ifdef CCTK_DISABLE_RESTRICT |