Unconditionally use static_assert.

This commit is contained in:
Jonathan G Rennison
2016-09-05 01:15:09 +01:00
parent 2fe7571034
commit 51099c3572

View File

@@ -361,21 +361,8 @@ typedef unsigned char byte;
#define PERSONAL_DIR ""
#endif
/* Compile time assertions. Prefer c++0x static_assert().
* Older compilers cannot evaluate some expressions at compile time,
* typically when templates are involved, try assert_tcompile() in those cases. */
#if defined(__STDCXX_VERSION__) || defined(__GXX_EXPERIMENTAL_CXX0X__) || defined(__GXX_EXPERIMENTAL_CPP0X__) || defined(static_assert)
/* __STDCXX_VERSION__ is c++0x feature macro, __GXX_EXPERIMENTAL_CXX0X__ is used by gcc, __GXX_EXPERIMENTAL_CPP0X__ by icc */
#define assert_compile(expr) static_assert(expr, #expr )
#define assert_tcompile(expr) assert_compile(expr)
#elif defined(__OS2__)
/* Disabled for OS/2 */
#define assert_compile(expr)
#define assert_tcompile(expr) assert_compile(expr)
#else
#define assert_compile(expr) typedef int __ct_assert__[1 - 2 * !(expr)]
#define assert_tcompile(expr) assert(expr)
#endif
#define assert_compile(expr) static_assert(expr, #expr )
#define assert_tcompile(expr) assert_compile(expr)
/* Check if the types have the bitsizes like we are using them */
assert_compile(sizeof(uint64) == 8);