diff options
Diffstat (limited to 'py/misc.h')
| -rw-r--r-- | py/misc.h | 12 |
1 files changed, 11 insertions, 1 deletions
@@ -67,7 +67,14 @@ typedef unsigned int uint; #define MP_STRINGIFY(x) MP_STRINGIFY_HELPER(x) // Static assertion macro +#if __cplusplus +#define MP_STATIC_ASSERT(cond) static_assert((cond), #cond) +#elif __GNUC__ >= 5 || __STDC_VERSION__ >= 201112L +#define MP_STATIC_ASSERT(cond) _Static_assert((cond), #cond) +#else #define MP_STATIC_ASSERT(cond) ((void)sizeof(char[1 - 2 * !(cond)])) +#endif + // In C++ things like comparing extern const pointers are not constant-expressions so cannot be used // in MP_STATIC_ASSERT. Note that not all possible compiler versions will reject this. Some gcc versions // do, others only with -Werror=vla, msvc always does. @@ -76,7 +83,10 @@ typedef unsigned int uint; #if defined(_MSC_VER) || defined(__cplusplus) #define MP_STATIC_ASSERT_NONCONSTEXPR(cond) ((void)1) #else -#define MP_STATIC_ASSERT_NONCONSTEXPR(cond) MP_STATIC_ASSERT(cond) +#if __clang__ +#pragma GCC diagnostic ignored "-Wgnu-folding-constant" +#endif +#define MP_STATIC_ASSERT_NONCONSTEXPR(cond) ((void)sizeof(char[1 - 2 * !(cond)])) #endif // Round-up integer division |