diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/c.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/include/c.h b/src/include/c.h index 2b45e6d6ca7..c8ede082739 100644 --- a/src/include/c.h +++ b/src/include/c.h @@ -1335,14 +1335,21 @@ extern unsigned long long strtoull(const char *str, char **endptr, int base); /* * When there is no sigsetjmp, its functionality is provided by plain - * setjmp. Incidentally, nothing provides setjmp's functionality in - * that case. We now support the case only on Windows. + * setjmp. We now support the case only on Windows. However, it seems + * that MinGW-64 has some longstanding issues in its setjmp support, + * so on that toolchain we cheat and use gcc's builtins. */ #ifdef WIN32 +#ifdef __MINGW64__ +typedef intptr_t sigjmp_buf[5]; +#define sigsetjmp(x,y) __builtin_setjmp(x) +#define siglongjmp __builtin_longjmp +#else /* !__MINGW64__ */ #define sigjmp_buf jmp_buf #define sigsetjmp(x,y) setjmp(x) #define siglongjmp longjmp -#endif +#endif /* __MINGW64__ */ +#endif /* WIN32 */ /* EXEC_BACKEND defines */ #ifdef EXEC_BACKEND |