diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | include/ruby/win32.h | 14 |
2 files changed, 18 insertions, 1 deletions
@@ -1,4 +1,7 @@ -Thu Apr 14 21:21:01 2011 Nobuyoshi Nakada <nobu@ruby-lang.org> +Thu Apr 14 21:21:06 2011 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * include/ruby/win32.h (frexp, modf): wrongly declared as pure in + mingw math.h. * include/ruby/win32.h (ftruncate, truncate): mingw64 misses prototypes. diff --git a/include/ruby/win32.h b/include/ruby/win32.h index cafd7de85f..22c35e6a95 100644 --- a/include/ruby/win32.h +++ b/include/ruby/win32.h @@ -692,6 +692,20 @@ uintptr_t rb_w32_asynchronize(asynchronous_func_t func, uintptr_t self, int argc #pragma GCC visibility pop #endif +#ifdef __MINGW_ATTRIB_PURE +/* get rid of bugs in math.h of mingw */ +#define frexp(_X, _Y) __extension__ ({\ + int *intptr_frexp_bug = (_Y);\ + *intptr_frexp_bug = *intptr_frexp_bug;\ + frexp((_X), intptr_frexp_bug);\ +}) +#define modf(_X, _Y) __extension__ ({\ + double *intptr_modf_bug = (_Y);\ + *intptr_modf_bug = *intptr_modf_bug;\ + modf((_X), intptr_modf_bug);\ +}) +#endif + #if defined(__cplusplus) #if 0 { /* satisfy cc-mode */ |