diff options
| -rw-r--r-- | include/platform.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/include/platform.h b/include/platform.h index c987d418c..6c7d03dc7 100644 --- a/include/platform.h +++ b/include/platform.h @@ -108,13 +108,18 @@ * and/or smaller by using modified ABI. It is usually only needed * on non-static, busybox internal functions. Recent versions of gcc * optimize statics automatically. FAST_FUNC on static is required - * only if you need to match a function pointer's type */ -#if __GNUC_PREREQ(3,0) && defined(i386) /* || defined(__x86_64__)? */ + * only if you need to match a function pointer's type. + * FAST_FUNC may not work well with -flto so allow user to disable this. + * (-DFAST_FUNC= ) + */ +#ifndef FAST_FUNC +# if __GNUC_PREREQ(3,0) && defined(i386) /* stdcall makes callee to pop arguments from stack, not caller */ -# define FAST_FUNC __attribute__((regparm(3),stdcall)) +# define FAST_FUNC __attribute__((regparm(3),stdcall)) /* #elif ... - add your favorite arch today! */ -#else -# define FAST_FUNC +# else +# define FAST_FUNC +# endif #endif /* Make all declarations hidden (-fvisibility flag only affects definitions) */ |