From b49fa616d47a39193c59d610964276ddb1df732a Mon Sep 17 00:00:00 2001 From: Misha Brukman Date: Tue, 16 Dec 2003 22:57:30 +0000 Subject: [PATCH] Disable __attribute__((weak)) on Mac OS X and other lame platforms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10489 91177308-0d34-0410-b5e6-96231b3b80d8 --- runtime/GCCLibraries/libc/memory.c | 25 ++++++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) diff --git a/runtime/GCCLibraries/libc/memory.c b/runtime/GCCLibraries/libc/memory.c index a839832d1ce..64aef89094a 100644 --- a/runtime/GCCLibraries/libc/memory.c +++ b/runtime/GCCLibraries/libc/memory.c @@ -2,14 +2,29 @@ // // A lot of this code is ripped gratuitously from glibc and libiberty. // -//===----------------------------------------------------------------------===// +//===---------------------------------------------------------------------===// #include -void *malloc(size_t) __attribute__((weak)); -void free(void *) __attribute__((weak)); -void *memset(void *, int, size_t) __attribute__((weak)); -void *calloc(size_t nelem, size_t elsize) __attribute__((weak)); +// If we're not being compiled with GCC, turn off attributes. Question is how +// to handle overriding of memory allocation functions in that case. +#ifndef __GNUC__ +#define __attribute__(X) +#endif + +// For now, turn off the weak linkage attribute on Mac OS X. +#if defined(__GNUC__) && defined(__APPLE_CC__) +#define __ATTRIBUTE_WEAK__ +#elif defined(__GNUC__) +#define __ATTRIBUTE_WEAK__ __attribute__((weak)) +#else +#define __ATTRIBUTE_WEAK__ +#endif + +void *malloc(size_t) __ATTRIBUTE_WEAK__; +void free(void *) __ATTRIBUTE_WEAK__; +void *memset(void *, int, size_t) __ATTRIBUTE_WEAK__; +void *calloc(size_t nelem, size_t elsize) __ATTRIBUTE_WEAK__; void *calloc(size_t nelem, size_t elsize) { void *Result = malloc(nelem*elsize);