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| author | Douglas Gregor <dgregor@apple.com> | 2009-11-16 16:56:48 +0000 |
|---|---|---|
| committer | Douglas Gregor <dgregor@apple.com> | 2009-11-16 16:56:48 +0000 |
| commit | 1546b11140e0b439856f363c37285e0608394f18 (patch) | |
| tree | e3f7758c8e51a3ec82ed32bbc5aea7c7023aacde | |
| parent | 4007324b58db24b0d358445a0a866a9047dac75e (diff) | |
| download | external_llvm-1546b11140e0b439856f363c37285e0608394f18.zip external_llvm-1546b11140e0b439856f363c37285e0608394f18.tar.gz external_llvm-1546b11140e0b439856f363c37285e0608394f18.tar.bz2 | |
Make ERROR_IF_USED macro work with GCC <= 4.2, Apple GCCs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88916 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/llvm/Support/Compiler.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h index cce652f..5c414f8 100644 --- a/include/llvm/Support/Compiler.h +++ b/include/llvm/Support/Compiler.h @@ -78,8 +78,10 @@ #define NORETURN #endif -#ifdef __GNUC__ +#if defined(__GNUC__) && ((__GNUC__ > 4)||(__GNUC__ == 4 && __GNUC_MINOR__ > 2)) #define ERROR_IF_USED __attribute__((error("wrong usage"))) +#elif defined(__APPLE__) +#define ERROR_IF_USED __attribute__((unavailable)) #else #define ERROR_IF_USED #endif |