diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2016-12-02 19:20:10 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2016-12-02 19:20:10 +0000 |
| commit | 2cf3bd4601bbc6fc1f3ffe845eb57c2da2dff02c (patch) | |
| tree | 6c704a1a1c04abaaf72aa6d9a019103c822f0c3e /include/llvm/Support/Threading.h | |
| parent | 6449741f4c1842221757c062f4abbae7bb524ba9 (diff) | |
Notes
Diffstat (limited to 'include/llvm/Support/Threading.h')
| -rw-r--r-- | include/llvm/Support/Threading.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/include/llvm/Support/Threading.h b/include/llvm/Support/Threading.h index 09b96dfb4c1c..fe407b725314 100644 --- a/include/llvm/Support/Threading.h +++ b/include/llvm/Support/Threading.h @@ -20,11 +20,11 @@ #include <ciso646> // So we can check the C++ standard lib macros. #include <functional> -// We use std::call_once on all Unix platforms except for NetBSD with -// libstdc++. That platform has a bug they are working to fix, and they'll -// remove the NetBSD checks once fixed. -#if defined(LLVM_ON_UNIX) && \ - !(defined(__NetBSD__) && !defined(_LIBCPP_VERSION)) && !defined(__ppc__) +// std::call_once from libc++ is used on all Unix platforms. Other +// implementations like libstdc++ are known to have problems on NetBSD, +// OpenBSD and PowerPC. +#if defined(LLVM_ON_UNIX) && (defined(_LIBCPP_VERSION) || \ + !(defined(__NetBSD__) || defined(__OpenBSD__) || defined(__ppc__))) #define LLVM_THREADING_USE_STD_CALL_ONCE 1 #else #define LLVM_THREADING_USE_STD_CALL_ONCE 0 |