diff options
| author | Be <be@mixxx.org> | 2020-11-13 14:51:17 -0600 |
|---|---|---|
| committer | Be <be@mixxx.org> | 2020-11-14 16:20:44 -0600 |
| commit | c6e3278a5e6152ed6aee19b96c2ad12a4ce60884 (patch) | |
| tree | d8ed6a02bf9a4553e68f33af3cfb1bc3ce3fa64d /lib | |
| parent | e8d53072e489f061f9339f67ab59b386c779b7cd (diff) | |
SPSCQueue: hack around libc++ bug on macOS
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/rigtorp/SPSCQueue/include/rigtorp/SPSCQueue.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/rigtorp/SPSCQueue/include/rigtorp/SPSCQueue.h b/lib/rigtorp/SPSCQueue/include/rigtorp/SPSCQueue.h index b2bb56f9cf..d09f0d3f10 100644 --- a/lib/rigtorp/SPSCQueue/include/rigtorp/SPSCQueue.h +++ b/lib/rigtorp/SPSCQueue/include/rigtorp/SPSCQueue.h @@ -186,7 +186,10 @@ public: size_t capacity() const noexcept { return capacity_ - 1; } private: -#ifdef __cpp_lib_hardware_interference_size +// on macOS there is a bug in libc++ where __cpp_lib_hardware_interference_size +// is defined but std::hardware_destructive_interference_size is not actually implemented +// https://bugs.llvm.org/show_bug.cgi?id=41423 +#if defined(__cpp_lib_hardware_interference_size) && ! defined(__APPLE__) static constexpr size_t kCacheLineSize = std::hardware_destructive_interference_size; #else |