[Imp] mpt/base/detect_quirks.hpp: Add MPT_LIBCXX_QUIRK_NO_STD_THREAD.

[Ref] mpt/base/detect_quirks.hpp: Rename MPT_COMPILER_QUIRK_COMPLEX_STD_MUTEX to MPT_LIBCXX_QUIRK_COMPLEX_STD_MUTEX.
[Ref] mpt/mutex/mutex.hpp: Base logic on MPT_LIBCXX_QUIRK_NO_STD_THREAD.

git-svn-id: https://source.openmpt.org/svn/openmpt/trunk/OpenMPT@23666 56274372-70c3-4bfc-bfc3-4c3a0b034d27

Author: manxorist

src/mpt/base/detect_quirks.hpp

@@ -115,9 +115,17 @@
 
 
 
+#if !MPT_PLATFORM_MULTITHREADED
+#define MPT_LIBCXX_QUIRK_NO_STD_THREAD
+#elif !MPT_COMPILER_GENERIC && MPT_OS_WINDOWS && MPT_LIBCXX_GNU && !defined(_GLIBCXX_HAS_GTHREADS)
+#define MPT_LIBCXX_QUIRK_NO_STD_THREAD
+#endif
+
+
+
 #if MPT_OS_WINDOWS && MPT_COMPILER_MSVC
 #if MPT_WINNT_AT_LEAST(MPT_WIN_VISTA)
-#define MPT_COMPILER_QUIRK_COMPLEX_STD_MUTEX
+#define MPT_LIBCXX_QUIRK_COMPLEX_STD_MUTEX
 #endif
 #endif
 

src/mpt/mutex/mutex.hpp

@@ -11,9 +11,7 @@
 
 #if !MPT_PLATFORM_MULTITHREADED
 #define MPT_MUTEX_NONE 1
-#elif MPT_COMPILER_GENERIC
-#define MPT_MUTEX_STD 1
-#elif MPT_OS_WINDOWS && MPT_LIBCXX_GNU && !defined(_GLIBCXX_HAS_GTHREADS)
+#elif defined(MPT_LIBCXX_QUIRK_NO_STD_THREAD)
 #define MPT_MUTEX_WIN32 1
 #else
 #define MPT_MUTEX_STD 1
@@ -31,7 +29,7 @@
 
 #if MPT_MUTEX_STD
 #include <mutex>
-#ifdef MPT_COMPILER_QUIRK_COMPLEX_STD_MUTEX
+#ifdef MPT_LIBCXX_QUIRK_COMPLEX_STD_MUTEX
 #include <shared_mutex>
 #include <type_traits>
 #endif
@@ -48,7 +46,7 @@ inline namespace MPT_INLINE_NS {
 
 #if MPT_MUTEX_STD
 
-#ifdef MPT_COMPILER_QUIRK_COMPLEX_STD_MUTEX
+#ifdef MPT_LIBCXX_QUIRK_COMPLEX_STD_MUTEX
 using mutex = std::conditional<sizeof(std::shared_mutex) < sizeof(std::mutex), std::shared_mutex, std::mutex>::type;
 #else
 using mutex = std::mutex;