spdlog0: backport upstream fix for old systems

devel/spdlog0/Portfile

@@ -26,4 +26,7 @@ github.tarball_from archive
 supported_archs     noarch
 compiler.cxx_standard   2011
 
+# Backport of https://github.com/gabime/spdlog/commit/c65aa4e4889939c1afa82001db349cac237a13f8
+patchfiles          patch-pthread.diff
+
 livecheck.type      none

devel/spdlog0/files/patch-pthread.diff

@@ -0,0 +1,32 @@
+--- include/spdlog/details/os.h	2018-05-22 01:38:13.000000000 +0800
++++ include/spdlog/details/os.h	2024-08-25 09:14:56.000000000 +0800
+@@ -49,6 +49,10 @@
+
+ #endif // unix
+
++#if defined __APPLE__
++#include <AvailabilityMacros.h>
++#endif
++
+ #ifndef __has_feature      // Clang - feature checking macros.
+ #define __has_feature(x) 0 // Compatibility with non-clang compilers.
+ #endif
+@@ -337,7 +341,17 @@
+     return static_cast<size_t>(tid);
+ #elif __APPLE__
+     uint64_t tid;
+-    pthread_threadid_np(nullptr, &tid);
++#if (MAC_OS_X_VERSION_MAX_ALLOWED < 1060) || defined(__POWERPC__)
++        tid = pthread_mach_thread_np(pthread_self());
++#elif MAC_OS_X_VERSION_MIN_REQUIRED < 1060
++        if (&pthread_threadid_np) {
++            pthread_threadid_np(nullptr, &tid);
++        } else {
++            tid = pthread_mach_thread_np(pthread_self());
++        }
++#else
++        pthread_threadid_np(nullptr, &tid);
++#endif
+     return static_cast<size_t>(tid);
+ #else // Default to standard C++11 (other Unix)
+     return static_cast<size_t>(std::hash<std::thread::id>()(std::this_thread::get_id()));