From 7f98a8b9726354a25f9aa66f243ab2671cd6bcee Mon Sep 17 00:00:00 2001
From: Sergey Fedorov <vital.had@gmail.com>
Date: Sun, 6 Nov 2022 18:48:02 +0800
Subject: [PATCH] Fix definitions for Darwin PPC; do not use pthread_setname_np
 on unsupported OS versions (#1797)

* Correct define for Darwin PPC is __POWERPC__

* util.cpp: do not use pthread_setname_np on unsupported macOS versions
---
 build/cmake_modules/TargetArch.cmake |  2 +-
 libi2pd/util.cpp                     | 12 +++++++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/build/cmake_modules/TargetArch.cmake b/build/cmake_modules/TargetArch.cmake
index d9ebe7c9..ac7275b1 100644
--- a/build/cmake_modules/TargetArch.cmake
+++ b/build/cmake_modules/TargetArch.cmake
@@ -61,7 +61,7 @@ set(archdetect_c_code "
     #else
         #error cmake_ARCH mips
     #endif
-#elif defined(__ppc__) || defined(__ppc) || defined(__powerpc__) \\
+#elif defined(__ppc__) || defined(__ppc) || defined(__powerpc__) || defined(__POWERPC__) \\
       || defined(_ARCH_COM) || defined(_ARCH_PWR) || defined(_ARCH_PPC)  \\
       || defined(_M_MPPC) || defined(_M_PPC)
     #if defined(__ppc64__) || defined(__powerpc64__) || defined(__64BIT__)
diff --git a/libi2pd/util.cpp b/libi2pd/util.cpp
index 10de346f..b8234b39 100644
--- a/libi2pd/util.cpp
+++ b/libi2pd/util.cpp
@@ -22,6 +22,9 @@
 #include <pthread_np.h>
 #endif
 
+#if defined(__APPLE__)
+# include <AvailabilityMacros.h>
+#endif
 
 #ifdef _WIN32
 #include <stdlib.h>
@@ -143,8 +146,15 @@ namespace util
 	}
 
 	void SetThreadName (const char *name) {
-#if defined(__APPLE__) && !defined(__powerpc__)
+#if defined(__APPLE__)
+# if (!defined(MAC_OS_X_VERSION_10_6) || \
+		(MAC_OS_X_VERSION_MAX_ALLOWED < 1060) || \
+		defined(__POWERPC__))
+		/* pthread_setname_np is not there on <10.6 and all PPC.
+		So do nothing. */
+# else
 		pthread_setname_np((char*)name);
+# endif
 #elif defined(__FreeBSD__) || defined(__OpenBSD__)
 		pthread_set_name_np(pthread_self(), name);
 #elif defined(__NetBSD__)