Consolidated powerpc64le machine types, added 32-bit powerpc machine type and a flag to disable use of Linux capabilities

make-linux.mk

@@ -79,7 +79,7 @@ endif
 ifeq ($(ZT_SYNOLOGY), 1)
 	override CFLAGS+=-fPIC
 	override CXXFLAGS+=-fPIC
-        override DEFS+=-D__SYNOLOGY__
+	override DEFS+=-D__SYNOLOGY__
 endif
 
 ifeq ($(ZT_TRACE),1)
@@ -111,6 +111,12 @@ ifeq ($(CC_MACH),amd64)
 endif
 ifeq ($(CC_MACH),powerpc64le)
 	ZT_ARCHITECTURE=8
+	override DEFS+=-DZT_NO_TYPE_PUNNING
+endif
+ifeq ($(CC_MACH),powerpc)
+	ZT_ARCHITECTURE=8
+	override DEFS+=-DZT_NO_TYPE_PUNNING
+	override DEFS+=-DZT_NO_CAPABILITIES
 endif
 ifeq ($(CC_MACH),ppc64le)
 	ZT_ARCHITECTURE=8
@@ -199,10 +205,6 @@ ifeq ($(CC_MACH),mips64el)
 	ZT_ARCHITECTURE=6
 	override DEFS+=-DZT_NO_TYPE_PUNNING
 endif
-ifeq ($(CC_MACH),powerpc64le)
-	ZT_ARCHITECTURE=7
-	override DEFS+=-DZT_NO_TYPE_PUNNING
-endif
 
 # Fail if system architecture could not be determined
 ifeq ($(ZT_ARCHITECTURE),999)

one.cpp

@@ -972,7 +972,7 @@ static void _sighandlerQuit(int sig)
 #endif
 
 // Drop privileges on Linux, if supported by libc etc. and "zerotier-one" user exists on system
-#ifdef __LINUX__
+#if defined(__LINUX__) && !defined(ZT_NO_CAPABILITIES)
 #ifndef PR_CAP_AMBIENT
 #define PR_CAP_AMBIENT 47
 #define PR_CAP_AMBIENT_IS_SET 1