Allow linking against system libraries for almost everything (#1790)

src/archutils/Unix/Backtrace.cpp

@@ -441,7 +441,7 @@ static bool GetRegionInfo( mach_port_t self, const void *address, vm_address_t &
 	mach_port_t unused;
 	vm_size_t size = 0;
 	vm_address_t start = vm_address_t( address );
-	kern_return_t ret = vm_region( self, &start, &size, VM_REGION_BASIC_INFO_64,
+	kern_return_t ret = vm_region_64( self, &start, &size, VM_REGION_BASIC_INFO_64,
 				       (vm_region_info_t)&info, &infoCnt, &unused );
 	
 	if( ret != KERN_SUCCESS ||

src/archutils/Unix/Backtrace.h

@@ -9,7 +9,7 @@ struct Frame;
 /* This contains the information necessary to backtrace a thread. */
 struct BacktraceContext
 {
-#if defined(CPU_X86) || defined(CPU_X86_64)
+#if defined(CPU_X86) || defined(CPU_X86_64) || defined(__APPLE__)
 	const void *ip, *bp, *sp;
 #endif
 
@@ -56,7 +56,7 @@ void GetSignalBacktraceContext( BacktraceContext *ctx, const ucontext_t *uc );
  * @author Glenn Maynard (c) 2003-2004
  * @section LICENSE
  * All rights reserved.
- * 
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
@@ -66,7 +66,7 @@ void GetSignalBacktraceContext( BacktraceContext *ctx, const ucontext_t *uc );
  * copyright notice(s) and this permission notice appear in all copies of
  * the Software and that both the above copyright notice(s) and this
  * permission notice appear in supporting documentation.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF