Insipred by the comment here:
http://bugs.freepascal.org/view.php?id=20879
It looks like the PPC case is missing, hence add this.  Without, we get
linker errors for compiling packages like Python and TexLive.

--- src/ld/OutputFile.cpp
+++ src/ld/OutputFile.cpp
@@ -807,7 +807,7 @@
 		// is encoded in mach-o the same as:
 		//  .long _foo + 0x40000000
 		// so if _foo lays out to 0xC0000100, the first is ok, but the second is not.  
-		if ( (_options.architecture() == CPU_TYPE_ARM) || (_options.architecture() == CPU_TYPE_I386) ) {
+		if ( (_options.architecture() == CPU_TYPE_ARM) || (_options.architecture() == CPU_TYPE_I386) || (_options.architecture() == CPU_TYPE_POWERPC) ) {
 			// Unlikely userland code does funky stuff like this, so warn for them, but not warn for -preload
 			if ( _options.outputKind() != Options::kPreload ) {
 				warning("32-bit absolute address out of range (0x%08llX max is 4GB): from %s + 0x%08X (0x%08llX) to 0x%08llX",