Mac OS X work...lots of little changes that touch a lot of random places.

Still work to be done, but this at least matches the PowerPC Linux status
 now.

MacOS-specific directory (and XCode project) is gone...this now uses SDL,
 OpenAL, and the Unix Makefiles.

--ryan.

code/tools/lcc/Makefile

@@ -22,6 +22,19 @@ RMDIR=rmdir
 BUILDDIR=build
 BD=$(BUILDDIR)/
 
+ifeq ($(PLATFORM),darwin)
+  LCC_CFLAGS += -DMACOS_X=1
+endif
+
+ifndef USE_CCACHE
+  USE_CCACHE=0
+endif
+
+ifeq ($(USE_CCACHE),1)
+  CC := ccache $(CC)
+  CXX := ccache $(CXX)
+endif
+
 ifeq ($(PLATFORM),SunOS)
   INSTALL=ginstall
 else