See: https://savannah.gnu.org/bugs/?63850
--- h/386-macosx.defs.orig	2014-10-23 16:29:00.000000000 -0500
+++ h/386-macosx.defs	2018-10-10 04:28:50.000000000 -0500
@@ -1,16 +1,9 @@
 # powerpc-macosx.defs
 
-# Disable Apple's custom C preprocessor which gets confused when
-# preprocessing some of the *.d files in the o/ subdirectory.
-CC = gcc $(CPPFLAGS)
-
 # Set this to avoid warnings when linking against libncurses.
 # This is due to the requirements of the two level namespace.
 LIBS := `echo $(LIBS) | sed -e 's/-lncurses/ /'`
 
-# Set this for the linker to operate correctly.
-MACOSX_DEPLOYMENT_TARGET = 10.2
-
 # Define this to build an executable rsym.
 RSYM = rsym
 ifneq ($(findstring bfd,$(LIBS)),) 
--- h/powerpc-macosx.defs.orig	2014-10-23 16:29:00.000000000 -0500
+++ h/powerpc-macosx.defs	2018-10-10 04:29:02.000000000 -0500
@@ -1,16 +1,9 @@
 # powerpc-macosx.defs
 
-# Disable Apple's custom C preprocessor which gets confused when
-# preprocessing some of the *.d files in the o/ subdirectory.
-CC = gcc $(CPPFLAGS)
-
 # Set this to avoid warnings when linking against libncurses.
 # This is due to the requirements of the two level namespace.
 LIBS := `echo $(LIBS) | sed -e 's/-lncurses/ /'`
 
-# Set this for the linker to operate correctly.
-MACOSX_DEPLOYMENT_TARGET = 10.2
-
 # Define this to build an executable rsym.
 RSYM = rsym
 ifneq ($(findstring bfd,$(LIBS)),) 
