ada cc rename fix for Darwin

darwin-ada-cc-renamed.txt

diff --git a/gcc/ada/Makefile.rtl b/gcc/ada/Makefile.rtl
index 59db72834dc..9e0c545a7be 100644
--- a/gcc/ada/Makefile.rtl
+++ b/gcc/ada/Makefile.rtl
@@ -2856,7 +2856,7 @@ LIBGNAT_TARGET_PAIRS += \
 
 # LIBGNAT_SRCS is the list of all C files (including headers) of the runtime
 # library.  LIBGNAT_OBJS is the list of object files for libgnat.
-# thread.cc is special as put into GNATRTL_TASKING_OBJS
+# thread.c is special as put into GNATRTL_TASKING_OBJS
 LIBGNAT_OBJS = adadecode.o adaint.o argv.o aux-io.o 			\
   cal.o cio.o cstreams.o ctrl_c.o					\
   env.o errno.o exit.o expect.o final.o rtfinal.o rtinit.o		\
@@ -2920,7 +2920,7 @@ setup-rts: force
 	$(MKDIR) $(RTSDIR)
 	$(CHMOD) u+w $(RTSDIR)
 # Copy target independent sources
-	$(foreach f,$(ADA_INCLUDE_SRCS) $(LIBGNAT_SRCS) libgnarl/thread.cc, \
+	$(foreach f,$(ADA_INCLUDE_SRCS) $(LIBGNAT_SRCS) libgnarl/thread.c, \
 	  $(LN_S) $(GNAT_SRC)/$(f) $(RTSDIR) ;) true
 # Remove files not used
 	$(RM) $(patsubst %,$(RTSDIR)/%,$(ADA_EXCLUDE_FILES))
@@ -2941,7 +2941,7 @@ setup-rts: force
 	do \
 	  if [ -f $(RTSDIR)/$$f ]; then echo $$f >> $(RTSDIR)/libgnarl.lst; fi \
 	done
-	@echo thread.cc >> $(RTSDIR)/libgnarl.lst
+	@echo thread.c >> $(RTSDIR)/libgnarl.lst
 	@for f in \
 	  $(foreach F,$(GNATRTL_NONTASKING_OBJS),$(subst $(objext),.ads,$(F))) \
 	  $(foreach F,$(GNATRTL_NONTASKING_OBJS),$(subst $(objext),.adb,$(F))); \
diff --git a/gcc/ada/expect.cc b/gcc/ada/expect.c
similarity index 100%
rename from gcc/ada/expect.cc
rename to gcc/ada/expect.c
diff --git a/gcc/ada/gcc-interface/Makefile.in b/gcc/ada/gcc-interface/Makefile.in
index 54cf182a8c3..ca12d428a50 100644
--- a/gcc/ada/gcc-interface/Makefile.in
+++ b/gcc/ada/gcc-interface/Makefile.in
@@ -920,13 +920,13 @@ cal.o     : cal.c
 deftarg.o : deftarg.c
 errno.o   : errno.c
 exit.o    : adaint.h exit.cc
-expect.o  : expect.cc
+expect.o  : expect.c
 final.o   : final.cc
 rtfinal.o : rtfinal.cc
 rtinit.o  : rtinit.cc
-locales.o : locales.cc
+locales.o : locales.c
 mkdir.o   : mkdir.cc
-socket.o  : socket.cc gsocket.h
+socket.o  : socket.c gsocket.h
 sysdep.o  : sysdep.c
 raise.o   : raise.cc raise.h
 sigtramp-armdroid.o      : sigtramp-armdroid.cc sigtramp.h
diff --git a/gcc/ada/libgnarl/thread.cc b/gcc/ada/libgnarl/thread.c
similarity index 100%
rename from gcc/ada/libgnarl/thread.cc
rename to gcc/ada/libgnarl/thread.c
diff --git a/gcc/ada/locales.cc b/gcc/ada/locales.c
similarity index 100%
rename from gcc/ada/locales.cc
rename to gcc/ada/locales.c
diff --git a/gcc/ada/socket.cc b/gcc/ada/socket.c
similarity index 100%
rename from gcc/ada/socket.cc
rename to gcc/ada/socket.c