$NetBSD: patch-ad,v 1.10 2011/04/13 14:19:29 drochner Exp $

--- Makefile.in.orig	2010-09-27 17:42:32.000000000 +0000
+++ Makefile.in
@@ -218,8 +218,19 @@ main.o: main.cc version_tag.h
 
 lexor.o: lexor.cc parse.h
 
-parse.o: parse.cc
+ 
+# work around buggy compilers when compiling the parser with optimization
+# make sure no one sneaks a -O* in on us via one of these variables
+# set in the environment
+CXX_NOOPT=$(CXX:-O%=)
+CPPFLAGS_NOOPT=$(CPPFLAGS:-O%=)
+CXXFLAGS_NOOPT=$(CXXFLAGS:-O%=)
 
+parse.o: parse.cc
+	@[ -d dep ] || mkdir dep
+	$(CXX_NOOPT) $(CPPFLAGS_NOOPT) $(CXXFLAGS_NOOPT) -MD -c $< -o $*.o
+	mv $*.d dep/$*.d
+ 
 parse.cc parse.h: $(srcdir)/parse.y
 	$(YACC) --verbose -t -p VL -d -o parse.cc $(srcdir)/parse.y
 	mv parse.cc.h parse.h 2>/dev/null || mv parse.hh parse.h
