Don't ignore pgen error (on "make Parser/pgen.stamp")

diff --git a/Makefile.pre.in b/Makefile.pre.in
index aa6d3a883457eee8651f5d56146fed466429a730..3a179f6145025dd1d735a7363a0d044d9230b548 100644 (file)
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -577,7 +577,7 @@ $(IO_OBJS): $(IO_H)
 $(GRAMMAR_H) $(GRAMMAR_C): Parser/pgen.stamp
 Parser/pgen.stamp: $(PGEN) $(GRAMMAR_INPUT)
                -@$(INSTALL) -d Include
-               -$(PGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C)
+               $(PGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C)
                -touch Parser/pgen.stamp
 
 $(PGEN):       $(PGENOBJS)