fix the fixup loop

src/gen/Makefile.am

@@ -73,21 +73,28 @@ fixup.out:
 		dcs_classifier.c dcs_classifier.h \
 		dcs_type.c dcs_match_mem.h
 	( cd .. ; $(MAKE) $(AM_MAKEFLAGS) dcs_test )
-	prev=99999; \
-	while ! ../dcs_test fixup.remove fixup.reorder >>fixup.out ; do \
+	prev=99999 ; \
+	../dcs_test fixup.remove fixup.reorder >>fixup.out ; \
 	cur=$$? ; \
+	while test $$cur -ne 0 ; do \
 		if test $$cur -ge $$prev ; then \
-			echo number of errors is not decreasing - failing fixup ; \
+			echo number of errors cur $$cur prev $$prev \
+				is not decreasing - failing fixup ; \
+			rm fixup.remove fixup.reorder ; \
+			rm dcs_classifier.c dcs_classifier.h dcs_type.c ; \
 			exit $$cur ; \
 		fi ; \
 		prev=$$cur ; \
-		( rm dcs_classifier.c dcs_classifier.h ; \
+		rm dcs_classifier.c dcs_classifier.h ; \
 		if ! $(MAKE) $(AM_MAKEFLAGS) \
 			dcs_classifier.c dcs_classifier.h \
 			dcs_type.c dcs_match_mem.h ; then \
 				break ; \
 		fi ; \
-		  cd .. ; $(MAKE) $(AM_MAKEFLAGS) dcs_test ) \
+		cd .. ; $(MAKE) $(AM_MAKEFLAGS) dcs_test ; \
+		cd - ; \
+		../dcs_test fixup.remove fixup.reorder >>fixup.out ; \
+		cur=$$? ; \
 	done
 
 fixup-local: fixup.remove fixup.reorder fixup.out