diff -ur libmowgli-0.5.0/buildsys.mk.in libmowgli-0.5.0-cpp-fixed/buildsys.mk.in
--- libmowgli-0.5.0/buildsys.mk.in	2007-10-15 07:03:45.000000000 +0200
+++ libmowgli-0.5.0-cpp-fixed/buildsys.mk.in	2008-01-17 00:00:00.000000000 +0100
@@ -94,22 +94,17 @@
 	test -f .deps || regen=1; \
 	for i in ${SRCS}; do test $$i -nt .deps && regen=1; done; \
 	if test x"$$regen" = x"1"; then \
-		list=""; \
 		${DEPEND_STATUS}; \
 		for i in ${SRCS}; do \
 			case $${i##*.} in \
 			c|cc|cxx|m) \
-				list="$$list $$i"; \
+				if ! ${CPP} ${CPPFLAGS} -M $$i >>.deps; then\
+					${DEPEND_FAILED}; \
+				fi;\
 				;; \
 			esac; \
 		done; \
-		if test x"$$list" != "x"; then \
-			if ${CPP} ${CPPFLAGS} -M $$list >.deps; then \
-				${DEPEND_OK}; \
-			else \
-				${DEPEND_FAILED}; \
-			fi; \
-		fi; \
+		${DEPEND_OK}; \
 	fi
 
 pre-depend: