Linux alpha test

git-svn-id: https://svn.pjsip.org/repos/pjproject/main@35 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/build/rules.mak b/build/rules.mak
index 6d19d78..351a168 100644
--- a/build/rules.mak
+++ b/build/rules.mak
@@ -149,7 +149,7 @@
 	for F in $(FULL_SRCS); do \
 	   if test -f $$F; then \
 	     echo -n "$(OBJDIR)/" >> $(DEP_FILE); \
-	     if gcc -MM $(DEPFLAGS) $$F | sed '/^#/d' >> $(DEP_FILE); then \
+	     if gcc -M $(DEPFLAGS) $$F | sed '/^#/d' >> $(DEP_FILE); then \
 		true; \
 	     else \
 		echo 'err:' >> $(DEP_FILE); \