+
+#############################################################################
+# Pre-dist check:
+#############################################################################
+dist-check:
+ @if [ -d CVS ]; then \
+ $(ECHO) "***************************************************"; \
+ $(ECHO) "*** ***"; \
+ $(ECHO) "*** WARNING ***"; \
+ $(ECHO) "*** ***"; \
+ $(ECHO) "*** The presence of a CVS subdirectory suggests ***"; \
+ $(ECHO) "*** that you are trying to build a distribution ***"; \
+ $(ECHO) "*** package based on a checked out, not an ***"; \
+ $(ECHO) "*** exported copy of the source tree. Please ***"; \
+ $(ECHO) "*** see \"Releasing a new version\" in the ***"; \
+ $(ECHO) "*** developer manual. ***"; \
+ $(ECHO) "*** ***"; \
+ $(ECHO) "***************************************************"; \
+ $(ECHO) "Type \"yes i am sure\" if you are sure that you"; \
+ $(ECHO) -n "want to continue: "; \
+ read answer; \
+ if [ "$$answer" != "yes i am sure" ]; then exit 1; fi \
+ fi;
+
+