only rebuild the ChangeLog if we're inside a cvs working directory

diff --git a/Makefile.am b/Makefile.am
index ed120d323c5c2629391e7da07beefa11550dadf1..1dc346b1d930248bc6495bfcb1d5a93bd4594665 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -177,10 +177,12 @@ filter.o: filter.c flexdef.h flexint.h
 tags:
        ctags --c-types='defgmstuv' $(srcdir)/*.[ch]
 
-# Create the ChangeLog
+# Create the ChangeLog, but only if we're inside a cvs working directory
 
 ChangeLog:
-       sh $(srcdir)/tools/cvs2cl.pl -F trunk -U $(srcdir)/tools/cvsauthors
+       if [ -d CVS ] ; then \
+               sh $(srcdir)/tools/cvs2cl.pl -F trunk -U $(srcdir)/tools/cvsauthors \
+       ; fi
 
 # Run GNU indent on sources. Don't run this unless all the sources compile cleanly.
 #