[build] Fix distcheck of ChangeLog

Relax the copy failure condition.

diff --git a/Makefile.am b/Makefile.am
index 19125bd..f7dc24c 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -59,6 +59,8 @@ MAINTAINERCLEANFILES = \
        missing \
        $(NULL)
 
+MAINTAINERCLEANFILES += $(srcdir)/ChangeLog
+
 PREV_RELEASE=$(CLUTTER_MAJOR_VERSION).$$(echo "$(CLUTTER_MINOR_VERSION)-1" | bc)
 
 CHANGELOGS = ChangeLog
@@ -70,8 +72,8 @@ dist-hook: changelogs
        changelogs="$(CHANGELOGS)"; \
        for changelog in $$changelogs; \
        do \
-               cp $(srcdir)/$$changelog $(distdir)/ 2>/dev/null || \
-               cp $$changelog $(distdir)/; \
+               cp -f $(srcdir)/$$changelog $(distdir)/ 2>/dev/null || \
+               cp -f $$changelog $(distdir)/; \
        done
 
 $(srcdir)/ChangeLog: