Copy the changelogs if they exist instead of generating them with git

Fix make distcheck
(cherry picked from commit 70f620e7f94eb02fc6f5eda47599ae5354c12483)

diff --git a/doc/Makefile.am b/doc/Makefile.am
index 6c1989e3ec6462a5bcc44a1b08379d32dc7acfee..036a61c61325dcfd22d42e53e8fd47a9e3dcce8b 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -50,11 +50,15 @@ EXTRA_DIST = \
 DISTCLEANFILES = $(CHANGELOGS)
 
 $(CHANGELOGS): Makefile.am
-       y="$$(echo "$@" | sed -e 's,ChangeLog-,,')" ; \
-       git --git-dir=$(top_srcdir)/.git log\
-               --since="$$y-01-01" \
-               --until="$$y-12-31 23:00:00 -0100" \
-               > "$@"
+       if test -f "$(top_srcdir)/doc/$@"; then \
+               cp "$(top_srcdir)/doc/$@" "$@" ; \
+       else \
+               y="$$(echo "$@" | sed -e 's,ChangeLog-,,')" ; \
+               git --git-dir=$(top_srcdir)/.git log \
+                       --since="$$y-01-01" \
+                       --until="$$y-12-31 23:00:00 -0100" \
+                       > "$@" ; \
+       fi
 
 # This one needs to be rebuilt all the time :)
 .PHONY: ChangeLog-2008