Mark ChangeLog as PHONY

Don't overwrite ChangeLog if we can't run hg

diff --git a/Makefile.in b/Makefile.in
index 13af4366bb9dc56d04bb30de0cd4cba59207bc4a..1badcc56d19bda61a1daf5e5bda904f648956b88 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -63,7 +63,13 @@ autoconf:
        autoconf -I m4
 
 ChangeLog:
-       (cd $(srcdir) && test -d .hg && hg log --style=changelog -b default > $@)
+       if test -d $(srcdir)/.hg && cd $(srcdir); then \
+           if hg log --style=changelog -b default > $@.tmp; then \
+               mv $@.tmp $@; \
+           else \
+               rm -f $@.tmp; \
+           fi; \
+       fi
 
 check:
        @echo nothing to check
@@ -119,3 +125,5 @@ cleandir: distclean
 clobber: distclean
 
 realclean: distclean
+
+.PHONY: ChangeLog