explicitly manage .depend and .depend.bak

Bring back removal of .depend to give the file a known state before
running makedepend, but manually move aside the current .depend file
and restore it as .depend.bak afterwards so the stale .depend check
works as expected.

1 files changed, 4 insertions, 1 deletions

diff --git a/Makefile.in b/Makefile.in
index 275d4dd78..7c5ed0bd6 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -350,12 +350,15 @@ depend: depend-rebuild
         rm -f .depend.bak
 
 depend-rebuild:
-        rm -f config.h
+        mv .depend .depend.old
+        rm -f config.h .depend
         touch config.h .depend
         makedepend -w1000 -Y. -f .depend *.c 2>/dev/null
         (echo '# Automatically generated by makedepend.'; \
          echo '# Run "make depend" to rebuild.'; sort .depend ) >.depend.tmp
         mv .depend.tmp .depend
+        rm -f .depend.bak
+        mv .depend.old .depend.bak
         rm -f config.h
 
 depend-check: depend-rebuild