makefile: regenerate getdate.c when missing

diff --git a/Makefile.in b/Makefile.in
index 5222ed2627f34d055b7a2b2fe4d8094f84e37623..2bcf5e80e6a81d5f5229bb41c66ad2e4fcfea3c4 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -85,7 +85,10 @@ clean :
        -rm -f *.o *.s chronyc chronyd core *~ chrony.info chrony.html chrony.txt
        -rm -rf .deps
 
-getdate.c : ;
+getdate.c :
+       bison -o getdate.c getdate.y
+
+# This can be used to force regeneration of getdate.c
 getdate :
        bison -o getdate.c getdate.y