Makefile: Avoid warning when config.mak is not present.

Without the leading dash, make(1) complains if, for example,

	make config.mak

is run on a pristine tree. The dash instructs make(1) to not emit
a warning if the file to include does not exist or cannot be remade.

diff --git a/Makefile b/Makefile
index 86e9a51c605946440cf7175779b470cc40500727..5ad483bbf5787879d44f45562ca3a9f9efdd7fb6 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -69,7 +69,7 @@ deps := txp.bison.d txp.flex.d ast.d tfortune.d util.d txp.flex.d \
 
 ifeq ($(findstring clean, $(MAKECMDGOALS)),)
 -include $(deps)
-include config.mak
+-include config.mak
 endif
 
 config.h.in: configure.ac