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-rw-r--r--Makefile5
1 files changed, 4 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 9ad9db5..930c684 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,10 @@
# Copyright 2012 - 2013 Daniel Borkmann <borkmann@gnumaniacs.org>
# Subject to the GNU GPL, version 2.
-include Config
+-include Config
+ifndef CONFIG_OK
+ $(error "Please run `./configure' before `make'")
+endif
VERSION = 0
PATCHLEVEL = 5