From a63a34077cd001edee2e2b683d7721058f7f9f31 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Sat, 24 Nov 2018 11:21:13 +0100
Subject: Don't try to create a nif if n wasn't provided

---
 plugins/c_src.mk | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'plugins')

diff --git a/plugins/c_src.mk b/plugins/c_src.mk
index 11b1f79..71c0099 100644
--- a/plugins/c_src.mk
+++ b/plugins/c_src.mk
@@ -226,6 +226,9 @@ endif
 ifneq ($(wildcard src/$n.erl),)
 	$(error Error: src/$n.erl already exists)
 endif
+ifndef n
+	$(error Usage: $(MAKE) new-nif n=NAME [in=APP])
+endif
 ifdef in
 	$(verbose) $(MAKE) -C $(APPS_DIR)/$(in)/ new-nif n=$n in=
 else
-- 
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