From 561fccc5e3918e0a4e7d17dc480b65c53998f525 Mon Sep 17 00:00:00 2001
From: Waldemar Brodkorb <wbx@openadk.org>
Date: Sun, 19 Mar 2017 19:47:15 +0100
Subject: darwin: brew users must install pkg-config, so that make
 kerneloconfig works

---
 scripts/prereq.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/scripts/prereq.sh b/scripts/prereq.sh
index 195acd2be..e5e314b6a 100755
--- a/scripts/prereq.sh
+++ b/scripts/prereq.sh
@@ -415,6 +415,17 @@ fi
 rm test.c test 2>/dev/null
 rm Makefile.tmp 2>/dev/null
 
+# for make kernelconfig pkg-config is required to find ncurses
+if [ $os = "Darwin" ]; then
+  printf " --->  checking if pkg-config is installed.. "
+  if ! which pkg-config >/dev/null 2>&1; then
+    printf "not found\n"
+    out=1
+  else
+    printf "found\n"
+  fi
+fi
+
 # error out on any required prerequisite
 if [ $out -ne 0 ]; then
   exit
-- 
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