From: Roy Marples <roy@marples.name>
Date: Sun, 1 May 2016 14:39:45 +0000 (+0000)
Subject: Test exit status of which, not just stdout.
X-Git-Tag: v6.11.0~58
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=145e88b2b297d77b131b441bd299755426a73003;p=thirdparty%2Fdhcpcd.git

Test exit status of which, not just stdout.
---

diff --git a/configure b/configure
index e6603ff4..fc7b76c2 100755
--- a/configure
+++ b/configure
@@ -177,7 +177,7 @@ eval DATADIR="$DATADIR"
 _which()
 {
 	x="$(which "$1" 2>/dev/null)"
-	if [ -n "$x" ]; then
+	if [ $? = 0 -a -n "$x" ]; then
 		echo "$x"
 		return 0
 	fi