From: Roy Marples <roy@marples.name>
Date: Sat, 21 Jun 2014 15:46:31 +0000 (+0000)
Subject: Test that the CC command works and makes an exectuable rather
X-Git-Tag: v6.4.1~53
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=67dcaaa4ddc4c3be8aa5b1f0b60261af136e71b3;p=thirdparty%2Fdhcpcd.git

Test that the CC command works and makes an exectuable rather
than using the type command.
Thanks to Thomas De Schampheleire.
---

diff --git a/configure b/configure
index a25e9ca5..b0b15cb9 100755
--- a/configure
+++ b/configure
@@ -272,8 +272,20 @@ if ! type "$CC" >/dev/null 2>&1; then
 fi
 
 echo "Using compiler .. $CC"
-if ! type "$CC" >/dev/null 2>&1; then
-	echo "$CC is not an executable"
+cat <<EOF >_test.c
+int main(void) {
+	return 0;
+}
+EOF
+_CC=true
+if $CC _test.c -o _test >/dev/null 2>&1; then
+	[ -x _test ] || _CC=false
+else
+	_CC=false
+fi
+rm -f _test.c _test
+if ! $_CC; then
+	echo "$CC does not create executables"
 	exit 1
 fi
 [ "$CC" != cc ] && echo "CC=	$CC" >>$CONFIG_MK