From: Matthieu Crapet <Matthieu.Crapet@ingenico.com>
Date: Thu, 24 Jul 2014 09:39:43 +0000 (+0200)
Subject: autotools.bbclass: Enhance sed regexp to avoid extra subshell
X-Git-Tag: 2015-4~2165
X-Git-Url: https://code.ossystems.io/gitweb?a=commitdiff_plain;h=38d50331acbc1e279449ae6b313ff0116b6c44e8;p=openembedded-core.git

autotools.bbclass: Enhance sed regexp to avoid extra subshell

head -n1 can be done using sed.

Signed-off-by: Matthieu Crapet <Matthieu.Crapet@ingenico.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---

diff --git a/meta/classes/autotools.bbclass b/meta/classes/autotools.bbclass
index 19edc54f6d..afca760804 100644
--- a/meta/classes/autotools.bbclass
+++ b/meta/classes/autotools.bbclass
@@ -195,7 +195,7 @@ autotools_do_configure() {
 		else
 			acpaths="${acpaths}"
 		fi
-		AUTOV=`automake --version |head -n 1 |sed "s/.* //;s/\.[0-9]\+$//"`
+		AUTOV=`automake --version | sed -e '1{s/.* //;s/\.[0-9]\+$//};q'`
 		automake --version
 		echo "AUTOV is $AUTOV"
 		if [ -d ${STAGING_DATADIR_NATIVE}/aclocal-$AUTOV ]; then