From: Richard Purdie <richard.purdie@linuxfoundation.org>
Date: Fri, 28 Sep 2012 13:16:04 +0000 (+0100)
Subject: siteconfig: Clear cache before rebuilding
X-Git-Tag: lucaceresoli/bug-15201-perf-libtraceevent-missing~39841
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5ff8396cad130f809f8f8da49bb38e6f80f923c;p=thirdparty%2Fopenembedded%2Fopenembedded-core-contrib.git

siteconfig: Clear cache before rebuilding

This ensures consistent build results and avoids build failures when compiler flags
change for example.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---

diff --git a/meta/classes/siteconfig.bbclass b/meta/classes/siteconfig.bbclass
index ccbe5b99c97..3701b7cd815 100644
--- a/meta/classes/siteconfig.bbclass
+++ b/meta/classes/siteconfig.bbclass
@@ -18,6 +18,7 @@ siteconfig_do_siteconfig_gencache () {
 		>${WORKDIR}/site_config_${MACHINE}/configure.ac
 	cd ${WORKDIR}/site_config_${MACHINE}
 	autoconf
+	rm -f ${PN}_cache
         CONFIG_SITE="" ${EXTRASITECONFIG} ./configure ${CONFIGUREOPTS} --cache-file ${PN}_cache
 	sed -n -e "/ac_cv_c_bigendian/p" -e "/ac_cv_sizeof_/p" \
 		-e "/ac_cv_type_/p" -e "/ac_cv_header_/p" -e "/ac_cv_func_/p" \