From patchwork Fri Oct  5 19:52:46 2012
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Subject: [4/6] siteconfig: Clear cache before rebuilding
Date: Fri, 05 Oct 2012 19:52:46 -0000
From: Scott Garman <scott.a.garman@intel.com>
X-Patchwork-Id: 37847
Message-Id: <b21d1daf709ddce14c93a5f16c91ff702e1cb7ff.1349466569.git.scott.a.garman@intel.com>
To: openembedded-core@lists.openembedded.org

From: Richard Purdie <richard.purdie@linuxfoundation.org>

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

(From OE-Core rev: a5ff8396cad130f809f8f8da49bb38e6f80f923c)

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

---
meta/classes/siteconfig.bbclass |    1 +
 1 file changed, 1 insertion(+)

diff --git a/meta/classes/siteconfig.bbclass b/meta/classes/siteconfig.bbclass
index ccbe5b9..3701b7c 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" \