[oe-commits] Richard Purdie : siteconfig: Clear cache before rebuilding

[git at git.openembedded.org]

Module: openembedded-core.git
Branch: denzil
Commit: b21d1daf709ddce14c93a5f16c91ff702e1cb7ff
URL:    http://git.openembedded.org/?p=openembedded-core.git&a=commit;h=b21d1daf709ddce14c93a5f16c91ff702e1cb7ff

Author: Richard Purdie <richard.purdie at linuxfoundation.org>
Date:   Fri Sep 28 14:16:04 2012 +0100

siteconfig: Clear cache before rebuilding

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 at linuxfoundation.org>

---

 meta/classes/siteconfig.bbclass |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

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" \