gcc/libc: Change bootstrap to use an intermediate sysroot and hence no longer overwrite files

Based upon patches from Dexuan Cui <dexuan.cui@intel.com>

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

1 files changed, 3 insertions, 1 deletions

diff --git a/meta/classes/siteconfig.bbclass b/meta/classes/siteconfig.bbclass
index e7cc9ae0da..5edc0d6a0b 100644
--- a/meta/classes/siteconfig.bbclass
+++ b/meta/classes/siteconfig.bbclass
@@ -10,13 +10,15 @@ python siteconfig_do_siteconfig () {
         sstate_install(shared_state, d)
 }
 
+EXTRASITECONFIG ?= ""
+
 siteconfig_do_siteconfig_gencache () {
         mkdir -p ${WORKDIR}/site_config
         gen-site-config ${FILE_DIRNAME}/site_config \
                 >${WORKDIR}/site_config/configure.ac
         cd ${WORKDIR}/site_config
         autoconf
-        CONFIG_SITE="" ./configure ${CONFIGUREOPTS} --cache-file ${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" \
                 < ${PN}_cache > ${PN}_config