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>
>${WORKDIR}/site_config_${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" \