autotools: add default for CACHED_CONFIGUREVARS

Ensure that this variable has a default value so that we don't get debug
messages that the variable couldn't be expanded.

(From OE-Core rev: 27fd1bb7969b558864463450e1837c4400a03f9c)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster@mvista.com>

diff --git a/meta/classes/autotools.bbclass b/meta/classes/autotools.bbclass
index 6649f5df71a411d5bfc48272b57e396baac67caa..e1686206f74d300ebb6325881ef37bf38ada9623 100644 (file)
--- a/meta/classes/autotools.bbclass
+++ b/meta/classes/autotools.bbclass
@@ -77,6 +77,8 @@ CONFIGUREOPTS = " --build=${BUILD_SYS} \
                  ${@append_libtool_sysroot(d)}"
 CONFIGUREOPT_DEPTRACK ?= "--disable-dependency-tracking"
 
+CACHED_CONFIGUREVARS ?= ""
+
 AUTOTOOLS_SCRIPT_PATH ?= "${S}"
 CONFIGURE_SCRIPT ?= "${AUTOTOOLS_SCRIPT_PATH}/configure"