meta-environment: Fix config-site with a multilib config

[YOCTO #6951]

The TOOLCHAIN_CONFIGSITE_SYSROOTCACHE value was defaulting to the nativesdk
path and not the associated target path.  Set the value in toolchain-scripts
to the target path.

Be sure to set the MLPREFIX within the meta-environment script as multilibs
are processed.

Update the config_site file name to use -BPN- not PN.  Otherwise the
environment processing can't find the correct filename.

(From OE-Core rev: 1f05aaa4944ddac6c2b3ba440effdf1eaf732656)

Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/meta/classes/toolchain-scripts.bbclass b/meta/classes/toolchain-scripts.bbclass
index 2244cf71c1..96fd93dbc8 100644
--- a/meta/classes/toolchain-scripts.bbclass
+++ b/meta/classes/toolchain-scripts.bbclass
@@ -91,7 +91,7 @@ EOF
 
 #we get the cached site config in the runtime
 TOOLCHAIN_CONFIGSITE_NOCACHE = "${@siteinfo_get_files(d, True)}"
-TOOLCHAIN_CONFIGSITE_SYSROOTCACHE = "${STAGING_DATADIR}/${TARGET_SYS}_config_site.d"
+TOOLCHAIN_CONFIGSITE_SYSROOTCACHE = "${STAGING_DIR}/${MLPREFIX}${MACHINE}/${target_datadir}/${TARGET_SYS}_config_site.d"
 TOOLCHAIN_NEED_CONFIGSITE_CACHE = "${TCLIBC} ncurses"
 
 #This function create a site config file
@@ -131,5 +131,7 @@ python __anonymous () {
     deps = ""
     for dep in (d.getVar('TOOLCHAIN_NEED_CONFIGSITE_CACHE', True) or "").split():
         deps += " %s:do_populate_sysroot" % dep
+        for variant in (d.getVar('MULTILIB_VARIANTS', True) or "").split():
+            deps += " %s-%s:do_populate_sysroot" % (variant, dep)
     d.appendVarFlag('do_configure', 'depends', deps)
 }