1 files changed, 22 insertions, 0 deletions

diff --git a/meta/classes/multimachine.bbclass b/meta/classes/multimachine.bbclass
new file mode 100644
index 0000000000..2248f326cc
--- /dev/null
+++ b/meta/classes/multimachine.bbclass
@@ -0,0 +1,22 @@
+STAMP = "${TMPDIR}/stamps/${MULTIMACH_ARCH}-${HOST_OS}/${PF}"
+WORKDIR = "${TMPDIR}/work/${MULTIMACH_ARCH}-${HOST_OS}/${PF}"
+STAGING_KERNEL_DIR = "${STAGING_DIR}/${MULTIMACH_ARCH}-${HOST_OS}/kernel"
+
+# Find any machine specific sub packages and if present, mark the 
+# whole package as machine specific for multimachine purposes.
+python __anonymous () {
+        packages = bb.data.getVar('PACKAGES', d, 1).split()
+        macharch = bb.data.getVar('MACHINE_ARCH', d, 1)
+        multiarch  = bb.data.getVar('PACKAGE_ARCH', d, 1)
+
+        for pkg in packages:
+                pkgarch = bb.data.getVar("PACKAGE_ARCH_%s" % pkg, d, 1)
+
+                # We could look for != PACKAGE_ARCH here but how to choose 
+                # if multiple differences are present?
+                # Look through IPKG_ARCHS for the priority order?
+                if pkgarch and pkgarch == macharch:
+                        multiarch = macharch
+
+        bb.data.setVar('MULTIMACH_ARCH', multiarch, d)
+}