yocto-poky: Move to import-layers subdir

We are going to import additional layers, so create a subdir to
hold all of the layers that we import with git-subtree.

Change-Id: I6f732153a22be8ca663035c518837e3cc5ec0799
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>

1 files changed, 54 insertions, 0 deletions

diff --git a/import-layers/yocto-poky/meta/classes/multilib_header.bbclass b/import-layers/yocto-poky/meta/classes/multilib_header.bbclass
new file mode 100644
index 000000000..5ee0a2d56
--- /dev/null
+++ b/import-layers/yocto-poky/meta/classes/multilib_header.bbclass
@@ -0,0 +1,54 @@
+inherit siteinfo
+
+# If applicable on the architecture, this routine will rename the header and
+# add a unique identifier to the name for the ABI/bitsize that is being used.
+# A wrapper will be generated for the architecture that knows how to call
+# all of the ABI variants for that given architecture.
+#
+oe_multilib_header() {
+
+	case ${HOST_OS} in
+	*-musl*)
+		return
+		;;
+	*)
+	esac
+        # We use
+        # For ARM: We don't support multilib builds.
+        # For MIPS: "n32" is a special case, which needs to be
+        # distinct from both 64-bit and 32-bit.
+        case ${TARGET_ARCH} in
+        arm*)   return
+                ;;
+        mips*)  case "${MIPSPKGSFX_ABI}" in
+                "-n32")
+                       ident=n32   
+                       ;;
+                *)     
+                       ident=${SITEINFO_BITS}
+                       ;;
+                esac
+                ;;
+        *)      ident=${SITEINFO_BITS}
+        esac
+	if echo ${TARGET_ARCH} | grep -q arm; then
+	    return
+	fi
+	for each_header in "$@" ; do
+	   if [ ! -f "${D}/${includedir}/$each_header" ]; then
+	      bberror "oe_multilib_header: Unable to find header $each_header."
+	      continue
+	   fi
+	   stem=$(echo $each_header | sed 's#\.h$##')
+	   # if mips64/n32 set ident to n32
+	   mv ${D}/${includedir}/$each_header ${D}/${includedir}/${stem}-${ident}.h
+
+	   sed -e "s#ENTER_HEADER_FILENAME_HERE#${stem}#g" ${COREBASE}/scripts/multilib_header_wrapper.h > ${D}/${includedir}/$each_header
+	done
+}
+
+# Dependencies on arch variables like MIPSPKGSFX_ABI can be problematic.
+# We don't need multilib headers for native builds so brute force things.
+oe_multilib_header_class-native () {
+	return
+}