fix builds and update mlibc

recipes/linux-headers

@@ -0,0 +1,16 @@
+name=linux-headers
+from_source=linux
+revision=1
+imagedeps="base-devel rsync"
+
+configure() {
+	cp -r ${source_dir}/* .
+}
+
+build() {
+	true
+}
+
+install() {
+	make headers_install ARCH=x86_64 INSTALL_HDR_PATH=${dest_dir}/${prefix}/
+}