Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/meta/classes/ccache.bbclass b/meta/classes/ccache.bbclass
new file mode 100644
index 0000000..2cdce46
--- /dev/null
+++ b/meta/classes/ccache.bbclass
@@ -0,0 +1,8 @@
+CCACHE = "${@bb.utils.which(d.getVar('PATH', True), 'ccache') and 'ccache '}"
+export CCACHE_DIR ?= "${TMPDIR}/ccache/${MULTIMACH_HOST_SYS}/${PN}"
+CCACHE_DISABLE[unexport] = "1"
+
+do_configure[dirs] =+ "${CCACHE_DIR}"
+do_kernel_configme[dirs] =+ "${CCACHE_DIR}"
+
+do_clean[cleandirs] += "${CCACHE_DIR}"