ccache: allow CCACHE_DIR to be overriden

Use weaker assignment for CCACHE_DIR to allow users to override it
if desired.

(From OE-Core rev: 61e864e2d020c820cf90807b48babee3b24f9446)

Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/ccache.bbclass b/meta/classes/ccache.bbclass
index cd06a4b..ca3ca43 100644 (file)
--- a/meta/classes/ccache.bbclass
+++ b/meta/classes/ccache.bbclass
@@ -1,5 +1,5 @@
 CCACHE = "${@bb.which(d.getVar('PATH', True), 'ccache') and 'ccache '}"
-export CCACHE_DIR = "${TMPDIR}/ccache/${MULTIMACH_HOST_SYS}/${PN}"
+export CCACHE_DIR ?= "${TMPDIR}/ccache/${MULTIMACH_HOST_SYS}/${PN}"
 CCACHE_DISABLE[unexport] = "1"
 
 do_configure[dirs] =+ "${CCACHE_DIR}"