poky/meta/classes/ccache.bbclass
Ross Burton 11f6f7c617 ccache: let ccache create CCACHE_DIR, reducing hash changes
(From OE-Core rev: 408c5c0f942fa4a7b4df6aacf336d685037ca76c)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-07-17 14:01:36 +01:00

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CCACHE = "${@bb.utils.which(d.getVar('PATH'), 'ccache') and 'ccache '}"
export CCACHE_DIR ?= "${TMPDIR}/ccache/${MULTIMACH_TARGET_SYS}/${PN}"
# We need to stop ccache considering the current directory or the
# debug-prefix-map target directory to be significant when calculating
# its hash. Without this the cache would be invalidated every time
# ${PV} or ${PR} change.
export CCACHE_NOHASHDIR ?= "1"
DEPENDS_append_class-target = " ccache-native"
DEPENDS[vardepvalueexclude] = " ccache-native"