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-rw-r--r--import-layers/yocto-poky/meta/classes/ccache.bbclass13
1 files changed, 11 insertions, 2 deletions
diff --git a/import-layers/yocto-poky/meta/classes/ccache.bbclass b/import-layers/yocto-poky/meta/classes/ccache.bbclass
index 2e9837cf07..d58c8f6e57 100644
--- a/import-layers/yocto-poky/meta/classes/ccache.bbclass
+++ b/import-layers/yocto-poky/meta/classes/ccache.bbclass
@@ -1,6 +1,15 @@
-CCACHE = "${@bb.utils.which(d.getVar('PATH', True), 'ccache') and 'ccache '}"
-export CCACHE_DIR ?= "${TMPDIR}/ccache/${MULTIMACH_HOST_SYS}/${PN}"
+CCACHE = "${@bb.utils.which(d.getVar('PATH'), 'ccache') and 'ccache '}"
+export CCACHE_DIR ?= "${TMPDIR}/ccache/${MULTIMACH_TARGET_SYS}/${PN}"
CCACHE_DISABLE[unexport] = "1"
+# 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 ${PR} change.
+export CCACHE_NOHASHDIR ?= "1"
+
+DEPENDS_append_class-target = " ccache-native"
+DEPENDS[vardepvalueexclude] = " ccache-native"
+
do_configure[dirs] =+ "${CCACHE_DIR}"
do_kernel_configme[dirs] =+ "${CCACHE_DIR}"