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authorRichard Purdie <richard.purdie@linuxfoundation.org>2012-05-29 13:29:44 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2012-05-30 11:21:35 +0100
commit2acf8da4f13c175ea818b9514677b7059de1e3e2 (patch)
treee4e5d2a04f3c7030667273544ca13a23763e72e5 /meta/classes/ccache.bbclass
parent0f81fbc0df73675aeb79c724858799a3b6a02f85 (diff)
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ccache: Separate out into its own class
Currently, ccache is used if it is present. When building from scratch it gives no performance improvement and creates a ton of empty directories even when its not in use. This change moves ccache support to a bbclass file which the user can choose to enable. This should make builds more determinstic and make it easier/clearer to the end user when its being used and when it is not. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/classes/ccache.bbclass')
-rw-r--r--meta/classes/ccache.bbclass5
1 files changed, 5 insertions, 0 deletions
diff --git a/meta/classes/ccache.bbclass b/meta/classes/ccache.bbclass
new file mode 100644
index 0000000000..10f9b9f9aa
--- /dev/null
+++ b/meta/classes/ccache.bbclass
@@ -0,0 +1,5 @@
+CCACHE = "${@bb.which(d.getVar('PATH', True), 'ccache') and 'ccache '}"
+export CCACHE_DIR = "${TMPDIR}/ccache/${MULTIMACH_HOST_SYS}/${PN}"
+
+do_configure[dirs] =+ "${CCACHE_DIR}"
+do_kernel_configme[dirs] =+ "${CCACHE_DIR}"