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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/conf/bitbake.conf
parent0f81fbc0df73675aeb79c724858799a3b6a02f85 (diff)
downloadopenembedded-core-2acf8da4f13c175ea818b9514677b7059de1e3e2.tar.gz
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/conf/bitbake.conf')
-rw-r--r--meta/conf/bitbake.conf5
1 files changed, 2 insertions, 3 deletions
diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 5fda36b01c..48287a71ab 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -409,10 +409,9 @@ export PATH
# Build utility info.
##################################################################
-CCACHE = "${@bb.which(d.getVar('PATH', True), 'ccache') and 'ccache '}"
+CCACHE ??= ""
TOOLCHAIN_OPTIONS = " --sysroot=${STAGING_DIR_TARGET}"
-export CCACHE_DIR = "${TMPDIR}/ccache/${MULTIMACH_HOST_SYS}/${PN}"
export CC = "${CCACHE}${HOST_PREFIX}gcc ${HOST_CC_ARCH}${TOOLCHAIN_OPTIONS}"
export CXX = "${CCACHE}${HOST_PREFIX}g++ ${HOST_CC_ARCH}${TOOLCHAIN_OPTIONS}"
export F77 = "${CCACHE}${HOST_PREFIX}g77 ${HOST_CC_ARCH}${TOOLCHAIN_OPTIONS}"
@@ -746,7 +745,7 @@ BB_CONSOLELOG ?= "${TMPDIR}/cooker.log.${DATETIME}"
# Setup our default hash policy
BB_SIGNATURE_HANDLER ?= "OEBasic"
-BB_HASHBASE_WHITELIST ?= "TMPDIR FILE PATH PWD BB_TASKHASH BBPATH DL_DIR SSTATE_DIR THISDIR FILESEXTRAPATHS FILE_DIRNAME HOME LOGNAME SHELL TERM USER FILESPATH STAGING_DIR_HOST STAGING_DIR_TARGET COREBASE PRSERV_HOST PRSERV_PORT PRSERV_DUMPDIR PRSERV_DUMPFILE PRSERV_LOCKDOWN PARALLEL_MAKE CCACHE_DIR EXTERNAL_TOOLCHAIN"
+BB_HASHBASE_WHITELIST ?= "TMPDIR FILE PATH PWD BB_TASKHASH BBPATH DL_DIR SSTATE_DIR THISDIR FILESEXTRAPATHS FILE_DIRNAME HOME LOGNAME SHELL TERM USER FILESPATH STAGING_DIR_HOST STAGING_DIR_TARGET COREBASE PRSERV_HOST PRSERV_PORT PRSERV_DUMPDIR PRSERV_DUMPFILE PRSERV_LOCKDOWN PARALLEL_MAKE CCACHE_DIR EXTERNAL_TOOLCHAIN CCACHE"
BB_HASHCONFIG_WHITELIST ?= "${BB_HASHBASE_WHITELIST} DATE TIME SESSION_MANAGER DBUS_SESSION_BUS_ADDRESS SSH_AGENT_PID XDG_SESSION_COOKIE SSH_AUTH_SOCK XAUTHORITY"
MLPREFIX ??= ""