diff options
Diffstat (limited to 'meta/classes/ccache.bbclass')
| -rw-r--r-- | meta/classes/ccache.bbclass | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/meta/classes/ccache.bbclass b/meta/classes/ccache.bbclass index 59e1022678..f3612c5019 100644 --- a/meta/classes/ccache.bbclass +++ b/meta/classes/ccache.bbclass @@ -8,8 +8,28 @@ # Add the following line to the recipe if it can't be built with ccache: # CCACHE_DISABLE = '1' # +# - Share ccache files between different builds +# Set CCACHE_TOP_DIR to a shared dir +# CCACHE_TOP_DIR = /path/to/shared_ccache/ +# +# - TO debug ccahe +# export CCACHE_DEBUG = "1" +# export CCACHE_LOGFILE = "${CCACHE_DIR}/logfile.log" +# And also set PARALLEL_MAKE = "-j 1" to get make the log in order +# + +# Set it to a shared location for different builds, so that cache files can +# be shared between different builds. +CCACHE_TOP_DIR ?= "${TMPDIR}/ccache" + +# ccahe removes CCACHE_BASEDIR from file path, so that hashes will be the same +# in different builds. +export CCACHE_BASEDIR ?= "${TMPDIR}" + +# Used for sharing cache files after compiler is rebuilt +export CCACHE_COMPILERCHECK ?= "%compiler% -dumpspecs" -export CCACHE_DIR ?= "${TMPDIR}/ccache/${MULTIMACH_TARGET_SYS}/${PN}" +export CCACHE_DIR ?= "${CCACHE_TOP_DIR}/${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 |