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authorRoman Yeryomin <roman@advem.lv>2020-06-12 21:43:46 +0300
committerPetr Štetiar <ynezz@true.cz>2020-07-11 15:19:53 +0200
commit2ca084ccaae619ac8031e902c66817d021ac6fd5 (patch)
tree821349dcff0400e92ff84659554bc66f4197c481 /scripts
parent23de93a5216bf1c24c4e4c71f6cad4455c3cfa2c (diff)
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build: improve ccache support
Set CCACHE_DIR to $(TOPDIR)/.ccache and CCACHE_BASEDIR to $(TOPDIR). This allows to do clean and dirclean. Cache hit rate for test build after dirclean is ~65%. If CCACHE is enabled stats are printed out at the end of building process. CCACHE_DIR config variable allows to override default, which could be useful when sharing cache with many builds. cacheclean make target allows to clean the cache. Changes from v1: - remove ccache directory using CCACHE_DIR variable - remove ccache leftovers from sdk and toolchain make files - introduce CONFIG_CCACHE_DIR variable - introduce cacheclean make target Signed-off-by: Roman Yeryomin <roman@advem.lv>
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