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ccache: Allow external setting of CCACHE_COMPILERCHECK variable 

This patch allows usage of a custom CCACHE_COMPILERCHECK setting
for the special cases when "content" strategy is not enough to ensure
that results retrieved from the cache are accurate for the current
compiler.

BUG=none
Change-Id: I30be5182cfb36ec30f38b9a2fac89290bd5df910
Signed-off-by: Stefan Stanacar <stefan.stanacar@intel.com>
This commit is contained in:
Stefan Stanacar 2016-03-15 15:12:34 +02:00
parent 087ea0eca1
commit 25da3a3cf8
1 changed files with 1 additions and 1 deletions
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2
core/ccache.mk
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@ -17,7 +17,7 @@
ifneq ($(filter-out false,$(USE_CCACHE)),)
# The default check uses size and modification time, causing false misses
# since the mtime depends when the repo was checked out
export CCACHE_COMPILERCHECK := content
export CCACHE_COMPILERCHECK ?= content
# See man page, optimizations to get more cache hits
# implies that __DATE__ and __TIME__ are not critical for functionality.