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authorDaniel Schwierzeck <daniel.schwierzeck@googlemail.com>2011-11-07 05:26:43 +0000
committerWolfgang Denk <wd@denx.de>2011-11-07 21:56:11 +0100
commitb6a467d73d8847e2307e7e95768e3287d51a9fe6 (patch)
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config.mk: use memoization in cc-option macro to speed up compilation
Apply memoization to cc-option macro by caching the results of the gcc calls. This macro is called very often so using cached results leads to faster compilation times. The old behaviour can be restored by defining the config option CONFIG_CC_OPT_CACHE_DISABLE=y. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
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