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build: speed up kernel symbol export stripping
authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Sat, 14 Dec 2013 13:14:44 +0000 (13:14 +0000)
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Sat, 14 Dec 2013 13:14:44 +0000 (13:14 +0000)
commit7a076d7735e876c11ad089709323a35a1dd67c75
treebab58f2c6627a33833dfe5fc3f83c7b53be383c7tree | snapshot
parent29eb8d4386672616a583bc32e7680d71afa1ebe3commit | diff
build: speed up kernel symbol export stripping

GNU grep has a high per-expression setup overhead when compiling regular
expressions. Use -F to force it to interpret the input as fixed strings,
which is much faster (fraction of a second instead of multiple minutes).

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39049 3c298f89-4303-0410-b956-a3cf2f4a3e73
include/kernel-build.mk diff | blob | history
OpenWrt main development branch