build: speed up kernel symbol export stripping
authorFelix Fietkau <nbd@openwrt.org>
Sat, 14 Dec 2013 13:14:44 +0000 (13:14 +0000)
committerFelix Fietkau <nbd@openwrt.org>
Sat, 14 Dec 2013 13:14:44 +0000 (13:14 +0000)
commit5a6a47e43129716946df6309d3495f5205c7dd95
tree6c810c60272fa6eb783f96ca56ccfc93da180aba
parent6cb542d6a4d7c3fb1120472be0320098742d2ae7
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>
SVN-Revision: 39049
include/kernel-build.mk