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authorMike Frysinger <vapier@gentoo.org>2009-06-14 09:33:00 -0400
committerWolfgang Denk <wd@denx.de>2009-06-14 22:44:24 +0200
commit5ec5529b82f314ca2cf9c262cdfc985d5fc468a0 (patch)
tree1ae2f6bcf6155887f2a007ba25bd542d890f587e /Makefile
parent92afd368bba7d98b2b7bfb51082c3639bb2119b3 (diff)
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allow boards to customize compiler options on a per-file/dir basis
With our Blackfin boards, we like to build the compression routines with -O2 as our tests show a pretty good size/speed tradeoff. For the rest of U-Boot though, we want to stick with the default -Os as that is mostly control code. So in our case, we would add a line like so to the board specific config.mk file: CFLAGS_lib_generic += -O2 Now all files under lib_generic/ will have -O2 appended to their build. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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