18.01.2014 17:53, KP Kirchdörfer пишет: > Am Samstag, 18. Januar 2014, 17:36:05 schrieb Andrew: >> 18.01.2014 13:03, KP Kirchdörfer пишет: >>> Am Donnerstag, 16. Januar 2014, 21:21:04 schrieb Andrew: >>>> 16.01.2014 19:54, KP Kirchdörfer пишет: >>>>> Am Donnerstag, 16. Januar 2014, 19:37:50 schrieb Andrew: >>>>>> Strange, but for me there are some errors on libs linking (like libnl3) >>>>>> for arm, for x86 all is OK. Maybe distro-related trouble. Maybe not. I >>>>>> checked on gentoo x86_64. >>>>> I'm building on kubuntu x86_64. >>>>> >>>>>> Maybe we should also upgrade gcc/binutils before alpha tagging? gcc >>>>>> 4.8.2 seems to be stable, and fresh binutils are compiled w/o troubles. >>>>> If it solves the errrors for you, I'll test on my platform. IMHO you can >>>>> reuse branch andrew-headers or whatever branch you'll add for remote >>>>> access. >>>>> >>>>> But, still learning git, I'm not the one to give anyone/you any hints >>>>> how >>>>> to work with git :) >>>>> >>>>> kp >>>> It doesn't solve errors, but it should break nothing. Also it seems like >>>> gcc 4.8.2 will generate more optimized code. Also gcc-4.6 has MIPS >>>> regressions which results in non-optimal code. >>>> So I think that we should update them. >>> I'm able to build all toolchains, gdb still fails, but any other issues >>> are >>> solved. A drawback is binary size - it's more often bigger than before. >>> >>> e.g. >>> drobear old 87k, dropbear new 110k >>> dnsmasq old 125k, dnsmasq new 143k >>> >>> Looks we need to tweak some more/new optimiziation settings. >>> >>> kp >> Maybe we should define 'resource-hungry' packages which should be >> assembled with -O2/-O3, and generic packages (like bind, dhcpd, >> iptables) which usually doesn't consumes much resources, that will be >> assembled with -Os? > "Resource-hungry" defined as CPU intensive? > And -Os as default? Right. Also -O2 (or -O3) we may use for some libs (incl. system libs)which seems to be used with that apps. > We set it in make/MasterInclude.mk > export CFLAGS=-O2 $(ARCH_CFLAGS) -I$(BT_STAGING_DIR)/usr/include > is that correct? I think we should use something like this into platform include: ifdef OPT_SPEED CFLAGS=-O2 else CFLAGS=-Os endif CFLAGS+=..... > We should test it; the increase of size is way too much. > > kp >
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