[gentoo-dev] Re: check-reqs* vs CFLAGS=-g

2013-08-05 Thread Ryan Hill
On Thu, 1 Aug 2013 13:33:48 +0200 Michał Górny wrote: > What can we do to improve this? I'm not really happy to have LLVM > ebuild analyze CFLAGS to set proper space constraints. Maybe we should > make check-reqs-r1 automatically bump the constraints by some > statistical multiplier when it detec

[gentoo-dev] Re: check-reqs* vs CFLAGS=-g

2013-08-05 Thread Ryan Hill
On Fri, 2 Aug 2013 13:47:10 +0100 Diego Elio Pettenò wrote: > On Fri, Aug 2, 2013 at 1:08 PM, Andreas K. Huettel > wrote: > > > I thought -O0 was generally discouraged, even for debugging?! > > > As Michał said, it all depends on what you want to debug. I would say that > for 90% of issues you

Re: [gentoo-dev] Re: check-reqs* vs CFLAGS=-g

2013-08-02 Thread Diego Elio Pettenò
Unlikely you screwed up, -O0 makes bigger code than -O2 almost in every case; then -g annotates it. I'm expecting -ggdb to take some few GBs more. It'll be the same if not worse with almost all software, -g3 would make it even worse. Diego Elio Pettenò — Flameeyes flamee...@flameeyes.eu — http:/

Re: [gentoo-dev] Re: check-reqs* vs CFLAGS=-g

2013-08-02 Thread Michał Górny
Dnia 2013-08-02, o godz. 02:07:18 Duncan <1i5t5.dun...@cox.net> napisał(a): > Michał Górny posted on Thu, 01 Aug 2013 13:33:48 +0200 as excerpted: > > > LLVM has peek build space consumption around: > > > > - 400-550M without clang (depending on targets), > > - 950-1200M with clang, > > - 16G wi

[gentoo-dev] Re: check-reqs* vs CFLAGS=-g

2013-08-01 Thread Duncan
Michał Górny posted on Thu, 01 Aug 2013 13:33:48 +0200 as excerpted: > LLVM has peek build space consumption around: > > - 400-550M without clang (depending on targets), > - 950-1200M with clang, > - 16G with clang & USE=debug (assertions, checks). Ouch! Thanks for the heads-up. I didn't reali