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://blog.flameeyes.eu/ On Fri, Aug 2, 2013 at 9:05 AM, Michał Górny <mgo...@gentoo.org> wrote: > 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 with clang & USE=debug (assertions, checks). > > > > Ouch! > > > > Thanks for the heads-up. I didn't realize -g/debug added THAT much! For > > sure I'll have to keep that in mind if I ever decide to build llvm with > > debug... and the general rule in mind for building anything else with > > debug. > > Just to make it clear, USE=debug doesn't imply -g. It gets 16G with > -O2. Curious enough, -O0 -g gave me 14G but maybe I screwed something > up :). > > -- > Best regards, > Michał Górny >