This is the mail archive of the crossgcc@sourceware.org mailing list for the crossgcc project.
See the CrossGCC FAQ for lots more information.
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |
Other format: | [Raw text] |
On Fri, Dec 24, 2010 at 12:00 PM, Bryan Hundven <bryanhundven@gmail.com> wrote: > On Fri, Dec 24, 2010 at 11:52 AM, Bryan Hundven <bryanhundven@gmail.com> wrote: >> On Fri, Dec 24, 2010 at 10:02 AM, Yann E. MORIN >> <yann.morin.1998@anciens.enib.fr> wrote: >>> Bryan, Titus, Bill, All, >>> >>> On Friday 24 December 2010 15:53:28 Bill Pringlemeir wrote: >>>> The 'gold' linker has far higher performance for C++ >>>> applications with large name mangling, etc. >>> >>> What does it take to replace standard ld with gold? Maybe this could be >>> an option in crosstool-NG (for those architectures which gold supports). >> >> I know that --enable-gold will make binutils with the gold linker 'ld.gold'. >> I'm not sure if it applies to older versions of binutils, but with >> more recent snapshots, you can configure: >> >> Â--enable-gold[=ARG]   build gold [ARG={default,yes,no}] >> Â--enable-ld[=ARG]   build ld [ARG={default,yes,no}] >> >> So, you could say gold is the default and also build the normal ld as 'ld.bfd': >> >> (comment from v2.21 of binutils configure.ac) >> >> # Handle --enable-gold, --enable-ld. >> # --disable-gold [--enable-ld] >> #   Build only ld. ÂDefault option. >> # --enable-gold [--enable-ld] >> #   Build both gold and ld. ÂInstall gold as "ld.gold", install ld >> #   as "ld.bfd" and "ld". >> # --enable-gold=default [--enable-ld] >> #   Build both gold and ld. ÂInstall gold as "ld.gold" and "ld", >> #   install ld as "ld.bfd". >> # --enable-gold[=default] --disable-ld >> #   Build only gold, which is then installed as both "ld.gold" and "ld". >> # --enable-gold --enable-ld=default >> #   Build both gold (installed as "ld.gold") and ld (installed as "ld" >> #   and ld.bfd). >> #   In other words, ld is default >> # --enable-gold=default --enable-ld=default >> #   Error. >> >> Where as 2.20.1 just had --enable-gold, which would use the gold >> linker instead of the bfd linker. >> >> It sounds like the new options are different that the release >> versions, so you might have to look through each version and add >> something like >> BINUTILS_2_20_1_or_later >> BINUTILS_2_21_or_later >> >> >>> And Merry X-Mas to all! :-) >>> >>> Regards, >>> Yann E. MORIN. >>> >>> -- >>> .-----------------.--------------------.------------------.--------------------. >>> | ÂYann E. MORIN Â| Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: | >>> | +33 662 376 056 | Software ÂDesigner | \ / CAMPAIGN   | Â___        | >>> | +33 223 225 172 `------------.-------: ÂX ÂAGAINST   Â| Â\e/ ÂThere is no Â| >>> | http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL  Â|  v  conspiracy. Â| >>> '------------------------------^-------^------------------^--------------------' >>> > > I guess I also forgot to mention that with gold on 2.21, you can (and 2.20.1) > --enable-threads to enable multi-threaded linking, and > --enable-plugins to enable linker plugins (like whopr and lto, and > possibly more in the future...) > >> -Bryan >> > > -Bryan > Sorry for the excessive noise... -Bryan -- For unsubscribe information see http://sourceware.org/lists.html#faq
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |