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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 --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 -- For unsubscribe information see http://sourceware.org/lists.html#faq
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