On Tue, Jun 28, 2011 at 4:59 AM, Diego Novillo <dnovi...@google.com> wrote: > On 11-06-27 19:09 , Doug Kwan wrote: >> >> This patch enables both ld and gold in gcc using the -fuse-ld switch. The >> original patch use written by Nick Clifton and was subsequently updated by >> Matthias Klose. The patch currently does not work with LTO but that is >> okay for now and it is no worse than its counterpart in an older gcc >> version. >> We need this functionality for now. It is mostly used as a safety net in >> the >> Android toolchain if gold does not work. We can disable LTO in that case. >> Hopefully we will fix this can resubmit it for trunk later. >> >> This is tested by running ./buildit and building the Android toolchain. >> >> I would like to apply this to goolge/main only. >> >> 2011-06-27 Doug Kwan<dougk...@google.com> >> >> Google ref 41164-p2 >> Backport upstream patch under review. >> >> 2011-01-19 Nick Clifton<ni...@redhat.com> >> Matthias Klose<d...@debian.org> >> >> * configure.ac (gcc_cv_gold_srcdir): New cached variable - >> contains the location of the gold sources. >> (ORIGINAL_GOLD_FOR_TARGET): New substituted variable - >> contains >> the name of the locally built gold executable. >> * configure: Regenerate. >> * collect2.c (main): Detect the -use-gold and -use-ld >> switches >> and select the appropriate linker, if found. >> If a linker cannot be found and collect2 is executing in >> verbose mode then report the search paths examined. >> * exec-tool.in: Detect the -use-gold and -use-ld switches >> and >> select the appropriate linker, if found. >> Add support for -v switch. >> Report problems locating linker executable. >> * gcc.c (LINK_COMMAND_SPEC): Translate -fuse-ld=gold into >> -use-gold and -fuse-ld=bfd into -use-ld. >> * common.opt: Add fuse-ld=gold and fuse-ld=bfd. >> * opts.c (comman_handle_option): Ignore -fuse-ld=gold and >> -fuse-ld=bfd. >> * doc/invoke.texi: Document the new options. > > OK for google/main. > > Nick/Matthias, anything in particular blocking this patch in trunk? (other > than the LTO issue) >
For gcc, ld.bfd and ld.gold are interchangeable. -- H.J.
