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Enable lld as the system linker by default on i386

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The migration to LLVM's lld linker has been in progress for quite some
time - I opened an LLVM tracking bug (23214) in April 2015 to track
issues using lld as FreeBSD's linker, and requested the first exp-run
using lld as /usr/bin/ld in November 2016.

In 12.0 LLD is the system linker on amd64, arm64, and armv7.  i386 was
not switched initially as there were additional ports failures not found
on amd64.  Those have largely been addressed now, although there are a
small number of issues that are still being worked on.  In some of these
cases having lld as the system linker makes it easier for developers and
third parties to investigate failures.

Thanks to antoine@ for handling the exp-runs and to everyone in the
FreeBSD and LLVM communites who have fixed issues with lld to get us to
this point.

PR:		214864
Relnotes:	Yes
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Ed Maste 2019-01-31 15:07:32 +00:00
parent 838b61c1f0
commit ca5efb62ee
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=343606
1 changed files with 2 additions and 4 deletions
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6
share/mk/src.opts.mk
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@ -321,11 +321,9 @@ __DEFAULT_YES_OPTIONS+=LLVM_LIBUNWIND
.else
__DEFAULT_NO_OPTIONS+=LLVM_LIBUNWIND
.endif
.if ${__T} == "aarch64" || ${__T} == "amd64" || ${__T} == "armv7"
.if ${__T} == "aarch64" || ${__T} == "amd64" || ${__T} == "armv7" || \
${__T} == "i386"
__DEFAULT_YES_OPTIONS+=LLD_BOOTSTRAP LLD_IS_LD
.elif ${__T} == "i386"
__DEFAULT_YES_OPTIONS+=LLD_BOOTSTRAP
__DEFAULT_NO_OPTIONS+=LLD_IS_LD
.else
__DEFAULT_NO_OPTIONS+=LLD_BOOTSTRAP LLD_IS_LD
.endif