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Differential D131723

[bazel] Use lld in --config=generic_clang
ClosedPublic

Authored by aeubanks on Aug 11 2022, 2:16 PM.

Details

Reviewers
GMNGeoffrey
Commits
rG76b1e8365ab1: [bazel] Use lld in --config=generic_clang
Summary

This should give us faster links.

Diff Detail

Event Timeline

aeubanks created this revision.Aug 11 2022, 2:16 PM
Herald added a project: Restricted Project. · View Herald TranscriptAug 11 2022, 2:16 PM
aeubanks requested review of this revision.Aug 11 2022, 2:16 PM
Herald added a project: Restricted Project. · View Herald TranscriptAug 11 2022, 2:16 PM
Herald added a subscriber: llvm-commits. · View Herald Transcript
Harbormaster completed remote builds in B180777: Diff 451981.Aug 11 2022, 2:20 PM
This revision was not accepted when it landed; it landed in state Needs Review.Aug 12 2022, 11:46 AM
This revision was landed with ongoing or failed builds.
Closed by commit rG76b1e8365ab1: [bazel] Use lld in --config=generic_clang (authored by aeubanks). · Explain Why
This revision was automatically updated to reflect the committed changes.
aeubanks added a commit: rG76b1e8365ab1: [bazel] Use lld in --config=generic_clang.

Revision Contents

PathSize
utils/
bazel/
4 lines

Diff 452258

utils/bazel/.bazelrc

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# The Clang available on MacOS has a warning that isn't clean on MLIR code. The # The Clang available on MacOS has a warning that isn't clean on MLIR code. The
# warning doesn't show up with more recent Clangs, so just disable for now. # warning doesn't show up with more recent Clangs, so just disable for now.
build:generic_clang --cxxopt=-Wno-range-loop-analysis --host_cxxopt=-Wno-range-loop-analysis build:generic_clang --cxxopt=-Wno-range-loop-analysis --host_cxxopt=-Wno-range-loop-analysis
# Build errors are not a helpful way to enforce deprecation in-repo and it is # Build errors are not a helpful way to enforce deprecation in-repo and it is
# not the point of the Bazel build to catch usage of deprecated APIs. # not the point of the Bazel build to catch usage of deprecated APIs.
build:generic_clang --copt=-Wno-deprecated --host_copt=-Wno-deprecated build:generic_clang --copt=-Wno-deprecated --host_copt=-Wno-deprecated
# lld links faster than other linkers. Assume that anybody using clang also has
# lld available.
build:generic_clang --linkopt=-fuse-ld=lld --host_linkopt=-fuse-ld=lld
############################################################################### ###############################################################################
# Options for "generic_gcc" builds: these options should generally apply to # Options for "generic_gcc" builds: these options should generally apply to
# builds using a GCC-based compiler, and default to the `gcc` executable on # builds using a GCC-based compiler, and default to the `gcc` executable on
# the `PATH`. While these are provided for convenience and may serve as a # the `PATH`. While these are provided for convenience and may serve as a
# reference, it would be preferable for users to configure an explicit C++ # reference, it would be preferable for users to configure an explicit C++
# toolchain instead of relying on `.bazelrc` files. # toolchain instead of relying on `.bazelrc` files.
############################################################################### ###############################################################################
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