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[gn build] Make an explicit use_lld = true on mac use lld.darwinnew

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use_lld defaults to true on non-mac if clang_base_path is set (i.e.
the host compiler is a locally-built clang). On mac, the lld Mach-O
port used to be unusable, but ld64.lld.darwinnew is close to usable.
When explicitly setting `use_lld = true` in a GN build on a mac host,
check-lld passes, two check-clang tests fail, and a handful check-llvm
tests fail (the latter all due to -flat_namespace not yet being implemented).
This commit is contained in:
Nico Weber 2021-01-09 14:03:52 -05:00
parent f029a725c8
commit 756bebbe9c
1 changed files with 5 additions and 1 deletions
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6
utils/gn/build/BUILD.gn
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@ -236,7 +236,11 @@ config("compiler_defaults") {
# On Windows, the linker is not invoked through the compiler driver.
if (use_lld && host_os != "win") {
ldflags += [ "-fuse-ld=lld" ]
if (host_os == "mac") {
ldflags += [ "-fuse-ld=lld.darwinnew" ]
} else {
ldflags += [ "-fuse-ld=lld" ]
}
}
if (llvm_build_instrumented_coverage) {