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llvm-project/lld
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Nico Weber d48ea5da94 lld-link: Add a flag /lldignoreenv that makes lld-link ignore env vars. 
This is useful for enforcing that builds are independent of the
environment; it can be used when all system library paths are added
via /libpath: already. It's similar ot cl.exe's /X flag.

Since it should also affect %LINK% (the other caller of
`Process::GetEnv` in lld/COFF), the early-option-parsing needs
to move around a bit. The options are:

- Add a manual loop over the argv ArrayRef and look for "/lldignoreenv".
  This repeats the name of the flag in both Options.td and in
  DriverUtils.cpp.

- Add yet another table.ParseArgs() call just for /lldignoreenv before
  adding %LINK%.

- Use the existing early ParseArgs() that's there for --rsp-quoting and use
  it for /lldignoreenv for %LINK% as well. This means --rsp-quoting
  and /lldignoreenv can't be passed via %LINK%.

I went with the third approach.

Differential Revision: https://reviews.llvm.org/D67456

llvm-svn: 371852
 		2019-09-13 13:13:52 +00:00
..
COFF lld-link: Add a flag /lldignoreenv that makes lld-link ignore env vars. 2019-09-13 13:13:52 +00:00
Common [ELF] For VS-style diagnostics, prefer printing full paths in the header. 2019-08-09 08:29:03 +00:00
ELF [ELF] Delete a redundant assignment to SectionBase::assigned. NFC 2019-09-13 02:18:04 +00:00
MinGW [MinGW] Correct handling different forms of a few options 2019-08-14 09:35:44 +00:00
cmake/modules [CMake] Properly conditionalize installation of lld libraries 2018-03-09 13:09:36 +00:00
docs lld-link: Add a flag /lldignoreenv that makes lld-link ignore env vars. 2019-09-13 13:13:52 +00:00
include/lld [LLD] Migrate llvm::make_unique to std::make_unique 2019-08-14 22:28:17 +00:00
lib [mach-o] Extend LC_DATA_IN_CODE support to x86_64 2019-08-28 10:11:50 +00:00
test lld-link: Add a flag /lldignoreenv that makes lld-link ignore env vars. 2019-09-13 13:13:52 +00:00
tools/lld Fix build breakage on Darwin. 2019-07-11 06:12:18 +00:00
unittests Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
utils Python 2/3 compatibility 2019-03-20 07:42:13 +00:00
wasm [WebAssembly] Initialize memory in start function 2019-09-04 19:50:39 +00:00
.arcconfig
…
.clang-format
…
.gitignore
…
CMakeLists.txt [CMake] Don't set Python_ADDITIONAL_VERSIONS 2019-07-18 15:17:42 +00:00
CODE_OWNERS.TXT
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LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
README.md
…

README.md

LLVM Linker (lld)

This directory and its subdirectories contain source code for the LLVM Linker, a modular cross platform linker which is built as part of the LLVM compiler infrastructure project.

lld is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt.

Benchmarking

In order to make sure various developers can evaluate patches over the same tests, we create a collection of self contained programs.

It is hosted at https://s3-us-west-2.amazonaws.com/linker-tests/lld-speed-test.tar.xz

The current sha256 is 10eec685463d5a8bbf08d77f4ca96282161d396c65bd97dc99dbde644a31610f.