[all-commits] [llvm/llvm-project] 5e31e8: [compiler-rt] Use locally configured llvm-lit for ...

[Alexander Richardson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5e31e82698d9f1d3f1dd881c87b8c5399d790772
      https://github.com/llvm/llvm-project/commit/5e31e82698d9f1d3f1dd881c87b8c5399d790772
  Author: Alexander Richardson <alexrichardson at google.com>
  Date:   2024-02-27 (Tue, 27 Feb 2024)

  Changed paths:
    M compiler-rt/CMakeLists.txt

  Log Message:
  -----------
  [compiler-rt] Use locally configured llvm-lit for standalone builds (#83178)

When building a standalone build with
`-DLLVM_CMAKE_DIR=$HOME/output/llvm-install
-DCOMPILER_RT_INCLUDE_TESTS=ON`, the current code will attempt to use
`LLVM_DEFAULT_EXTERNAL_LIT` which is set to
`$HOME/output/llvm-install/bin/llvm-lit` inside `LLVMConfig.cmake` even
though it is not actually installed. If we are adding the llvm-lit
subdirectory, we can use `get_llvm_lit_path()` immediately afterwards to
set LLVM_EXTERNAL_LIT so that subsequent calls within
`add_lit_testsuite()` use llvm-lit from the current build directory
instead of the nonexistant one.



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