[libc-commits] [PATCH] D99484: Use `GNUInstallDirs` to support custom installation dirs.

[John Ericson via Phabricator via libc-commits]

Ericson2314 updated this revision to Diff 334152.
Ericson2314 added a comment.

include(GNUInstallDirs) in each project unconditionally

Before projects that might not be built standalone only included it when they
were, but then we got into a situation where no project included it, and
things broke. There module is designed so that it's inclusion is idempotent,
so we just always include it.

We split the `if` for separate projects however to ensure that any conditional
initialization code after declaring the project that might need these variables
had them. `CMAKE_INSTALL_DOCDIR` depends on the project name so I don't think
it's a good idea to include before the project declaration. That left splitting
the `if`s as the safest option.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99484/new/

https://reviews.llvm.org/D99484

Files:
  clang-tools-extra/clang-doc/tool/CMakeLists.txt
  clang-tools-extra/clang-include-fixer/find-all-symbols/tool/CMakeLists.txt
  clang-tools-extra/clang-include-fixer/tool/CMakeLists.txt
  clang-tools-extra/clang-tidy/CMakeLists.txt
  clang-tools-extra/clang-tidy/tool/CMakeLists.txt
  clang-tools-extra/modularize/CMakeLists.txt
  clang/CMakeLists.txt
  clang/cmake/modules/AddClang.cmake
  clang/lib/Headers/CMakeLists.txt
  clang/tools/c-index-test/CMakeLists.txt
  clang/tools/clang-format/CMakeLists.txt
  clang/tools/clang-rename/CMakeLists.txt
  clang/tools/libclang/CMakeLists.txt
  clang/tools/scan-build/CMakeLists.txt
  clang/tools/scan-view/CMakeLists.txt
  clang/utils/hmaptool/CMakeLists.txt
  compiler-rt/CMakeLists.txt
  compiler-rt/cmake/Modules/AddCompilerRT.cmake
  compiler-rt/cmake/Modules/CompilerRTDarwinUtils.cmake
  compiler-rt/cmake/Modules/CompilerRTUtils.cmake
  compiler-rt/cmake/base-config-ix.cmake
  compiler-rt/include/CMakeLists.txt
  compiler-rt/lib/dfsan/CMakeLists.txt
  flang/CMakeLists.txt
  flang/cmake/modules/AddFlang.cmake
  flang/tools/f18/CMakeLists.txt
  flang/tools/flang-driver/CMakeLists.txt
  libc/CMakeLists.txt
  libc/lib/CMakeLists.txt
  libcxx/CMakeLists.txt
  libcxx/cmake/Modules/HandleLibCXXABI.cmake
  libcxx/include/CMakeLists.txt
  libcxx/src/CMakeLists.txt
  libcxxabi/CMakeLists.txt
  libunwind/CMakeLists.txt
  libunwind/src/CMakeLists.txt
  lld/CMakeLists.txt
  lld/cmake/modules/AddLLD.cmake
  lld/tools/lld/CMakeLists.txt
  lldb/CMakeLists.txt
  lldb/cmake/modules/AddLLDB.cmake
  lldb/cmake/modules/LLDBConfig.cmake
  lldb/tools/intel-features/CMakeLists.txt
  llvm/CMakeLists.txt
  llvm/cmake/modules/AddLLVM.cmake
  llvm/cmake/modules/AddOCaml.cmake
  llvm/cmake/modules/AddSphinxTarget.cmake
  llvm/cmake/modules/CMakeLists.txt
  llvm/cmake/modules/LLVMInstallSymlink.cmake
  llvm/docs/CMake.rst
  llvm/examples/Bye/CMakeLists.txt
  llvm/include/llvm/CMakeLists.txt
  llvm/tools/llvm-config/BuildVariables.inc.in
  llvm/tools/llvm-config/llvm-config.cpp
  llvm/tools/lto/CMakeLists.txt
  llvm/tools/opt-viewer/CMakeLists.txt
  llvm/tools/remarks-shlib/CMakeLists.txt
  mlir/CMakeLists.txt
  mlir/cmake/modules/AddMLIR.cmake
  openmp/CMakeLists.txt
  openmp/libomptarget/plugins/amdgpu/CMakeLists.txt
  openmp/libomptarget/plugins/ve/CMakeLists.txt
  openmp/runtime/src/CMakeLists.txt
  openmp/tools/multiplex/CMakeLists.txt
  polly/CMakeLists.txt
  polly/cmake/CMakeLists.txt
  polly/cmake/polly_macros.cmake
  polly/lib/External/CMakeLists.txt
  pstl/CMakeLists.txt

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