[PATCH] D136573: [llvm] [cmake] Silence GNUInstallDirs warning in LLVMInstallSymlink

[Michał Górny via Phabricator via llvm-commits]

mgorny created this revision.
mgorny added reviewers: Ericson2314, sebastian-ne, MaskRay, thesamesam.
Herald added a subscriber: StephenFan.
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Herald added a project: LLVM.

Set a dummy CMAKE_INSTALL_LIBDIR in order to silence the following CMake
warning when executing LLVMInstallSymlink.cmake script:

  CMake Warning (dev) at /usr/share/cmake/Modules/GNUInstallDirs.cmake:243 (message):
    Unable to determine default CMAKE_INSTALL_LIBDIR directory because no
    target architecture is known.  Please enable at least one language before
    including GNUInstallDirs.
  Call Stack (most recent call first):
    /usr/lib/llvm/16/lib64/cmake/llvm/LLVMInstallSymlink.cmake:5 (include)
    tools/lld/cmake_install.cmake:66 (include)
    cmake_install.cmake:52 (include)


https://reviews.llvm.org/D136573

Files:
  llvm/cmake/modules/LLVMInstallSymlink.cmake


Index: llvm/cmake/modules/LLVMInstallSymlink.cmake
===================================================================
--- llvm/cmake/modules/LLVMInstallSymlink.cmake
+++ llvm/cmake/modules/LLVMInstallSymlink.cmake
@@ -2,6 +2,9 @@
 # DESTDIR environment variable may be unset at configuration time.
 # See PR8397.
 
+# Set to an arbitrary directory to silence GNUInstallDirs warnings
+# regarding being unable to determine libdir.
+set(CMAKE_INSTALL_LIBDIR "lib")
 include(GNUInstallDirs)
 
 function(install_symlink name target outdir)


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