[PATCH] D99170: [CMake] try creating symlink first on windows

[LJC via Phabricator via llvm-commits]

paperchalice updated this revision to Diff 332927.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99170/new/

https://reviews.llvm.org/D99170

Files:
  llvm/cmake/modules/LLVMInstallSymlink.cmake


Index: llvm/cmake/modules/LLVMInstallSymlink.cmake
===================================================================
--- llvm/cmake/modules/LLVMInstallSymlink.cmake
+++ llvm/cmake/modules/LLVMInstallSymlink.cmake
@@ -4,18 +4,17 @@
 
 function(install_symlink name target outdir)
   set(DESTDIR $ENV{DESTDIR})
-  if(CMAKE_HOST_UNIX)
-    set(LINK_OR_COPY create_symlink)
-  else()
-    set(LINK_OR_COPY copy)
-  endif()
-
   set(bindir "${DESTDIR}${CMAKE_INSTALL_PREFIX}/${outdir}/")
 
   message(STATUS "Creating ${name}")
 
   execute_process(
-    COMMAND "${CMAKE_COMMAND}" -E ${LINK_OR_COPY} "${target}" "${name}"
-    WORKING_DIRECTORY "${bindir}")
+    COMMAND "${CMAKE_COMMAND}" -E create_symlink "${target}" "${name}"
+    WORKING_DIRECTORY "${bindir}" ERROR_VARIABLE has_err)
+  if(CMAKE_HOST_WIN32 AND has_err)
+    execute_process(
+      COMMAND "${CMAKE_COMMAND}" -E copy "${target}" "${name}"
+      WORKING_DIRECTORY "${bindir}")
+  endif()
 
 endfunction()


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