[PATCH] D39734: [cmake] Pass LLVM_USE_LINKER flag to CrossCompile toolchain if set

[Don Hinton via Phabricator via llvm-commits]

hintonda updated this revision to Diff 124608.
hintonda added a comment.

Rebase after https://reviews.llvm.org/rL319176.


https://reviews.llvm.org/D39734

Files:
  cmake/modules/CrossCompile.cmake


Index: cmake/modules/CrossCompile.cmake
===================================================================
--- cmake/modules/CrossCompile.cmake
+++ cmake/modules/CrossCompile.cmake
@@ -15,6 +15,9 @@
   if (buildtype)
     set(build_type_flags "-DCMAKE_BUILD_TYPE=${buildtype}")
   endif()
+  if (LLVM_USE_LINKER AND NOT CMAKE_CROSSCOMPILING)
+    set(linker_flag "-DLLVM_USE_LINKER=${LLVM_USE_LINKER}")
+  endif()
   if (LLVM_EXTERNAL_CLANG_SOURCE_DIR)
     # Propagate LLVM_EXTERNAL_CLANG_SOURCE_DIR so that clang-tblgen can be built
     set(external_clang_dir "-DLLVM_EXTERNAL_CLANG_SOURCE_DIR=${LLVM_EXTERNAL_CLANG_SOURCE_DIR}")
@@ -32,7 +35,7 @@
         ${CROSS_TOOLCHAIN_FLAGS_${target_name}} ${CMAKE_SOURCE_DIR}
         -DLLVM_TARGET_IS_CROSSCOMPILE_HOST=TRUE
         -DLLVM_TARGETS_TO_BUILD=${LLVM_TARGETS_TO_BUILD}
-        ${build_type_flags} ${external_clang_dir}
+        ${build_type_flags} ${linker_flag} ${external_clang_dir}
     WORKING_DIRECTORY ${LLVM_${target_name}_BUILD}
     DEPENDS CREATE_LLVM_${target_name}
     COMMENT "Configuring ${target_name} LLVM...")


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