[PATCH] D22896: [LLVM] Add LLVM_ENABLE_LLD option to use LLD as C/C++ linker.

[Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL277093: Add LLVM_ENABLE_LLD option to use LLD as C/C++ linker. (authored by eugenezelenko).

Changed prior to commit:
  https://reviews.llvm.org/D22896?vs=66060&id=66066#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D22896

Files:
  llvm/trunk/CMakeLists.txt
  llvm/trunk/cmake/modules/HandleLLVMOptions.cmake

Index: llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
===================================================================
--- llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
+++ llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
@@ -144,6 +144,12 @@
   endif()
 endfunction()
 
+if(LLVM_ENABLE_LLD)
+  check_cxx_compiler_flag("-fuse-ld=lld" CXX_SUPPORTS_LLD)
+  append_if(CXX_SUPPORTS_LLD "-fuse-ld=lld"
+    CMAKE_EXE_LINKER_FLAGS CMAKE_MODULE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
+endif()
+
 if( LLVM_ENABLE_PIC )
   if( XCODE )
     # Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
Index: llvm/trunk/CMakeLists.txt
===================================================================
--- llvm/trunk/CMakeLists.txt
+++ llvm/trunk/CMakeLists.txt
@@ -317,6 +317,7 @@
 option(LLVM_ENABLE_CXX1Y "Compile with C++1y enabled." OFF)
 option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
 option(LLVM_ENABLE_LIBCXXABI "Use libc++abi when using libc++." OFF)
+option(LLVM_ENABLE_LLD "Use lld as C and C++ linker." OFF)
 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
 


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