Only use lld with Clang on Linux. Fixes #25

Author: jwtowner

CMakeLists.txt

@@ -17,7 +17,7 @@ if(NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE Release)
 endif()
 
-if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND (UNIX AND NOT APPLE))
   set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=lld")
   set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fuse-ld=lld")
 endif()
@@ -67,18 +67,19 @@ function(setup_executable_target target_name)
   endif()
   if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     target_compile_options(${target_name} PRIVATE -stdlib=libc++ -Wextra-semi-stmt -Wshadow-all)
-    target_link_options(${target_name} PRIVATE -stdlib=libc++ -fuse-ld=lld)
+    target_link_options(${target_name} PRIVATE -stdlib=libc++)
     if (UNIX AND NOT APPLE)
       target_link_libraries(${target_name} PRIVATE c++ c++abi m)
-    endif()    
+      target_link_options(${target_name} PRIVATE -fuse-ld=lld)
+    endif()
   endif()
   if (MSVC)
     target_compile_options(${target_name} PRIVATE
       /W4 /permissive /sdl /utf-8 /Za /Zc:__cplusplus /Zc:rvalueCast /Zc:inline
       /Zc:strictStrings /Zc:throwingNew /Zc:referenceBinding /Zc:wchar_t)
     target_link_options(${target_name} PRIVATE
       $<$<OR:$<CONFIG:Release>,$<CONFIG:MinSizeRel>>:/OPT:REF /OPT:ICF>)
-  endif()  
+  endif()
 endfunction()
 
 option(BUILD_TESTS "Build tests" ON)