diff --git a/CMakeLists.txt b/CMakeLists.txt
index dcc649629a4b..58dca54642e4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -70,13 +70,15 @@ if(LLD_BUILT_STANDALONE)
   if (NOT LLVM_CONFIG_FOUND)
     # Pull values from LLVMConfig.cmake.  We can drop this once the llvm-config
     # path is removed.
-    set(MAIN_INCLUDE_DIR "${LLVM_INCLUDE_DIR}")
+    set(INCLUDE_DIRS ${LLVM_INCLUDE_DIRS})
     set(LLVM_OBJ_DIR "${LLVM_BINARY_DIR}")
     # N.B. this is just a default value, the CACHE PATHs below can be overridden.
     set(MAIN_SRC_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../llvm")
+  else()
+    set(INCLUDE_DIRS "${LLVM_BINARY_DIR}/include" "${MAIN_INCLUDE_DIR}")
   endif()
 
-  set(LLVM_MAIN_INCLUDE_DIR "${MAIN_INCLUDE_DIR}" CACHE PATH "Path to llvm/include")
+  set(LLVM_INCLUDE_DIRS ${INCLUDE_DIRS} CACHE PATH "Path to llvm/include and any other header dirs needed")
   set(LLVM_BINARY_DIR "${LLVM_OBJ_ROOT}" CACHE PATH "Path to LLVM build tree")
   set(LLVM_MAIN_SRC_DIR "${MAIN_SRC_DIR}" CACHE PATH "Path to LLVM source tree")
 
@@ -95,7 +97,7 @@ if(LLD_BUILT_STANDALONE)
 
   set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")
 
-  include_directories("${LLVM_BINARY_DIR}/include" ${LLVM_INCLUDE_DIRS})
+  include_directories(${LLVM_INCLUDE_DIRS})
   link_directories(${LLVM_LIBRARY_DIRS})
 
   if(LLVM_INCLUDE_TESTS)
diff --git a/cmake/modules/AddLLD.cmake b/cmake/modules/AddLLD.cmake
index d3924f7243d4..42a7cd62281c 100644
--- a/cmake/modules/AddLLD.cmake
+++ b/cmake/modules/AddLLD.cmake
@@ -18,8 +18,8 @@ macro(add_lld_library name)
     install(TARGETS ${name}
       COMPONENT ${name}
       ${export_to_lldtargets}
-      LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
-      ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
+      LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX}"
+      ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX}"
       RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
 
     if (${ARG_SHARED} AND NOT CMAKE_CONFIGURATION_TYPES)