Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -34,6 +34,12 @@
 set(COMPILER_RT_BAREMETAL_BUILD OFF CACHE BOOLEAN
   "Build for a bare-metal target.")
 
+set(COMPILER_RT_LIBRARY_INSTALL_DIR "" CACHE PATH
+  "compiler-rt library install path")
+
+set(COMPILER_RT_LIBNAME "" CACHE STRING 
+  "Customize the library installation name")
+
 if (COMPILER_RT_STANDALONE_BUILD)
   load_llvm_config()
 
Index: cmake/Modules/AddCompilerRT.cmake
===================================================================
--- cmake/Modules/AddCompilerRT.cmake
+++ cmake/Modules/AddCompilerRT.cmake
@@ -134,6 +134,14 @@
         format_object_libs(sources_${libname} ${os} ${LIB_OBJECT_LIBS})
       endif()
     endforeach()
+  elseif(COMPILER_RT_LIBNAME)
+    set(libname "${name}")
+    set(output_name_${libname} ${libname}${COMPILER_RT_OS_SUFFIX})
+    message(STATUS "Setting libname to ${libname}")
+    message(STATUS "COMPILER_RT_OS_SUFFIX is ${COMPILER_RT_OS_SUFFIX}")
+    set(sources_${libname} ${LIB_SOURCES})
+    set(libnames ${libnames} ${libname})
+    set(extra_cflags_${libname} ${LIB_CFLAGS})
   else()
     foreach(arch ${LIB_ARCHS})
       if(NOT CAN_TARGET_${arch})
Index: cmake/base-config-ix.cmake
===================================================================
--- cmake/base-config-ix.cmake
+++ cmake/base-config-ix.cmake
@@ -68,8 +68,10 @@
 endif()
 set(COMPILER_RT_LIBRARY_OUTPUT_DIR
   ${COMPILER_RT_OUTPUT_DIR}/lib/${COMPILER_RT_OS_DIR})
-set(COMPILER_RT_LIBRARY_INSTALL_DIR
-  ${COMPILER_RT_INSTALL_PATH}/lib/${COMPILER_RT_OS_DIR})
+if (NOT COMPILER_RT_LIBRARY_INSTALL_DIR)
+  set(COMPILER_RT_LIBRARY_INSTALL_DIR
+    ${COMPILER_RT_INSTALL_PATH}/lib/${COMPILER_RT_OS_DIR})
+endif()
 
 if(APPLE)
   # On Darwin if /usr/include doesn't exist, the user probably has Xcode but not