1diff --git a/CMakeLists.txt b/CMakeLists.txt
2index b8326d08d23a..a1e36f713161 100644
3--- a/CMakeLists.txt
4+++ b/CMakeLists.txt
5@@ -187,7 +187,7 @@ set(LIBCXXABI_INSTALL_RUNTIME_DIR "${CMAKE_INSTALL_BINDIR}" CACHE PATH
6 if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
7 set(LIBCXXABI_HEADER_DIR ${LLVM_BINARY_DIR})
8 set(LIBCXXABI_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/${LLVM_DEFAULT_TARGET_TRIPLE})
9- set(LIBCXXABI_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE} CACHE PATH
10+ set(LIBCXXABI_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE} CACHE PATH
11 "Path where built libc++abi libraries should be installed.")
12 if(LIBCXX_LIBDIR_SUBDIR)
13 string(APPEND LIBCXXABI_LIBRARY_DIR /${LIBCXXABI_LIBDIR_SUBDIR})
14@@ -201,7 +201,7 @@ else()
15 set(LIBCXXABI_HEADER_DIR ${CMAKE_BINARY_DIR})
16 set(LIBCXXABI_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXXABI_LIBDIR_SUFFIX})
17 endif()
18- set(LIBCXXABI_INSTALL_LIBRARY_DIR lib${LIBCXXABI_LIBDIR_SUFFIX} CACHE PATH
19+ set(LIBCXXABI_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LIBCXXABI_LIBDIR_SUFFIX} CACHE PATH
20 "Path where built libc++abi libraries should be installed.")
21 endif()
22