1diff --git a/CMakeLists.txt b/CMakeLists.txt
2index 9fb35860d483..5739d9e8af62 100644
3--- a/CMakeLists.txt
4+++ b/CMakeLists.txt
5@@ -27,6 +27,8 @@ set(LIBCXXABI_LIBCXX_PATH "${CMAKE_CURRENT_LIST_DIR}/../libcxx" CACHE PATH
6 if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR OR LIBCXXABI_STANDALONE_BUILD)
7 project(libcxxabi CXX C)
8
9+ include(GNUInstallDirs)
10+
11 set(PACKAGE_NAME libcxxabi)
12 set(PACKAGE_VERSION 11.0.0git)
13 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
14@@ -195,7 +197,7 @@ set(CMAKE_MODULE_PATH
15 if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
16 set(LIBCXXABI_HEADER_DIR ${LLVM_BINARY_DIR})
17 set(LIBCXXABI_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/${LLVM_DEFAULT_TARGET_TRIPLE})
18- set(LIBCXXABI_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE} CACHE PATH
19+ set(LIBCXXABI_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE} CACHE PATH
20 "Path where built libc++abi libraries should be installed.")
21 if(LIBCXX_LIBDIR_SUBDIR)
22 string(APPEND LIBCXXABI_LIBRARY_DIR /${LIBCXXABI_LIBDIR_SUBDIR})
23@@ -204,12 +206,12 @@ if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
24 elseif(LLVM_LIBRARY_OUTPUT_INTDIR)
25 set(LIBCXXABI_HEADER_DIR ${LLVM_BINARY_DIR})
26 set(LIBCXXABI_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
27- set(LIBCXXABI_INSTALL_LIBRARY_DIR lib${LIBCXXABI_LIBDIR_SUFFIX} CACHE PATH
28+ set(LIBCXXABI_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LIBCXXABI_LIBDIR_SUFFIX} CACHE PATH
29 "Path where built libc++abi libraries should be installed.")
30 else()
31 set(LIBCXXABI_HEADER_DIR ${CMAKE_BINARY_DIR})
32 set(LIBCXXABI_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXXABI_LIBDIR_SUFFIX})
33- set(LIBCXXABI_INSTALL_LIBRARY_DIR lib${LIBCXXABI_LIBDIR_SUFFIX} CACHE PATH
34+ set(LIBCXXABI_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LIBCXXABI_LIBDIR_SUFFIX} CACHE PATH
35 "Path where built libc++abi libraries should be installed.")
36 endif()
37