1diff --git a/CMakeLists.txt b/CMakeLists.txt
2index b1e25358d41a..7fe1f4d85401 100644
3--- a/CMakeLists.txt
4+++ b/CMakeLists.txt
5@@ -26,6 +26,8 @@ set(LIBCXX_BINARY_INCLUDE_DIR "${LIBCXX_BINARY_DIR}/include/c++build")
6 if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR OR LIBCXX_STANDALONE_BUILD)
7 project(libcxx CXX C)
8
9+ include(GNUInstallDirs)
10+
11 set(PACKAGE_NAME libcxx)
12 set(PACKAGE_VERSION 13.0.0git)
13 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
14@@ -412,7 +414,7 @@ if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
15 set(LIBCXX_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/${LLVM_DEFAULT_TARGET_TRIPLE})
16 set(LIBCXX_GENERATED_INCLUDE_DIR "${LLVM_BINARY_DIR}/include/c++/v1")
17 set(LIBCXX_GENERATED_INCLUDE_TARGET_DIR "${LLVM_BINARY_DIR}/include/${LLVM_DEFAULT_TARGET_TRIPLE}/c++/v1")
18- set(LIBCXX_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE} CACHE PATH
19+ set(LIBCXX_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE} CACHE PATH
20 "Path where built libc++ libraries should be installed.")
21 set(LIBCXX_INSTALL_INCLUDE_DIR "include/c++/v1" CACHE PATH
22 "Path where target-agnostic libc++ headers should be installed.")
23@@ -426,7 +428,7 @@ elseif(LLVM_LIBRARY_OUTPUT_INTDIR)
24 set(LIBCXX_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
25 set(LIBCXX_GENERATED_INCLUDE_DIR "${LLVM_BINARY_DIR}/include/c++/v1")
26 set(LIBCXX_GENERATED_INCLUDE_TARGET_DIR "${LIBCXX_GENERATED_INCLUDE_DIR}")
27- set(LIBCXX_INSTALL_LIBRARY_DIR lib${LIBCXX_LIBDIR_SUFFIX} CACHE PATH
28+ set(LIBCXX_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LIBCXX_LIBDIR_SUFFIX} CACHE PATH
29 "Path where built libc++ libraries should be installed.")
30 set(LIBCXX_INSTALL_INCLUDE_DIR "include/c++/v1" CACHE PATH
31 "Path where target-agnostic libc++ headers should be installed.")
32@@ -436,7 +438,7 @@ else()
33 set(LIBCXX_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXX_LIBDIR_SUFFIX})
34 set(LIBCXX_GENERATED_INCLUDE_DIR "${CMAKE_BINARY_DIR}/include/c++/v1")
35 set(LIBCXX_GENERATED_INCLUDE_TARGET_DIR "${LIBCXX_GENERATED_INCLUDE_DIR}")
36- set(LIBCXX_INSTALL_LIBRARY_DIR lib${LIBCXX_LIBDIR_SUFFIX} CACHE PATH
37+ set(LIBCXX_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LIBCXX_LIBDIR_SUFFIX} CACHE PATH
38 "Path where built libc++ libraries should be installed.")
39 set(LIBCXX_INSTALL_INCLUDE_DIR "include/c++/v1" CACHE PATH
40 "Path where target-agnostic libc++ headers should be installed.")
41diff --git a/cmake/Modules/HandleLibCXXABI.cmake b/cmake/Modules/HandleLibCXXABI.cmake
42index 5a8a4a270a1a..c06bae0001aa 100644
43--- a/cmake/Modules/HandleLibCXXABI.cmake
44+++ b/cmake/Modules/HandleLibCXXABI.cmake
45@@ -63,7 +63,7 @@ macro(setup_abi_lib abidefines abishared abistatic abifiles abidirs)
46
47 if (LIBCXX_INSTALL_HEADERS)
48 install(FILES "${LIBCXX_BINARY_INCLUDE_DIR}/${fpath}"
49- DESTINATION include/c++/v1/${dstdir}
50+ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/c++/v1/${dstdir}
51 COMPONENT cxx-headers
52 PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
53 )
54diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
55index 496429f3841e..1a0c9c0a3159 100644
56--- a/src/CMakeLists.txt
57+++ b/src/CMakeLists.txt
58@@ -376,21 +376,21 @@ if (LIBCXX_INSTALL_SHARED_LIBRARY)
59 install(TARGETS cxx_shared
60 ARCHIVE DESTINATION ${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
61 LIBRARY DESTINATION ${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
62- RUNTIME DESTINATION bin COMPONENT cxx)
63+ RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT cxx)
64 endif()
65
66 if (LIBCXX_INSTALL_STATIC_LIBRARY)
67 install(TARGETS cxx_static
68 ARCHIVE DESTINATION ${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
69 LIBRARY DESTINATION ${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
70- RUNTIME DESTINATION bin COMPONENT cxx)
71+ RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT cxx)
72 endif()
73
74 if(LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY)
75 install(TARGETS cxx_experimental
76 LIBRARY DESTINATION ${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
77 ARCHIVE DESTINATION ${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
78- RUNTIME DESTINATION bin COMPONENT cxx)
79+ RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT cxx)
80 endif()
81
82 # NOTE: This install command must go after the cxx install command otherwise