@@ -1,5 +1,5 @@
11diff --git a/CMakeLists.txt b/CMakeLists.txt
2−index 9bf1a02f0908..612cd4aab76c 100644
2+index 06ee1d74a03e..6c3c6f8f8d47 100644
33--- a/CMakeLists.txt
44+++ b/CMakeLists.txt
55@@ -28,6 +28,8 @@ set(LIBCXX_BINARY_INCLUDE_DIR "${LIBCXX_BINARY_DIR}/include/c++build")
@@ -9,92 +9,73 @@ index 9bf1a02f0908..612cd4aab76c 100644
99+ include(GNUInstallDirs)
1010+
1111 set(PACKAGE_NAME libcxx)
12− set(PACKAGE_VERSION 12.0.0)
12+ set(PACKAGE_VERSION 13.0.0git)
1313 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
14−@@ -402,7 +404,7 @@ endif ()
15− if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
16− set(LIBCXX_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/${LLVM_DEFAULT_TARGET_TRIPLE}/c++)
17− set(LIBCXX_HEADER_DIR ${LLVM_BINARY_DIR})
18−- set(LIBCXX_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE}/c++)
19−+ set(LIBCXX_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE}/c++)
14+@@ -409,7 +411,7 @@ 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})
19++ set(LIBCXX_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE})
20+ set(LIBCXX_INSTALL_INCLUDE_DIR "include/c++/v1")
21+ set(LIBCXX_INSTALL_INCLUDE_TARGET_DIR "include/${LLVM_DEFAULT_TARGET_TRIPLE}/c++/v1")
2022 if(LIBCXX_LIBDIR_SUBDIR)
21− string(APPEND LIBCXX_LIBRARY_DIR /${LIBCXX_LIBDIR_SUBDIR})
22− string(APPEND LIBCXX_INSTALL_LIBRARY_DIR /${LIBCXX_LIBDIR_SUBDIR})
23−@@ -410,11 +412,11 @@ if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
24− elseif(LLVM_LIBRARY_OUTPUT_INTDIR)
23+@@ -420,14 +422,14 @@ elseif(LLVM_LIBRARY_OUTPUT_INTDIR)
2524 set(LIBCXX_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
26− set(LIBCXX_HEADER_DIR ${LLVM_BINARY_DIR})
25+ set(LIBCXX_GENERATED_INCLUDE_DIR "${LLVM_BINARY_DIR}/include/c++/v1")
26+ set(LIBCXX_GENERATED_INCLUDE_TARGET_DIR "${LIBCXX_GENERATED_INCLUDE_DIR}")
2727- set(LIBCXX_INSTALL_LIBRARY_DIR lib${LIBCXX_LIBDIR_SUFFIX})
2828+ set(LIBCXX_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LIBCXX_LIBDIR_SUFFIX})
29+ set(LIBCXX_INSTALL_INCLUDE_DIR "include/c++/v1")
30+ set(LIBCXX_INSTALL_INCLUDE_TARGET_DIR "${LIBCXX_INSTALL_INCLUDE_DIR}")
2931 else()
3032 set(LIBCXX_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXX_LIBDIR_SUFFIX})
31− set(LIBCXX_HEADER_DIR ${CMAKE_BINARY_DIR})
33+ set(LIBCXX_GENERATED_INCLUDE_DIR "${CMAKE_BINARY_DIR}/include/c++/v1")
34+ set(LIBCXX_GENERATED_INCLUDE_TARGET_DIR "${LIBCXX_GENERATED_INCLUDE_DIR}")
3235- set(LIBCXX_INSTALL_LIBRARY_DIR lib${LIBCXX_LIBDIR_SUFFIX})
3336+ set(LIBCXX_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LIBCXX_LIBDIR_SUFFIX})
37+ set(LIBCXX_INSTALL_INCLUDE_DIR "include/c++/v1")
38+ set(LIBCXX_INSTALL_INCLUDE_TARGET_DIR "${LIBCXX_INSTALL_INCLUDE_DIR}")
3439 endif()
35−
36− file(MAKE_DIRECTORY "${LIBCXX_BINARY_INCLUDE_DIR}")
3740diff --git a/cmake/Modules/HandleLibCXXABI.cmake b/cmake/Modules/HandleLibCXXABI.cmake
38−index 5d2764e870e9..bb1ec5de6ca2 100644
41+index 5a8a4a270a1a..c06bae0001aa 100644
3942--- a/cmake/Modules/HandleLibCXXABI.cmake
4043+++ b/cmake/Modules/HandleLibCXXABI.cmake
4144@@ -63,7 +63,7 @@ macro(setup_abi_lib abidefines abishared abistatic abifiles abidirs)
4245
4346 if (LIBCXX_INSTALL_HEADERS)
4447 install(FILES "${LIBCXX_BINARY_INCLUDE_DIR}/${fpath}"
45−- DESTINATION ${LIBCXX_INSTALL_HEADER_PREFIX}include/c++/v1/${dstdir}
46−+ DESTINATION ${LIBCXX_INSTALL_HEADER_PREFIX}${CMAKE_INSTALL_INCLUDEDIR}/c++/v1/${dstdir}
48+- DESTINATION include/c++/v1/${dstdir}
49++ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/c++/v1/${dstdir}
4750 COMPONENT cxx-headers
4851 PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
4952 )
50−diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
51−index 29a317b8ae9a..4747263cfd1b 100644
52−--- a/include/CMakeLists.txt
53−+++ b/include/CMakeLists.txt
54−@@ -252,7 +252,7 @@ if (LIBCXX_INSTALL_HEADERS)
55− foreach(file ${files})
56− get_filename_component(dir ${file} DIRECTORY)
57− install(FILES ${file}
58−- DESTINATION ${LIBCXX_INSTALL_HEADER_PREFIX}include/c++/v1/${dir}
59−+ DESTINATION ${LIBCXX_INSTALL_HEADER_PREFIX}${CMAKE_INSTALL_INCLUDEDIR}/c++/v1/${dir}
60− COMPONENT cxx-headers
61− PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
62− )
63−@@ -260,7 +260,7 @@ if (LIBCXX_INSTALL_HEADERS)
64−
65− # Install the generated header as __config.
66− install(FILES ${LIBCXX_BINARY_DIR}/__generated_config
67−- DESTINATION ${LIBCXX_INSTALL_HEADER_PREFIX}include/c++/v1
68−+ DESTINATION ${LIBCXX_INSTALL_HEADER_PREFIX}${CMAKE_INSTALL_INCLUDEDIR}/c++/v1
69− PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
70− RENAME __config
71− COMPONENT cxx-headers)
7253diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
73−index 9965104cb5b2..9b55dbb1d822 100644
54+index 87b71f7ba334..d20a783079b7 100644
7455--- a/src/CMakeLists.txt
7556+++ b/src/CMakeLists.txt
76−@@ -352,21 +352,21 @@ if (LIBCXX_INSTALL_SHARED_LIBRARY)
57+@@ -369,21 +369,21 @@ if (LIBCXX_INSTALL_SHARED_LIBRARY)
7758 install(TARGETS cxx_shared
78− ARCHIVE DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
79− LIBRARY DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
80−- RUNTIME DESTINATION ${LIBCXX_INSTALL_PREFIX}bin COMPONENT cxx)
81−+ RUNTIME DESTINATION ${LIBCXX_INSTALL_PREFIX}${CMAKE_INSTALL_BINDIR} COMPONENT cxx)
59+ ARCHIVE DESTINATION ${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
60+ LIBRARY DESTINATION ${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
61+- RUNTIME DESTINATION bin COMPONENT cxx)
62++ RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT cxx)
8263 endif()
8364
8465 if (LIBCXX_INSTALL_STATIC_LIBRARY)
8566 install(TARGETS cxx_static
86− ARCHIVE DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
87− LIBRARY DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
88−- RUNTIME DESTINATION ${LIBCXX_INSTALL_PREFIX}bin COMPONENT cxx)
89−+ RUNTIME DESTINATION ${LIBCXX_INSTALL_PREFIX}${CMAKE_INSTALL_BINDIR} COMPONENT cxx)
67+ ARCHIVE DESTINATION ${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
68+ LIBRARY DESTINATION ${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
69+- RUNTIME DESTINATION bin COMPONENT cxx)
70++ RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT cxx)
9071 endif()
9172
9273 if(LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY)
9374 install(TARGETS cxx_experimental
94− LIBRARY DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
95− ARCHIVE DESTINATION ${LIBCXX_INSTALL_PREFIX}${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
96−- RUNTIME DESTINATION ${LIBCXX_INSTALL_PREFIX}bin COMPONENT cxx)
97−+ RUNTIME DESTINATION ${LIBCXX_INSTALL_PREFIX}${CMAKE_INSTALL_BINDIR} COMPONENT cxx)
75+ LIBRARY DESTINATION ${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
76+ ARCHIVE DESTINATION ${LIBCXX_INSTALL_LIBRARY_DIR} COMPONENT cxx
77+- RUNTIME DESTINATION bin COMPONENT cxx)
78++ RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT cxx)
9879 endif()
9980
10081 # NOTE: This install command must go after the cxx install command otherwise