From f8f2a788f06ea811503dbf035b0de182e2700b04 Mon Sep 17 00:00:00 2001 From: Petr Hosek Date: Tue, 24 Jul 2018 15:49:29 +0000 Subject: [PATCH] [CMake] Fix the setting of LIBCXX_HEADER_DIR in standalone build This is an alternative approach to r337727 which broke the build because libc++ headers were copied into the location outside of directories used by Clang. This change sets LIBCXX_HEADER_DIR to different values depending on whether libc++ is being built as part of LLVM w/ per-target multiarch runtime, LLVM or standalone. Differential Revision: https://reviews.llvm.org/D49711 llvm-svn: 337833 --- libcxx/CMakeLists.txt | 3 ++- libcxx/cmake/Modules/HandleLibCXXABI.cmake | 14 ++++++++------ 2 files changed, 10 insertions(+), 7 deletions(-) diff --git a/libcxx/CMakeLists.txt b/libcxx/CMakeLists.txt index df59b56..549be42 100644 --- a/libcxx/CMakeLists.txt +++ b/libcxx/CMakeLists.txt @@ -386,7 +386,6 @@ endif () set(LIBCXX_COMPILER ${CMAKE_CXX_COMPILER}) set(LIBCXX_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) set(LIBCXX_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) -set(LIBCXX_HEADER_DIR ${LLVM_BINARY_DIR}) set(LIBCXX_BINARY_INCLUDE_DIR "${LIBCXX_BINARY_DIR}/include/c++build") string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION @@ -399,8 +398,10 @@ if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE) set(LIBCXX_HEADER_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION}) elseif(LLVM_LIBRARY_OUTPUT_INTDIR) set(LIBCXX_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) + set(LIBCXX_HEADER_DIR ${LLVM_BINARY_DIR}) else() set(LIBCXX_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXX_LIBDIR_SUFFIX}) + set(LIBCXX_HEADER_DIR ${CMAKE_BINARY_DIR}) endif() file(MAKE_DIRECTORY "${LIBCXX_BINARY_INCLUDE_DIR}") diff --git a/libcxx/cmake/Modules/HandleLibCXXABI.cmake b/libcxx/cmake/Modules/HandleLibCXXABI.cmake index d837c3c..54b1e12 100644 --- a/libcxx/cmake/Modules/HandleLibCXXABI.cmake +++ b/libcxx/cmake/Modules/HandleLibCXXABI.cmake @@ -48,12 +48,14 @@ macro(setup_abi_lib abidefines abilib abifiles abidirs) COMMENT "Copying C++ ABI header ${fpath}...") list(APPEND abilib_headers "${dst}") - set(dst "${LIBCXX_HEADER_DIR}/include/c++/v1/${dstdir}/${fpath}") - add_custom_command(OUTPUT ${dst} - DEPENDS ${src} - COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst} - COMMENT "Copying C++ ABI header ${fpath}...") - list(APPEND abilib_headers "${dst}") + if (NOT LIBCXX_USING_INSTALLED_LLVM) + set(dst "${LIBCXX_HEADER_DIR}/include/c++/v1/${dstdir}/${fpath}") + add_custom_command(OUTPUT ${dst} + DEPENDS ${src} + COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst} + COMMENT "Copying C++ ABI header ${fpath}...") + list(APPEND abilib_headers "${dst}") + endif() if (LIBCXX_INSTALL_HEADERS) install(FILES "${LIBCXX_BINARY_INCLUDE_DIR}/${fpath}" -- 2.7.4