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PR31540: install libc++abi headers into include/c++/v1 in build area.

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This allows an in-build-area clang binary to find <cxxabi.h>.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@291065 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Smith 2017-01-05 02:55:10 +00:00
parent d0f20b2b08
commit 5a60459a22
1 changed files with 9 additions and 1 deletions
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10
cmake/Modules/HandleLibCXXABI.cmake
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@ -10,7 +10,10 @@
# abidefines: A list of defines needed to compile libc++ with the ABI library
# abilib : The ABI library to link against.
# abifiles : A list of files (which may be relative paths) to copy into the
# libc++ build tree for the build. These files will also be
# libc++ build tree for the build. These files will be copied
# twice: once into include/, so the libc++ build itself can find
# them, and once into include/c++/v1, so that a clang built into
# the same build area will find them. These files will also be
# installed alongside the libc++ headers.
# abidirs : A list of relative paths to create under an include directory
# in the libc++ build directory.
@ -31,8 +34,10 @@ macro(setup_abi_lib abidefines abilib abifiles abidirs)
# The place in the build tree where we store out-of-source headers.
set(LIBCXX_BUILD_HEADERS_ROOT "${CMAKE_BINARY_DIR}/include/c++-build")
file(MAKE_DIRECTORY "${LIBCXX_BUILD_HEADERS_ROOT}")
file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/include/c++/v1")
foreach(_d ${abidirs})
file(MAKE_DIRECTORY "${LIBCXX_BUILD_HEADERS_ROOT}/${_d}")
file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/include/c++/v1/${_d}")
endforeach()
foreach(fpath ${LIBCXX_ABILIB_FILES})
@ -45,6 +50,9 @@ macro(setup_abi_lib abidefines abilib abifiles abidirs)
file(COPY "${incpath}/${fpath}"
DESTINATION "${LIBCXX_BUILD_HEADERS_ROOT}/${dstdir}"
)
file(COPY "${incpath}/${fpath}"
DESTINATION "${CMAKE_BINARY_DIR}/include/c++/v1/${dstdir}"
)
if (LIBCXX_INSTALL_HEADERS)
install(FILES "${LIBCXX_BUILD_HEADERS_ROOT}/${fpath}"
DESTINATION include/c++/v1/${dstdir}