mirror of
https://github.com/Gericom/teak-llvm.git
synced 2025-06-19 03:25:54 -04:00
c20c182df3
Using file(COPY FILE...) has several downsides. Since the file command is only executed at configuration time, any changes to headers made after the initial CMake execution are ignored. This can lead to subtle errors since the just built Clang will be using stale libc++ headers. Furthermore, since the headers are copied prior to executing the build system, this may hide missing dependencies on libc++ from other LLVM components. This changes replaces the use of file(COPY FILE...) command with a custom command and target which addresses all aforementioned issues and matches the implementation already used by other LLVM components that also install headers like Clang builtin headers. Differential Revision: https://reviews.llvm.org/D44773 llvm-svn: 334468
269 lines
5.8 KiB
CMake
269 lines
5.8 KiB
CMake
set(files
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__bit_reference
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__bsd_locale_defaults.h
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__bsd_locale_fallbacks.h
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__debug
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__functional_03
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__functional_base
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__functional_base_03
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__hash_table
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__libcpp_version
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__locale
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__mutex_base
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__nullptr
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__split_buffer
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__sso_allocator
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__std_stream
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__string
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__threading_support
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__tree
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__tuple
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__undef_macros
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algorithm
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any
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array
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atomic
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bitset
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cassert
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ccomplex
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cctype
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cerrno
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cfenv
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cfloat
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chrono
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cinttypes
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ciso646
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climits
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clocale
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cmath
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codecvt
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compare
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complex
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complex.h
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condition_variable
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csetjmp
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csignal
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cstdarg
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cstdbool
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cstddef
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cstdint
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cstdio
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cstdlib
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cstring
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ctgmath
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ctime
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ctype.h
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cwchar
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cwctype
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deque
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errno.h
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exception
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experimental/__config
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experimental/__memory
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experimental/algorithm
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experimental/any
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experimental/chrono
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experimental/coroutine
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experimental/deque
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experimental/dynarray
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experimental/filesystem
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experimental/forward_list
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experimental/functional
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experimental/iterator
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experimental/list
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experimental/map
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experimental/memory_resource
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experimental/numeric
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experimental/optional
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experimental/propagate_const
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experimental/ratio
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experimental/regex
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experimental/set
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experimental/simd
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experimental/string
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experimental/string_view
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experimental/system_error
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experimental/tuple
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experimental/type_traits
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experimental/unordered_map
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experimental/unordered_set
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experimental/utility
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experimental/vector
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ext/__hash
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ext/hash_map
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ext/hash_set
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float.h
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forward_list
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fstream
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functional
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future
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initializer_list
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inttypes.h
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iomanip
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ios
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iosfwd
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iostream
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istream
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iterator
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limits
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limits.h
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list
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locale
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locale.h
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map
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math.h
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memory
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module.modulemap
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mutex
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new
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numeric
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optional
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ostream
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queue
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random
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ratio
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regex
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scoped_allocator
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set
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setjmp.h
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shared_mutex
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sstream
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stack
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stdbool.h
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stddef.h
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stdexcept
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stdint.h
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stdio.h
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stdlib.h
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streambuf
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string
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string.h
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string_view
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strstream
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system_error
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tgmath.h
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thread
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tuple
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type_traits
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typeindex
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typeinfo
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unordered_map
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unordered_set
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utility
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valarray
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variant
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vector
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version
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wchar.h
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wctype.h
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)
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if(LIBCXX_INSTALL_SUPPORT_HEADERS)
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set(files
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${files}
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support/android/locale_bionic.h
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support/fuchsia/xlocale.h
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support/ibm/limits.h
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support/ibm/locale_mgmt_aix.h
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support/ibm/support.h
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support/ibm/xlocale.h
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support/musl/xlocale.h
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support/newlib/xlocale.h
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support/solaris/floatingpoint.h
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support/solaris/wchar.h
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support/solaris/xlocale.h
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support/win32/limits_msvc_win32.h
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support/win32/locale_win32.h
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support/xlocale/__nop_locale_mgmt.h
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support/xlocale/__posix_l_fallback.h
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support/xlocale/__strtonum_fallback.h
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support/xlocale/xlocale.h
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)
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endif()
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if (LIBCXX_NEEDS_SITE_CONFIG)
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# Generate a custom __config header. The new header is created
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# by prepending __config_site to the current __config header.
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add_custom_command(OUTPUT ${LIBCXX_BINARY_DIR}/__generated_config
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COMMAND ${PYTHON_EXECUTABLE} ${LIBCXX_SOURCE_DIR}/utils/cat_files.py
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${LIBCXX_BINARY_DIR}/__config_site
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${LIBCXX_SOURCE_DIR}/include/__config
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-o ${LIBCXX_BINARY_DIR}/__generated_config
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DEPENDS ${LIBCXX_SOURCE_DIR}/include/__config
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${LIBCXX_BINARY_DIR}/__config_site
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)
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# Add a target that executes the generation commands.
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add_custom_target(cxx-generated-config ALL
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DEPENDS ${LIBCXX_BINARY_DIR}/__generated_config)
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set(generated_config_deps cxx-generated-config)
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else()
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set(files
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${files}
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__config
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)
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endif()
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if(NOT LIBCXX_USING_INSTALLED_LLVM AND LLVM_BINARY_DIR)
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set(output_dir ${LLVM_BINARY_DIR}/include/c++/v1)
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set(out_files)
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foreach(f ${files})
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set(src ${CMAKE_CURRENT_SOURCE_DIR}/${f})
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set(dst ${output_dir}/${f})
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add_custom_command(OUTPUT ${dst}
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DEPENDS ${src}
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COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst}
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COMMENT "Copying CXX header ${f}")
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list(APPEND out_files ${dst})
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endforeach()
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if (LIBCXX_NEEDS_SITE_CONFIG)
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# Copy the generated header as __config into build directory.
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set(src ${LIBCXX_BINARY_DIR}/__generated_config)
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set(dst ${output_dir}/__config)
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add_custom_command(OUTPUT ${dst}
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DEPENDS ${src} ${generated_config_deps}
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COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst}
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COMMENT "Copying CXX __config")
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list(APPEND out_files ${dst})
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endif()
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add_custom_target(cxx-headers ALL DEPENDS ${out_files} ${LIBCXX_CXX_ABI_LIBRARY_HEADERS})
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else()
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add_custom_target(cxx-headers)
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endif()
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set_target_properties(cxx-headers PROPERTIES FOLDER "Misc")
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if (LIBCXX_INSTALL_HEADERS)
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foreach(file ${files})
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get_filename_component(dir ${file} DIRECTORY)
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install(FILES ${file}
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DESTINATION ${LIBCXX_INSTALL_PREFIX}include/c++/v1/${dir}
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COMPONENT cxx-headers
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PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
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)
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endforeach()
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if (LIBCXX_NEEDS_SITE_CONFIG)
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# Install the generated header as __config.
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install(FILES ${LIBCXX_BINARY_DIR}/__generated_config
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DESTINATION ${LIBCXX_INSTALL_PREFIX}include/c++/v1
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PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
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RENAME __config
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COMPONENT cxx-headers)
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endif()
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if (NOT CMAKE_CONFIGURATION_TYPES)
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add_custom_target(install-cxx-headers
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DEPENDS cxx-headers ${generated_config_deps}
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COMMAND "${CMAKE_COMMAND}"
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-DCMAKE_INSTALL_COMPONENT=cxx-headers
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-P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
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# Stripping is a no-op for headers
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add_custom_target(install-cxx-headers-stripped DEPENDS install-cxx-headers)
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add_custom_target(install-libcxx-headers DEPENDS install-cxx-headers)
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add_custom_target(install-libcxx-headers-stripped DEPENDS install-cxx-headers-stripped)
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endif()
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endif()
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