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# The headers of Table 24: C++ library headers [tab:headers.cpp]
# and the headers of Table 25: C++ headers for C library facilities [tab:headers.cpp.c]
set(LIBCXX_MODULE_STD_SOURCES
std/algorithm.inc
std/any.inc
std/array.inc
std/atomic.inc
std/barrier.inc
std/bit.inc
std/bitset.inc
std/cassert.inc
std/cctype.inc
std/cerrno.inc
std/cfenv.inc
std/cfloat.inc
std/charconv.inc
std/chrono.inc
std/cinttypes.inc
std/climits.inc
std/clocale.inc
std/cmath.inc
std/codecvt.inc
std/compare.inc
std/complex.inc
std/concepts.inc
std/condition_variable.inc
std/coroutine.inc
std/csetjmp.inc
std/csignal.inc
std/cstdarg.inc
std/cstddef.inc
std/cstdint.inc
std/cstdio.inc
std/cstdlib.inc
std/cstring.inc
std/ctime.inc
std/cuchar.inc
std/cwchar.inc
std/cwctype.inc
std/deque.inc
std/exception.inc
std/execution.inc
std/expected.inc
std/filesystem.inc
std/flat_map.inc
std/flat_set.inc
std/format.inc
std/forward_list.inc
std/fstream.inc
std/functional.inc
std/future.inc
std/generator.inc
std/hazard_pointer.inc
std/initializer_list.inc
std/iomanip.inc
std/ios.inc
std/iosfwd.inc
std/iostream.inc
std/istream.inc
std/iterator.inc
std/latch.inc
std/limits.inc
std/list.inc
std/locale.inc
std/map.inc
std/mdspan.inc
std/memory.inc
std/memory_resource.inc
std/mutex.inc
std/new.inc
std/numbers.inc
std/numeric.inc
std/optional.inc
std/ostream.inc
std/print.inc
std/queue.inc
std/random.inc
std/ranges.inc
std/ratio.inc
std/rcu.inc
std/regex.inc
std/scoped_allocator.inc
std/semaphore.inc
std/set.inc
std/shared_mutex.inc
std/source_location.inc
std/span.inc
std/spanstream.inc
std/sstream.inc
std/stack.inc
std/stacktrace.inc
std/stdexcept.inc
std/stdfloat.inc
std/stop_token.inc
std/streambuf.inc
std/string.inc
std/string_view.inc
std/strstream.inc
std/syncstream.inc
std/system_error.inc
std/text_encoding.inc
std/thread.inc
std/tuple.inc
std/type_traits.inc
std/typeindex.inc
std/typeinfo.inc
std/unordered_map.inc
std/unordered_set.inc
std/utility.inc
std/valarray.inc
std/variant.inc
std/vector.inc
std/version.inc
)
set(LIBCXX_MODULE_STD_COMPAT_SOURCES
std.compat/cassert.inc
std.compat/cctype.inc
std.compat/cerrno.inc
std.compat/cfenv.inc
std.compat/cfloat.inc
std.compat/cinttypes.inc
std.compat/climits.inc
std.compat/clocale.inc
std.compat/cmath.inc
std.compat/csetjmp.inc
std.compat/csignal.inc
std.compat/cstdarg.inc
std.compat/cstddef.inc
std.compat/cstdint.inc
std.compat/cstdio.inc
std.compat/cstdlib.inc
std.compat/cstring.inc
std.compat/ctime.inc
std.compat/cuchar.inc
std.compat/cwchar.inc
std.compat/cwctype.inc
)
# TODO MODULES the CMakeLists.txt in the build directory is only temporary.
# This allows using as available in the build directory. Once build systems
# have proper support for the installed files this will be removed.
if ("${LIBCXX_GENERATED_INCLUDE_DIR}" STREQUAL "${LIBCXX_GENERATED_INCLUDE_TARGET_DIR}")
# This typically happens when the target is not installed.
set(LIBCXX_CONFIGURED_INCLUDE_DIRS "${LIBCXX_GENERATED_INCLUDE_DIR}")
else()
# It's important that the arch directory be included first so that its header files
# which interpose on the default include dir be included instead of the default ones.
set(LIBCXX_CONFIGURED_INCLUDE_DIRS
"${LIBCXX_GENERATED_INCLUDE_TARGET_DIR};${LIBCXX_GENERATED_INCLUDE_DIR}"
)
endif()
configure_file(
"CMakeLists.txt.in"
"${LIBCXX_GENERATED_MODULE_DIR}/CMakeLists.txt"
@ONLY
)
set(LIBCXX_MODULE_STD_INCLUDE_SOURCES)
foreach(file ${LIBCXX_MODULE_STD_SOURCES})
set(
LIBCXX_MODULE_STD_INCLUDE_SOURCES
"${LIBCXX_MODULE_STD_INCLUDE_SOURCES}#include \"${file}\"\n"
)
endforeach()
configure_file(
"std.cppm.in"
"${LIBCXX_GENERATED_MODULE_DIR}/std.cppm"
@ONLY
)
set(LIBCXX_MODULE_STD_COMPAT_INCLUDE_SOURCES)
foreach(file ${LIBCXX_MODULE_STD_COMPAT_SOURCES})
set(
LIBCXX_MODULE_STD_COMPAT_INCLUDE_SOURCES
"${LIBCXX_MODULE_STD_COMPAT_INCLUDE_SOURCES}#include \"${file}\"\n"
)
endforeach()
configure_file(
"std.compat.cppm.in"
"${LIBCXX_GENERATED_MODULE_DIR}/std.compat.cppm"
@ONLY
)
set(_all_modules)
list(APPEND _all_modules "${LIBCXX_GENERATED_MODULE_DIR}/CMakeLists.txt")
list(APPEND _all_modules "${LIBCXX_GENERATED_MODULE_DIR}/std.cppm")
list(APPEND _all_modules "${LIBCXX_GENERATED_MODULE_DIR}/std.compat.cppm")
foreach(file ${LIBCXX_MODULE_STD_SOURCES} ${LIBCXX_MODULE_STD_COMPAT_SOURCES})
set(src "${CMAKE_CURRENT_SOURCE_DIR}/${file}")
set(dst "${LIBCXX_GENERATED_MODULE_DIR}/${file}")
add_custom_command(OUTPUT ${dst}
DEPENDS ${src}
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst}
COMMENT "Copying CXX module ${file}")
list(APPEND _all_modules "${dst}")
endforeach()
add_custom_target(generate-cxx-modules
ALL DEPENDS
${_all_modules}
)
# Configure the modules manifest.
# Use the relative path between the installation and the module in the json
# file. This allows moving the entire installation to a different location.
if("${CMAKE_INSTALL_PREFIX}" STREQUAL "")
set(BASE_DIRECTORY "/")
else()
set(BASE_DIRECTORY ${CMAKE_INSTALL_PREFIX})
endif()
cmake_path(ABSOLUTE_PATH LIBCXX_INSTALL_LIBRARY_DIR
BASE_DIRECTORY ${BASE_DIRECTORY}
OUTPUT_VARIABLE ABS_LIBRARY_DIR)
cmake_path(ABSOLUTE_PATH LIBCXX_INSTALL_MODULES_DIR
BASE_DIRECTORY ${BASE_DIRECTORY}
OUTPUT_VARIABLE ABS_MODULES_DIR)
file(RELATIVE_PATH LIBCXX_MODULE_RELATIVE_PATH
${ABS_LIBRARY_DIR}
${ABS_MODULES_DIR})
configure_file(
"modules.json.in"
"${LIBCXX_LIBRARY_DIR}/libc++.modules.json"
@ONLY
)
# Dummy library to make modules an installation component.
add_library(cxx-modules INTERFACE)
add_dependencies(cxx-modules generate-cxx-modules)
if (LIBCXX_INSTALL_MODULES)
foreach(file ${LIBCXX_MODULE_STD_SOURCES} ${LIBCXX_MODULE_STD_COMPAT_SOURCES})
get_filename_component(dir ${file} DIRECTORY)
install(FILES ${file}
DESTINATION "${LIBCXX_INSTALL_MODULES_DIR}/${dir}"
COMPONENT cxx-modules
PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
)
endforeach()
# Install the generated module files.
install(FILES
"${LIBCXX_GENERATED_MODULE_DIR}/std.cppm"
"${LIBCXX_GENERATED_MODULE_DIR}/std.compat.cppm"
DESTINATION "${LIBCXX_INSTALL_MODULES_DIR}"
COMPONENT cxx-modules
PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
)
# Install the module manifest.
install(FILES
"${LIBCXX_LIBRARY_DIR}/libc++.modules.json"
DESTINATION "${LIBCXX_INSTALL_LIBRARY_DIR}"
COMPONENT cxx-modules
PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
)
if (NOT CMAKE_CONFIGURATION_TYPES)
add_custom_target(install-cxx-modules
DEPENDS cxx-modules
COMMAND "${CMAKE_COMMAND}"
-DCMAKE_INSTALL_COMPONENT=cxx-modules
-P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
# Stripping is a no-op for modules
add_custom_target(install-cxx-modules-stripped DEPENDS install-cxx-modules)
endif()
endif()
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