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############################################################################
# Copyright (c) Johan Mabille, Sylvain Corlay and Wolf Vollprecht #
# Copyright (c) QuantStack #
# #
# Distributed under the terms of the BSD 3-Clause License. #
# #
# The full license is in the file LICENSE, distributed with this software. #
############################################################################
cmake_minimum_required(VERSION 3.5)
project(xtl)
set(XTL_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)
# Versioning
# ===========
file(STRINGS "${XTL_INCLUDE_DIR}/xtl/xtl_config.hpp" xtl_version_defines
REGEX "#define XTL_VERSION_(MAJOR|MINOR|PATCH)")
foreach(ver ${xtl_version_defines})
if(ver MATCHES "#define XTL_VERSION_(MAJOR|MINOR|PATCH) +([^ ]+)$")
set(XTL_VERSION_${CMAKE_MATCH_1} "${CMAKE_MATCH_2}" CACHE INTERNAL "")
endif()
endforeach()
set(${PROJECT_NAME}_VERSION
${XTL_VERSION_MAJOR}.${XTL_VERSION_MINOR}.${XTL_VERSION_PATCH})
message(STATUS "xtl v${${PROJECT_NAME}_VERSION}")
# Dependencies
# ============
if(NOT TARGET nlohmann_json)
find_package(nlohmann_json QUIET)
endif()
# Build
# =====
set(XTL_HEADERS
${XTL_INCLUDE_DIR}/xtl/xany.hpp
${XTL_INCLUDE_DIR}/xtl/xbasic_fixed_string.hpp
${XTL_INCLUDE_DIR}/xtl/xbase64.hpp
${XTL_INCLUDE_DIR}/xtl/xclosure.hpp
${XTL_INCLUDE_DIR}/xtl/xcompare.hpp
${XTL_INCLUDE_DIR}/xtl/xcomplex.hpp
${XTL_INCLUDE_DIR}/xtl/xcomplex_sequence.hpp
${XTL_INCLUDE_DIR}/xtl/xspan.hpp
${XTL_INCLUDE_DIR}/xtl/xspan_impl.hpp
${XTL_INCLUDE_DIR}/xtl/xdynamic_bitset.hpp
${XTL_INCLUDE_DIR}/xtl/xfunctional.hpp
${XTL_INCLUDE_DIR}/xtl/xhalf_float.hpp
${XTL_INCLUDE_DIR}/xtl/xhalf_float_impl.hpp
${XTL_INCLUDE_DIR}/xtl/xhash.hpp
${XTL_INCLUDE_DIR}/xtl/xhierarchy_generator.hpp
${XTL_INCLUDE_DIR}/xtl/xiterator_base.hpp
${XTL_INCLUDE_DIR}/xtl/xjson.hpp
${XTL_INCLUDE_DIR}/xtl/xmasked_value_meta.hpp
${XTL_INCLUDE_DIR}/xtl/xmasked_value.hpp
${XTL_INCLUDE_DIR}/xtl/xmeta_utils.hpp
${XTL_INCLUDE_DIR}/xtl/xmultimethods.hpp
${XTL_INCLUDE_DIR}/xtl/xoptional_meta.hpp
${XTL_INCLUDE_DIR}/xtl/xoptional.hpp
${XTL_INCLUDE_DIR}/xtl/xoptional_sequence.hpp
${XTL_INCLUDE_DIR}/xtl/xplatform.hpp
${XTL_INCLUDE_DIR}/xtl/xproxy_wrapper.hpp
${XTL_INCLUDE_DIR}/xtl/xsequence.hpp
${XTL_INCLUDE_DIR}/xtl/xsystem.hpp
${XTL_INCLUDE_DIR}/xtl/xtl_config.hpp
${XTL_INCLUDE_DIR}/xtl/xtype_traits.hpp
${XTL_INCLUDE_DIR}/xtl/xvariant.hpp
${XTL_INCLUDE_DIR}/xtl/xvariant_impl.hpp
${XTL_INCLUDE_DIR}/xtl/xvisitor.hpp
)
add_library(xtl INTERFACE)
target_include_directories(xtl INTERFACE
$<BUILD_INTERFACE:${XTL_INCLUDE_DIR}>
$<INSTALL_INTERFACE:include>)
if(NOT (CMAKE_VERSION VERSION_LESS 3.15)) # CMake >= 3.15
set_target_properties(xtl
PROPERTIES
PUBLIC_HEADER "${XTL_HEADERS}")
endif()
target_compile_features(xtl INTERFACE cxx_std_14)
option(BUILD_TESTS "xtl test suite" OFF)
option(DOWNLOAD_GTEST "build gtest from downloaded sources" OFF)
option(XTL_DISABLE_EXCEPTIONS "Disable C++ exceptions" OFF)
if(BUILD_TESTS)
enable_testing()
add_subdirectory(test)
endif()
# Installation
# ============
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
if(CMAKE_VERSION VERSION_LESS 3.15) # CMake < 3.15
install(TARGETS xtl
EXPORT ${PROJECT_NAME}-targets)
else()
install(TARGETS xtl
EXPORT ${PROJECT_NAME}-targets
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME})
endif()
# Makes the project importable from the build directory
export(EXPORT ${PROJECT_NAME}-targets
FILE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Targets.cmake")
if(CMAKE_VERSION VERSION_LESS 3.15) # CMake < 3.15
install(FILES ${XTL_HEADERS}
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/xtl)
endif()
set(XTL_CMAKECONFIG_INSTALL_DIR "${CMAKE_INSTALL_DATAROOTDIR}/cmake/${PROJECT_NAME}" CACHE
STRING "install path for xtlConfig.cmake")
configure_package_config_file(${PROJECT_NAME}Config.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
INSTALL_DESTINATION ${XTL_CMAKECONFIG_INSTALL_DIR})
# xtl is header-only and does not depend on the architecture.
# Remove CMAKE_SIZEOF_VOID_P from xtlConfigVersion.cmake so that an xtlConfig.cmake
# generated for a 64 bit target can be used for 32 bit targets and vice versa.
set(_XTL_CMAKE_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
unset(CMAKE_SIZEOF_VOID_P)
# ARCH_INDEPENDENT feature was introduced in cmake 3.14
if (${CMAKE_VERSION} VERSION_LESS "3.14.0")
write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
VERSION ${${PROJECT_NAME}_VERSION}
COMPATIBILITY AnyNewerVersion)
else ()
write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
VERSION ${${PROJECT_NAME}_VERSION}
COMPATIBILITY AnyNewerVersion
ARCH_INDEPENDENT)
endif ()
set(CMAKE_SIZEOF_VOID_P ${_XTL_CMAKE_SIZEOF_VOID_P})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
DESTINATION ${XTL_CMAKECONFIG_INSTALL_DIR})
install(EXPORT ${PROJECT_NAME}-targets
FILE ${PROJECT_NAME}Targets.cmake
DESTINATION ${XTL_CMAKECONFIG_INSTALL_DIR})
configure_file(${PROJECT_NAME}.pc.in
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
@ONLY)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig/")
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