forked from mpusz/mp-units
75 lines
2.9 KiB
CMake
75 lines
2.9 KiB
CMake
# The MIT License (MIT)
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#
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# Copyright (c) 2018 Mateusz Pusz
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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cmake_minimum_required(VERSION 3.15)
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# core library options
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set(UNITS_DOWNCAST_MODE ON CACHE STRING "Select downcasting mode")
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set_property(CACHE UNITS_DOWNCAST_MODE PROPERTY STRINGS AUTO ON OFF)
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# find dependencies
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find_package(gsl-lite CONFIG REQUIRED)
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# check if libc++ is being used
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include(CheckLibcxxInUse)
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check_libcxx_in_use(UNITS_LIBCXX)
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# core library definition
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add_library(mp-units-core INTERFACE)
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target_compile_features(mp-units-core INTERFACE cxx_std_20)
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target_link_libraries(mp-units-core INTERFACE
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gsl::gsl-lite
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)
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target_include_directories(mp-units-core ${units_as_system} INTERFACE
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
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$<INSTALL_INTERFACE:include>
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)
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if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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if(UNITS_LIBCXX)
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find_package(range-v3 CONFIG REQUIRED)
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target_link_libraries(mp-units-core INTERFACE range-v3::range-v3)
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endif()
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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target_compile_options(mp-units-core INTERFACE
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/utf-8 # Specifies both the source character set and the execution character set as UTF-8
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)
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endif()
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if(DEFINED UNITS_DOWNCAST_MODE)
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set(downcast_mode_options OFF ON AUTO)
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list(FIND downcast_mode_options "${UNITS_DOWNCAST_MODE}" downcast_mode)
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if(downcast_mode EQUAL -1)
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message(FATAL_ERROR "'UNITS_DOWNCAST_MODE' should be one of ${downcast_mode_options} ('${UNITS_DOWNCAST_MODE}' received)")
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else()
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message(STATUS "UNITS_DOWNCAST_MODE: ${UNITS_DOWNCAST_MODE}")
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target_compile_definitions(mp-units-core INTERFACE UNITS_DOWNCAST_MODE=${downcast_mode})
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endif()
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endif()
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set_target_properties(mp-units-core PROPERTIES EXPORT_NAME core)
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add_library(mp-units::core ALIAS mp-units-core)
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# installation
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install(TARGETS mp-units-core EXPORT mp-unitsTargets)
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install(DIRECTORY include/units TYPE INCLUDE)
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