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91 lines
2.7 KiB
CMake
91 lines
2.7 KiB
CMake
# Copyright Gonzalo Brito Gadeschi 2015
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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#
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# Detects the C++ compiler, system, build-type, etc.
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include(CheckCXXCompilerFlag)
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if("x${CMAKE_CXX_COMPILER_ID}" MATCHES "x.*Clang")
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if("x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
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set (RANGES_CXX_COMPILER_CLANGCL TRUE)
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if (RANGES_VERBOSE_BUILD)
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message(STATUS "[range-v3]: compiler is clang-cl.")
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endif()
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else()
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set (RANGES_CXX_COMPILER_CLANG TRUE)
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if (RANGES_VERBOSE_BUILD)
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message(STATUS "[range-v3]: compiler is clang.")
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endif()
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endif()
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elseif(CMAKE_COMPILER_IS_GNUCXX)
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set (RANGES_CXX_COMPILER_GCC TRUE)
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if (RANGES_VERBOSE_BUILD)
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message(STATUS "[range-v3]: compiler is gcc.")
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endif()
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elseif("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")
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set (RANGES_CXX_COMPILER_MSVC TRUE)
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if (RANGES_VERBOSE_BUILD)
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message(STATUS "[range-v3]: compiler is msvc.")
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endif()
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else()
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message(WARNING "[range-v3 warning]: unknown compiler ${CMAKE_CXX_COMPILER_ID} !")
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endif()
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if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
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set (RANGES_ENV_MACOSX TRUE)
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if (RANGES_VERBOSE_BUILD)
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message(STATUS "[range-v3]: system is MacOSX.")
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endif()
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elseif(CMAKE_SYSTEM_NAME MATCHES "Linux")
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set (RANGES_ENV_LINUX TRUE)
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if (RANGES_VERBOSE_BUILD)
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message(STATUS "[range-v3]: system is Linux.")
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endif()
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elseif(CMAKE_SYSTEM_NAME MATCHES "Windows")
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set (RANGES_ENV_WINDOWS TRUE)
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if (RANGES_VERBOSE_BUILD)
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message(STATUS "[range-v3]: system is Windows.")
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endif()
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elseif(CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
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set (RANGES_ENV_OPENBSD TRUE)
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if (RANGES_VERBOSE_BUILD)
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message(STATUS "[range-v3]: system is OpenBSD.")
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endif()
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else()
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message(WARNING "[range-v3 warning]: unknown system ${CMAKE_SYSTEM_NAME} !")
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endif()
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if(RANGES_CXX_STD MATCHES "^[0-9]+$")
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if(RANGES_CXX_COMPILER_MSVC AND RANGES_CXX_STD LESS 17)
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# MSVC is currently supported only in 17+ mode
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set(RANGES_CXX_STD 17)
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elseif(RANGES_CXX_STD LESS 14)
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set(RANGES_CXX_STD 14)
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endif()
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endif()
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# Build type
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set(RANGES_DEBUG_BUILD FALSE)
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set(RANGES_RELEASE_BUILD FALSE)
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if (CMAKE_BUILD_TYPE STREQUAL "Debug")
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set(RANGES_DEBUG_BUILD TRUE)
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if (RANGES_VERBOSE_BUILD)
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message(STATUS "[range-v3]: build type is debug.")
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endif()
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elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
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set(RANGES_RELEASE_BUILD TRUE)
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if (RANGES_VERBOSE_BUILD)
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message(STATUS "[range-v3]: build type is release.")
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endif()
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else()
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message(WARNING "[range-v3 warning]: unknown build type, defaults to release!")
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set(CMAKE_BUILD_TYPE "Release")
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set(RANGES_RELEASE_BUILD TRUE)
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endif()
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if(RANGE_V3_DOCS)
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find_package(Doxygen)
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endif()
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find_package(Git)
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