mirror of
https://github.com/ThePhD/sol2.git
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312 lines
12 KiB
CMake
312 lines
12 KiB
CMake
# # # # sol2
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# The MIT License (MIT)
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#
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# Copyright (c) 2013-2021 Rapptz, ThePhD, and contributors
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy of
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# this software and associated documentation files (the "Software"), to deal in
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# the Software without restriction, including without limitation the rights to
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# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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# the Software, and to permit persons to whom the Software is furnished to do so,
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# 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, FITNESS
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# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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# # # # sol2
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# # # Required minimum version statement
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cmake_minimum_required(VERSION 3.16.0)
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# # # Project Include - file that is included after project declaration is finished
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set(CMAKE_PROJECT_INCLUDE "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Includes/Project.cmake")
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# # # project declaration
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project(sol2 VERSION 4.0.0 LANGUAGES CXX C)
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if (sol2-is-top-level-project)
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message(STATUS "sol2 is the top-level directory...")
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endif()
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# Include standard modules
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include(CMakePackageConfigHelpers)
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include(CheckCXXCompilerFlag)
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include(CMakeDependentOption)
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include(GNUInstallDirs)
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include(FetchContent)
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# # # Configuration
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# # Cached defines, strings, paths and options
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set(SOL2_LUA_VERSION "5.3.5" CACHE STRING "The version of Lua needed. Can be 5.1, 5.2, 5.3, 5.4, LuaJIT, or a more specific 3-part version number for a specifc Lua (e.g., 5.3.5 or luajit-2.0.5)")
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set(SOL2_BUILD_LUA TRUE CACHE BOOL "Always build Lua, do not search for it in the system")
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set(SOL2_PLATFORM "x64" CACHE STRING "Target platform to compile for when building binaries (x86, x64)")
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option(SOL2_CI "Whether or not we are in continguous integration mode" OFF)
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option(SOL2_SYSTEM_INCLUDE "Whether or not sol2 should be considered a system include. This helps suppress errors for when the sol2 author is a big derp and doesn't fix every single warning, ever." ON)
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option(SOL2_TESTS "Enable build of tests" OFF)
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option(SOL2_EXAMPLES "Enable build of examples" OFF)
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option(SOL2_INTEROP_EXAMPLES "Enable build of interop examples" OFF)
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option(SOL2_DYNAMIC_LOADING_EXAMPLES "Enable build of interop examples" OFF)
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option(SOL2_SINGLE "Enable generation and build of single header files" OFF)
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option(SOL2_DOCS "Enable build of documentation" OFF)
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option(SOL2_ENABLE_INSTALL "Enable installation of Sol2" ON)
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# Single tests and examples tests will only be turned on if both SINGLE and TESTS are defined
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CMAKE_DEPENDENT_OPTION(SOL2_TESTS_SINGLE "Enable build of tests using the premade single headers" ON
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"SOL2_SINGLE;SOL2_TESTS" OFF)
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CMAKE_DEPENDENT_OPTION(SOL2_EXAMPLES_SINGLE "Enable build of examples using the generated single headers" OFF
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"SOL2_SINGLE;SOL2_EXAMPLES" OFF)
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CMAKE_DEPENDENT_OPTION(SOL2_INTEROP_EXAMPLES_SINGLE "Enable build of interop examples using the generated single headers" OFF
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"SOL2_SINGLE;SOL2_INTEROP_EXAMPLES" OFF)
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CMAKE_DEPENDENT_OPTION(SOL2_DYNAMIC_LOADING_EXAMPLES_SINGLE "Enable build of dynamic loading examples using the generated single headers" OFF
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"SOL2_SINGLE;SOL2_DYNAMIC_LOADING_EXAMPLES" OFF)
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CMAKE_DEPENDENT_OPTION(SOL2_TESTS_EXAMPLES "Enable build of examples as tests" ON
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"SOL2_EXAMPLES" OFF)
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CMAKE_DEPENDENT_OPTION(SOL2_TESTS_INTEROP_EXAMPLES "Enable build of interop examples as tests" ON
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"SOL2_INTEROP_EXAMPLES" OFF)
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CMAKE_DEPENDENT_OPTION(SOL2_TESTS_DYNAMIC_LOADING_EXAMPLES "Enable build of dynamic loading examples as tests" ON
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"SOL2_DYNAMIC_LOADING_EXAMPLES" OFF)
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CMAKE_DEPENDENT_OPTION(BUILD_LUA_AS_DLL "Build Lua as a DLL" ON
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"SOL2_BUILD_LUA" OFF)
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if (SOL2_SYSTEM_INCLUDE)
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set(sol2-system-include SYSTEM)
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endif()
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# # # sol2 Source Groups
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# # Sources everyone is going to need
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# Header files
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file(GLOB_RECURSE sol2-headers
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LIST_DIRECTORIES FALSE
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CONFIGURE_DEPENDS
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${CMAKE_CURRENT_SOURCE_DIR}/include/sol*.hpp
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)
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file(GLOB_RECURSE sol2-sources
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LIST_DIRECTORIES FALSE
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CONFIGURE_DEPENDS
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${CMAKE_CURRENT_SOURCE_DIR}/source/**
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)
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# # # sol2 Library
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# # Add a target for sol2's library to be included by external users
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add_library(sol2 INTERFACE)
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add_library(sol2::sol2 ALIAS sol2)
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target_include_directories(sol2 ${sol2-system-include}
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INTERFACE
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
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$<INSTALL_INTERFACE:include>)
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# # Version configurations
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configure_package_config_file(
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cmake/sol2-config.cmake.in
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"${CMAKE_CURRENT_BINARY_DIR}/cmake/sol2-config.cmake"
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INSTALL_DESTINATION lib/cmake/sol2
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NO_CHECK_REQUIRED_COMPONENTS_MACRO)
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write_basic_package_version_file(
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"${CMAKE_CURRENT_BINARY_DIR}/cmake/sol2-config-version.cmake"
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COMPATIBILITY AnyNewerVersion)
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export(TARGETS sol2
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FILE "${CMAKE_CURRENT_BINARY_DIR}/cmake/sol2-targets.cmake")
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if(SOL2_ENABLE_INSTALL)
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install(TARGETS sol2
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EXPORT sol2)
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install(EXPORT sol2
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FILE sol2-targets.cmake
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DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/sol2")
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install(DIRECTORY include/sol
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DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
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install(FILES
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"${CMAKE_CURRENT_BINARY_DIR}/cmake/sol2-config.cmake"
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"${CMAKE_CURRENT_BINARY_DIR}/cmake/sol2-config-version.cmake"
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DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/sol2")
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endif()
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# # # sol2 Library - Single header target
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if (SOL2_SINGLE)
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message(STATUS "sol2 adding single...")
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add_subdirectory(single)
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endif()
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# # # documentation
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# Generates the docs
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if (SOL2_DOCS)
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message(STATUS "sol2 adding docs...")
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add_subdirectory(documentation)
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endif()
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if(SOL2_ENABLE_INSTALL)
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# pkg-config support, except on Windows
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if(NOT WIN32 OR NOT CMAKE_HOST_SYSTEM_NAME MATCHES Windows)
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set(PKGCONFIG_INSTALL_DIR
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"${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig"
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CACHE PATH "Path where sol2.pc is installed")
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configure_file("${CMAKE_CURRENT_SOURCE_DIR}/sol2.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/sol2.pc" @ONLY)
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install(FILES "${CMAKE_CURRENT_BINARY_DIR}/sol2.pc" DESTINATION "${PKGCONFIG_INSTALL_DIR}")
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endif()
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endif()
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if (SOL2_CI)
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message(STATUS "sol2 Contiguous Integration is on")
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endif()
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if (SOL2_EXAMPLES OR SOL2_TESTS_EXAMPLES OR SOL2_EXAMPLES_SINGLE OR SOL2_INTEROP_EXAMPLES OR SOL2_TESTS_INTEROP_EXAMPLES OR SOL2_INTEROP_EXAMPLES_SINGLE OR SOL2_DYNAMIC_LOADING_EXAMPLES OR SOL2_TESTS_DYNAMIC_LOADING_EXAMPLES OR SOL2_DYNAMIC_LOADING_EXAMPLES_SINGLE)
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set(SOL2_DO_EXAMPLES TRUE)
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else()
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set(SOL2_DO_EXAMPLES FALSE)
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endif()
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if (SOL2_TESTS OR SOL2_TESTS_SINGLE)
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set(SOL2_DO_TESTS TRUE)
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else()
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set(SOL2_DO_TESTS FALSE)
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endif()
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# # # Tests, Examples and other CI suites that come with sol2
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if (sol2-is-top-level-project)
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# # # General project output locations
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if (CMAKE_SIZEOF_VOID_P EQUAL 4)
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set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/x86/lib")
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set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/x86/bin")
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/x86/bin")
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else()
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set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/x64/lib")
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set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/x64/bin")
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/x64/bin")
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endif()
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if (NOT CMAKE_CXX_STANDARD GREATER_EQUAL 17)
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set(CMAKE_CXX_STANDARD 17)
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endif()
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if (NOT CMAKE_C_STANDARD GREATER_EQUAL 11)
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set(CMAKE_C_STANDARD 11)
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endif()
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# Build Flag Settings
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# Basic/Normal flags
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check_compiler_flag(disable-permissive MSVC /permissive- GCC -pedantic)
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check_compiler_flag(utf8-literal-encoding MSVC /execution-charset:utf-8 GCC -fexec-charset=utf-8)
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check_compiler_flag(utf8-source-encoding MSVC /source-charset:utf-8 GCC -finput-charset=utf-8)
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check_compiler_flag(extra-constexpr-depth MSVC /constexpr:depth2147483647 GCC -fconstexpr-depth=2147483647 CLANG -fconstexpr-depth=2147483647)
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check_compiler_flag(extra-constexpr-steps MSVC /constexpr:steps2147483647 GCC -fconstexpr-ops-limit=2147483647 CLANG -fconstexpr-steps=2147483647)
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check_compiler_flag(template-debugging-mode GCC -ftemplate-backtrace-limit=0)
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check_compiler_flag(big-obj MSVC /bigobj)
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# Overall warning flags
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check_compiler_flag(pedantic GCC -pedantic)
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check_compiler_flag(warn-pedantic GCC -Wpedantic)
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check_compiler_flag(warn-all MSVC /W4 GCC -Wall)
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check_compiler_flag(warn-extra GCC -Wextra)
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check_compiler_flag(warn-errors MSVC /WX GCC -Werror)
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# Individual warnings/errors
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check_compiler_diagnostic(unknown-warning)
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check_compiler_diagnostic(unknown-warning-option)
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check_compiler_diagnostic(microsoft-cast)
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check_compiler_diagnostic(noexcept-type)
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check_compiler_diagnostic(unreachable-code MSVC 4702)
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check_compiler_diagnostic(padding-from-alignment MSVC 4324)
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# # # Libraries
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# Here, we pull in all the necessary libraries for building examples and tests
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# Find threading library
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find_package(Threads REQUIRED)
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string(TOLOWER ${SOL2_LUA_VERSION} NORMALIZED_LUA_VERSION)
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# Find way to get Lua: build if requested, or attempt to build if no matching version is found
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if (SOL2_BUILD_LUA)
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find_package(LuaBuild REQUIRED COMPONENTS ${SOL2_LUA_VERSION})
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elseif (NOT SOL2_LUA_VERSION)
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find_package(LuaBuild REQUIRED)
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else ()
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if (NORMALIZED_LUA_VERSION MATCHES "5.1")
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set(CREATE_LUALIB_TARGET TRUE)
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find_package(Lua 5.1 EXACT REQUIRED)
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elseif(NORMALIZED_LUA_VERSION MATCHES "5.2")
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set(CREATE_LUALIB_TARGET TRUE)
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find_package(Lua 5.2 EXACT REQUIRED)
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elseif(NORMALIZED_LUA_VERSION MATCHES "5.3")
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set(CREATE_LUALIB_TARGET TRUE)
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find_package(Lua 5.3 EXACT REQUIRED)
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elseif(NORMALIZED_LUA_VERSION MATCHES "5.4")
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set(CREATE_LUALIB_TARGET TRUE)
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find_package(Lua 5.4 EXACT REQUIRED)
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elseif(NORMALIZED_LUA_VERSION MATCHES "luajit")
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set(CREATE_LUALIB_TARGET TRUE)
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find_package(LuaJIT REQUIRED)
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else()
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find_package(LuaBuild ${SOL2_LUA_VERSION} REQUIRED)
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endif()
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endif()
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if (CREATE_LUALIB_TARGET AND LUA_FOUND)
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set(lualib lua_imported_lib_${SOL2_LUA_VERSION})
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foreach(lua_search_lib ${LUA_LIBRARIES})
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get_filename_component(lsl_fname ${lua_search_lib} NAME)
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if (lsl_fname MATCHES "lua" OR lsl_fname MATCHES "Lua" OR lsl_fname MATCHES "LUA")
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if (lsl_fname MATCHES "\.so|\.dylib|\.dll")
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set(lualibtype SHARED)
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set(lualiblocation ${lua_search_lib})
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else()
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set(lualibtype STATIC)
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set(lualiblocation ${lua_search_lib})
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endif()
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else()
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set(LUA_SEARCH_DEPENDENCY_LIBS ${LUA_SEARCH_DEPENDENCY_LIBS} "${lua_search_lib}")
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endif()
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endforeach()
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add_library(${lualib} ${lualibtype} IMPORTED)
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set_target_properties(${lualib}
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PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${LUA_INCLUDE_DIR}
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INTERFACE_LINK_LIBRARIES ${LUA_SEARCH_DEPENDENCY_LIBS} ${CMAKE_DL_LIBS}
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IMPORTED_LINK_INTERFACE_LANGUAGES C
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IMPORTED_LOCATION ${lualiblocation})
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set(LUA_LIBRARIES ${lualib})
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endif()
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if (NOT LUA_FOUND AND NOT LUABUILD_FOUND)
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message(FATAL_ERROR "sol2 Lua \"${SOL2_LUA_VERSION}\" not found and could not be targeted for building")
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endif()
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# # Enable test harness for regular, example or single tests
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if (SOL2_DO_TESTS OR (SOL2_TESTS_EXAMPLES AND SOL2_DO_EXAMPLES))
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# enable ctest
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message(STATUS "sol2 testing enabled...")
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enable_testing()
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endif()
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# # # Examples
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# # Enable examples to be built against the library
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if (SOL2_DO_EXAMPLES)
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# NOTE: will also add to tests if TESTS is defined
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message(STATUS "sol2 adding examples...")
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add_subdirectory(examples)
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endif()
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# # # Tests
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# # Add tests here
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if (SOL2_DO_TESTS)
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# add subdir to get going
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message(STATUS "sol2 adding tests...")
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add_subdirectory(tests)
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endif()
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# # # Scratch Space
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# # Scratch space for diagnosing bugs and other shenanigans
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if (SOL2_SCRATCH)
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message(STATUS "sol2 adding scratch space...")
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add_subdirectory(scratch)
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endif()
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endif()
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