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57d9a05f88
sol2/CMakeLists.txt
ThePhD 57d9a05f88
🎨 Refactor tutorial examples 
- 🛠 Make sure the tutorials compile across platforms!
- ✍ Redo quite a bit of the documentation
2021-03-06 10:14:48 -05:00

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CMake
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# # # # sol2
# The MIT License (MIT)
#
# Copyright (c) 2013-2021 Rapptz, ThePhD, and contributors
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# # # # sol2
# # # Required minimum version statement
cmake_minimum_required(VERSION 3.15.0)
# # # project declaration
project(sol2 VERSION 3.2.5 LANGUAGES CXX C)
include(GNUInstallDirs)
# # # Modules
# # Include modules useful to the project, whether locally made in our own cmake DIRECTORY
# # our from the standard cmake libraries
# Add home-rolled modules path to front of module path list
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/Modules" "${CMAKE_MODULE_PATH}")
# Include standard modules
include(CMakePackageConfigHelpers)
include(CheckCXXCompilerFlag)
include(CMakeDependentOption)
include(GNUInstallDirs)
include(FetchContent)
# # # Configuration
# # Cached defines, strings, paths and options
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)")
set(SOL2_BUILD_LUA TRUE CACHE BOOL "Always build Lua, do not search for it in the system")
set(SOL2_PLATFORM "x64" CACHE STRING "Target platform to compile for when building binaries (x86, x64)")
option(SOL2_CI "Whether or not we are in continguous integration mode" OFF)
option(SOL2_TESTS "Enable build of tests" OFF)
option(SOL2_EXAMPLES "Enable build of examples" OFF)
option(SOL2_INTEROP_EXAMPLES "Enable build of interop examples" OFF)
option(SOL2_DYNAMIC_LOADING_EXAMPLES "Enable build of interop examples" OFF)
option(SOL2_GENERATE_SINGLE "Enable generation and build of single header files" OFF)
option(SOL2_SINGLE "Enable use of prepackaged single header files" OFF)
option(SOL2_DOCS "Enable build of documentation" OFF)
option(SOL2_ENABLE_INSTALL "Enable installation of Sol2" ON)
# Single tests and examples tests will only be turned on if both SINGLE and TESTS are defined
CMAKE_DEPENDENT_OPTION(SOL2_TESTS_SINGLE "Enable build of tests using the premade single headers" ON
"SOL2_SINGLE;SOL2_TESTS" OFF)
CMAKE_DEPENDENT_OPTION(SOL2_TESTS_SINGLE_GENERATED "Enable build of tests using the generated single headers" ON
"SOL2_GENERATE_SINGLE;SOL2_TESTS" OFF)
CMAKE_DEPENDENT_OPTION(SOL2_EXAMPLES_SINGLE "Enable build of examples using the generated single headers" OFF
"SOL2_SINGLE;SOL2_EXAMPLES" OFF)
CMAKE_DEPENDENT_OPTION(SOL2_EXAMPLES_SINGLE_GENERATED "Enable build of examples using the premade single headers" OFF
"SOL2_GENERATE_SINGLE;SOL2_EXAMPLES" OFF)
CMAKE_DEPENDENT_OPTION(SOL2_INTEROP_EXAMPLES_SINGLE "Enable build of interop examples using the generated single headers" OFF
"SOL2_SINGLE;SOL2_INTEROP_EXAMPLES" OFF)
CMAKE_DEPENDENT_OPTION(SOL2_INTEROP_EXAMPLES_SINGLE_GENERATED "Enable build of interop examples using the generated single headers" OFF
"SOL2_GENERATE_SINGLE;SOL2_INTEROP_EXAMPLES" OFF)
CMAKE_DEPENDENT_OPTION(SOL2_DYNAMIC_LOADING_EXAMPLES_SINGLE "Enable build of dynamic loading examples using the generated single headers" OFF
"SOL2_SINGLE;SOL2_DYNAMIC_LOADING_EXAMPLES" OFF)
CMAKE_DEPENDENT_OPTION(SOL2_DYNAMIC_LOADING_EXAMPLES_SINGLE_GENERATED "Enable build of dynamic loading examples using the generated single headers" OFF
"SOL2_GENERATE_SINGLE;SOL2_DYNAMIC_LOADING_EXAMPLES" OFF)
CMAKE_DEPENDENT_OPTION(SOL2_TESTS_EXAMPLES "Enable build of examples as tests" ON
"SOL2_EXAMPLES" OFF)
CMAKE_DEPENDENT_OPTION(SOL2_TESTS_INTEROP_EXAMPLES "Enable build of interop examples as tests" ON
"SOL2_INTEROP_EXAMPLES" OFF)
CMAKE_DEPENDENT_OPTION(SOL2_TESTS_DYNAMIC_LOADING_EXAMPLES "Enable build of dynamic loading examples as tests" ON
"SOL2_DYNAMIC_LOADING_EXAMPLES" OFF)
CMAKE_DEPENDENT_OPTION(BUILD_LUA_AS_DLL "Build Lua as a DLL" ON
"SOL2_BUILD_LUA" OFF)
# # # Platform
# Detect x86 and x64 stuff
if (SOL2_PLATFORM MATCHES "i686" OR SOL2_PLATFORM STREQUAL "x86")
set(SOL2_IS_X86 TRUE)
elseif (SOL2_PLATFORM MATCHES "ARM64")
set(IS_ARM64 TRUE)
set(IS_X64 TRUE)
elseif (SOL2_PLATFORM MATCHES "ARM")
set(IS_ARM TRUE)
elseif (SOL2_PLATFORM MATCHES "x86_64" OR SOL2_PLATFORM STREQUAL "x64")
set(IS_X64 TRUE)
else()
set(IS_X64 TRUE)
endif()
if (PROJECT_SOURCE_DIR STREQUAL ${CMAKE_SOURCE_DIR})
set(SOL2_IS_TOP_LEVEL TRUE)
message(STATUS "sol2 is the top-level directory...")
endif()
# # # sol2 Source Groups
# # Sources everyone is going to need
# Header files
file(GLOB SOL2_HEADER_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/include/sol*.hpp)
source_group(sol2 FILES ${SOL2_HEADER_SOURCES})
# # # sol2 Library
# # Add a target for sol2's library to be included by external users
add_library(sol2 INTERFACE)
add_library(sol2::sol2 ALIAS sol2)
target_sources(sol2 INTERFACE ${SOL2_SINGLE_HEADER_SOURCES})
set_target_properties(sol2
PROPERTIES
EXPORT_NAME sol2::sol2)
target_include_directories(sol2 INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>)
# # Version configurations
configure_package_config_file(
cmake/sol2-config.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/cmake/sol2-config.cmake"
INSTALL_DESTINATION lib/cmake/sol2
NO_CHECK_REQUIRED_COMPONENTS_MACRO)
write_basic_package_version_file(
"${CMAKE_CURRENT_BINARY_DIR}/cmake/sol2-config-version.cmake"
COMPATIBILITY AnyNewerVersion)
export(TARGETS sol2 FILE "${CMAKE_CURRENT_BINARY_DIR}/cmake/sol2-targets.cmake")
if(SOL2_ENABLE_INSTALL)
install(TARGETS sol2
EXPORT sol2)
install(EXPORT sol2
FILE sol2-targets.cmake
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/sol2")
install(DIRECTORY include/sol
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
install(FILES
"${CMAKE_CURRENT_BINARY_DIR}/cmake/sol2-config.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/cmake/sol2-config-version.cmake"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/sol2")
endif()
# # # Single header target
# Find Python3 for single header / forward header generation
if (SOL2_GENERATE_SINGLE OR SOL2_SINGLE)
message(STATUS "sol2 adding single...")
add_subdirectory(single)
endif()
# # # documentation
# Generates the docs
if (SOL2_DOCS)
message(STATUS "sol2 adding docs...")
add_subdirectory(documentation)
endif()
if(SOL2_ENABLE_INSTALL)
# pkg-config support, except on Windows
if(NOT WIN32 OR NOT CMAKE_HOST_SYSTEM_NAME MATCHES Windows)
set(PKGCONFIG_INSTALL_DIR
"${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig"
CACHE PATH "Path where sol2.pc is installed")
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/sol2.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/sol2.pc" @ONLY)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/sol2.pc" DESTINATION "${PKGCONFIG_INSTALL_DIR}")
endif()
endif()
if (SOL2_CI)
message(STATUS "sol2 Contiguous Integration is on")
endif()
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)
set(SOL2_DO_EXAMPLES TRUE)
else()
set(SOL2_DO_EXAMPLES FALSE)
endif()
if (SOL2_TESTS OR SOL2_TESTS_SINGLE)
set(SOL2_DO_TESTS TRUE)
else()
set(SOL2_DO_TESTS FALSE)
endif()
# # # Tests, Examples and other CI suites that come with sol2
if (SOL2_IS_TOP_LEVEL AND (SOL2_DO_TESTS OR SOL2_DO_EXAMPLES))
# # # General project output locations
if (SOL2_IS_X86 OR CMAKE_SIZEOF_VOID_P EQUAL 4)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/x86/lib")
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/x86/bin")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/x86/bin")
else()
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/x64/lib")
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/x64/bin")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/x64/bin")
endif()
# # # Libraries
# Here, we pull in all the necessary libraries for building examples and tests
# Find threading library
if (NOT MSVC)
if (SOL2_IS_X86)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -m32")
set(CMAKE_EXECUTABLE_LINKER_FLAGS "${CMAKE_EXECUTABLE_LINKER_FLAGS} -m32")
endif()
set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
set(THREADS_PREFER_PTHREAD_FLAG TRUE)
else()
string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
if (BUILD_LUA_AS_DLL)
string(REGEX REPLACE "/MT" "/MD" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
string(REGEX REPLACE "/MT" "/MD" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
else ()
string(REGEX REPLACE "/MD" "/MT" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
string(REGEX REPLACE "/MD" "/MT" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
endif()
endif()
find_package(Threads REQUIRED)
string(TOLOWER ${SOL2_LUA_VERSION} NORMALIZED_LUA_VERSION)
# Find way to get Lua: build if requested, or attempt to build if no matching version is found
if (SOL2_BUILD_LUA)
find_package(LuaBuild REQUIRED COMPONENTS ${SOL2_LUA_VERSION})
elseif (NOT SOL2_LUA_VERSION)
find_package(LuaBuild REQUIRED)
else ()
if (NORMALIZED_LUA_VERSION MATCHES "5.1")
set(CREATE_LUALIB_TARGET TRUE)
find_package(Lua 5.1 EXACT REQUIRED)
elseif(NORMALIZED_LUA_VERSION MATCHES "5.2")
set(CREATE_LUALIB_TARGET TRUE)
find_package(Lua 5.2 EXACT REQUIRED)
elseif(NORMALIZED_LUA_VERSION MATCHES "5.3")
set(CREATE_LUALIB_TARGET TRUE)
find_package(Lua 5.3 EXACT REQUIRED)
elseif(NORMALIZED_LUA_VERSION MATCHES "5.4")
set(CREATE_LUALIB_TARGET TRUE)
find_package(Lua 5.4 EXACT REQUIRED)
elseif(NORMALIZED_LUA_VERSION MATCHES "luajit")
set(CREATE_LUALIB_TARGET TRUE)
find_package(LuaJIT REQUIRED)
else()
find_package(LuaBuild ${SOL2_LUA_VERSION} REQUIRED)
endif()
endif()
if (CREATE_LUALIB_TARGET AND LUA_FOUND)
set(lualib lua_imported_lib_${SOL2_LUA_VERSION})
foreach(lua_search_lib ${LUA_LIBRARIES})
get_filename_component(lsl_fname ${lua_search_lib} NAME)
if (lsl_fname MATCHES "lua" OR lsl_fname MATCHES "Lua" OR lsl_fname MATCHES "LUA")
if (lsl_fname MATCHES "\.so|\.dylib|\.dll")
set(lualibtype SHARED)
set(lualiblocation ${lua_search_lib})
else()
set(lualibtype STATIC)
set(lualiblocation ${lua_search_lib})
endif()
else()
set(LUA_SEARCH_DEPENDENCY_LIBS ${LUA_SEARCH_DEPENDENCY_LIBS} "${lua_search_lib}")
endif()
endforeach()
add_library(${lualib} ${lualibtype} IMPORTED)
set_target_properties(${lualib}
PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${LUA_INCLUDE_DIR}
INTERFACE_LINK_LIBRARIES ${LUA_SEARCH_DEPENDENCY_LIBS} ${CMAKE_DL_LIBS}
IMPORTED_LINK_INTERFACE_LANGUAGES C
IMPORTED_LOCATION ${lualiblocation})
set(LUA_LIBRARIES ${lualib})
endif()
if (NOT LUA_FOUND AND NOT LUABUILD_FOUND)
message(FATAL_ERROR "sol2 Lua \"${SOL2_LUA_VERSION}\" not found and could not be targeted for building")
endif()
# # Enable test harness for regular, example or single tests
if (SOL2_DO_TESTS OR (SOL2_TESTS_EXAMPLES AND SOL2_DO_EXAMPLES))
# enable ctest
message(STATUS "sol2 testing enabled...")
enable_testing()
endif()
# # # Examples
# # Enable examples to be built against the library
if (SOL2_DO_EXAMPLES)
# NOTE: will also add to tests if TESTS is defined
message(STATUS "sol2 adding examples...")
add_subdirectory(examples "${CMAKE_BINARY_DIR}/examples")
endif()
# # # Tests
# # Add tests here
if (SOL2_DO_TESTS)
# add subdir to get going
message(STATUS "sol2 adding tests...")
add_subdirectory(tests "${CMAKE_BINARY_DIR}/tests")
endif()
# # # Scratch Space
# # Scratch space for diagnosing bugs and other shenanigans
if (SOL2_SCRATCH)
message(STATUS "sol2 adding scratch space...")
add_subdirectory(scratch)
endif()
endif()
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