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CMakeLists.txt
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CMakeLists.txt
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##
# Main CMake project file
# Contains global options and definitions
##
cmake_minimum_required(VERSION 3.14)
project(Machines
VERSION 1.6.0
LANGUAGES C CXX
)
include(CMakeDependentOption)
message(STATUS "Building Machines ${Machines_VERSION}")
message(STATUS "CMake version: ${CMAKE_VERSION}")
if (NOT BUILD_VERSION)
find_package(Git QUIET)
if(GIT_FOUND AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.git")
execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
OUTPUT_VARIABLE BUILD_VERSION
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
else()
set(BUILD_VERSION "unknown")
endif()
endif()
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_EXTENSIONS OFF)
##
# Platform detection and some related checks
##
if("${CMAKE_SYSTEM_NAME}" MATCHES "Windows")
message(STATUS "Build for Windows system")
set(PLATFORM_WINDOWS 1)
set(PLATFORM_GNU 0)
set(PLATFORM_LINUX 0)
set(PLATFORM_MACOSX 0)
set(PLATFORM_OTHER 0)
# Platform-dependent implementation of system.h
#set(SYSTEM_CPP_MODULE "system_windows.cpp")
#set(SYSTEM_H_MODULE "system_windows.h")
elseif("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
message(STATUS "Build for Linux system")
set(PLATFORM_WINDOWS 0)
set(PLATFORM_LINUX 1)
set(PLATFORM_GNU 1)
set(PLATFORM_MACOSX 0)
set(PLATFORM_OTHER 0)
set(OpenGL_GL_PREFERENCE "GLVND")
# Platform-dependent implementation of system.h
#set(SYSTEM_CPP_MODULE "system_linux.cpp")
#set(SYSTEM_H_MODULE "system_linux.h")
else()
message(STATUS "Build for other system")
set(PLATFORM_WINDOWS 0)
set(PLATFORM_LINUX 0)
set(PLATFORM_GNU 0)
set(PLATFORM_MACOSX 0)
set(PLATFORM_OTHER 1)
# Platform-dependent implementation of system.h
set(SYSTEM_CPP_MODULE "system_other.cpp")
set(SYSTEM_H_MODULE "system_other.h")
endif()
##
# Build options
##
# Include cmake directory with some additional scripts
set(CMAKE_MODULE_PATH "${Machines_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
# Build targets should be placed in the root build directory
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
include(Utils)
# Options for optional libs
option_on_off_auto(BUILD_WITH_SWSCALE "Build with SWScale support" "Auto")
option_on_off_auto(BUILD_WITH_ALURE "Build with Alure support" "Auto")
# 32 bit build configuration
option(BUILD_32 "Builds 32 bit executable" OFF)
# Include cmake directory with some additions
include(CompilerSettings)
# Asserts can be enabled/disabled regardless of build type
option(DEV_BUILD "Enable assert()s and other debug checks" ON)
option(BUILD_PLANETED "Build the PlanetEditor" OFF)
# Warn about development build
if(DEV_BUILD)
message(STATUS "Building with development extensions")
endif()
# Testing
#option(BUILD_TESTS "Build the test suite" off)
cmake_dependent_option(BUILD_TESTS "Build the test suites" ON "DEV_BUILD" OFF)
# Warn about xbawks huge test binaries
if(BUILD_TESTS)
message(WARNING
"The testing binaries are HUGE! Each compiled test suite will be around 25MB.\n"
"If this a problem for you, run \"cmake -DBUILD_TESTS=OFF ..\" to disable.")
endif()
# Export compiler commands when building
#option(BUILD_EXPORT_CC_CMDS "Export the compiler commands when building to use with Sourcetrail" ON)
cmake_dependent_option(BUILD_EXPORT_CC_CMDS "Export the compiler commands when building to use with Sourcetrail" ON "DEV_BUILD" OFF)
# Export the compiler commands when building to use with Sourcetrail
if(BUILD_EXPORT_CC_CMDS)
if(NOT CMAKE_EXPORT_COMPILE_COMMANDS)
set(CMAKE_EXPORT_COMPILE_COMMANDS
ON
CACHE BOOL "Enable output of compile commands during generation." FORCE)
endif()
message(STATUS "Export of compile commands is set to: ${CMAKE_EXPORT_COMPILE_COMMANDS}")
endif(BUILD_EXPORT_CC_CMDS)
##
# Searching for packages
##
#set_target_properties(machines PROPERTIES LINK_SEARCH_START_STATIC 1)
#set_target_properties(machines PROPERTIES LINK_SEARCH_END_STATIC 1)
if(BUILD_32)
# Prefer static libraries
#set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS OFF)
set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB32_PATHS ON)
else()
set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS ON)
set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB32_PATHS OFF)
endif()
find_package(OpenGL 2.1 REQUIRED)
find_package(SDL2 REQUIRED)
find_package(SDL2_image REQUIRED)
find_package(GLEW REQUIRED)
find_package(OpenAL REQUIRED)
find_package(glm REQUIRED)
include(EnsureOpenALTarget)
find_optional_dependency(Alure)
find_optional_dependency(SWScale)
find_package(enet REQUIRED)
find_package(Freetype REQUIRED)
if(NOT DEV_BUILD)
add_definitions(-DNDEBUG)
add_definitions(-DPRODUCTION)
endif()
# CMake Freetype find package sets only the capital-case variable
set(Freetype_INCLUDE_DIRS ${FREETYPE_INCLUDE_DIRS})
# Some glm versions export only `glm` target
if(TARGET glm AND NOT TARGET glm::glm)
add_library(glm::glm INTERFACE IMPORTED)
target_link_libraries(glm::glm INTERFACE glm)
endif()
if(PLATFORM_WINDOWS)
if(NOT BUILD_32)
find_library(MSVCRT_LIBRARY msvcrt HINTS ${WINDOWS_DEPENDENCIES_DIR})
find_library(FREETYPE_LIBRARY freetype HINTS ${WINDOWS_DEPENDENCIES_DIR})
find_library(HARFBUZZ_LIBRARY harfbuzz HINTS ${WINDOWS_DEPENDENCIES_DIR})
find_library(BZ2_LIBRARY bz2 HINTS ${WINDOWS_DEPENDENCIES_DIR})
find_library(PNG16_LIBRARY png16 HINTS ${WINDOWS_DEPENDENCIES_DIR})
find_library(GRAPHITE2_LIBRARY graphite2 HINTS ${WINDOWS_DEPENDENCIES_DIR})
find_library(Z_LIBRARY z HINTS ${WINDOWS_DEPENDENCIES_DIR})
find_library(RPCRT4_LIBRARY rpcrt4 HINTS ${WINDOWS_DEPENDENCIES_DIR})
find_library(USP10_LIBRARY usp10 HINTS ${WINDOWS_DEPENDENCIES_DIR})
endif()
target_link_libraries(Freetype::Freetype INTERFACE
${PNG16_LIBRARY}
${HARFBUZZ_LIBRARY}
${GRAPHITE2_LIBRARY}
${FREETYPE_LIBRARY}
${BZ2_LIBRARY}
${Z_LIBRARY}
${RPCRT4_LIBRARY}
${USP10_LIBRARY}
)
endif()
# Compile flags as defined in global CMakeLists
set(CMAKE_CXX_FLAGS "${MACHINES_CXX_FLAGS}")
set(CMAKE_C_FLAGS "${MACHINES_C_FLAGS}")
set(CMAKE_CXX_FLAGS_RELEASE ${MACHINES_CXX_FLAGS_RELEASE})
set(CMAKE_CXX_FLAGS_DEBUG ${MACHINES_CXX_FLAGS_DEBUG})
##
# Targets
##
# Subdirectory with sources
add_subdirectory(external)
add_subdirectory(src)
# TESTS
if(BUILD_TESTS)
message(STATUS "Unit tests are enabled.")
include(FetchContent)
FetchContent_Declare(
googletest
# Specify the commit you depend on and update it regularly.
URL https://github.com/google/googletest/archive/refs/tags/release-1.12.1.zip
)
FetchContent_GetProperties(googletest)
if(NOT googletest_POPULATED)
FetchContent_Populate(googletest)
add_subdirectory(${googletest_SOURCE_DIR} ${googletest_BINARY_DIR} EXCLUDE_FROM_ALL)
endif()
if(PLATFORM_WINDOWS)
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
endif(PLATFORM_WINDOWS)
enable_testing()
add_subdirectory(test)
endif(BUILD_TESTS)
# Install
install(DIRECTORY "data" DESTINATION ".")
install(DIRECTORY "sounds" DESTINATION ".")
install(DIRECTORY "gui" DESTINATION ".")
install(DIRECTORY "models" DESTINATION ".")
install(FILES "machstrg.xml" DESTINATION ".")
install(TARGETS machines DESTINATION ".")
if(TARGET planeted)
install(TARGETS planeted DESTINATION ".")
endif()
set(CPACK_GENERATOR ZIP)
include(CPack)