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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 2.8)
project(machines C CXX)
##
# Project version
##
set(MACHINES_VERSION_CODENAME "Patch 1.5")
set(MACHINES_VERSION_MAJOR 0)
set(MACHINES_VERSION_MINOR 1)
set(MACHINES_VERSION_REVISION 1.5)
message(STATUS "Building Machines \"${MACHINES_VERSION_CODENAME}\" (${MACHINES_VERSION_FULL})")
set(BUILD_NUMBER 0)
if(NOT "$ENV{BUILD_NUMBER}" STREQUAL "")
set(BUILD_NUMBER "$ENV{BUILD_NUMBER}")
message(STATUS "CI build #${BUILD_NUMBER}")
endif()
##
# Platform detection and some related checks
##
if("${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("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
message(STATUS "Build for Linux system")
set(PLATFORM_WINDOWS 0)
set(PLATFORM_LINUX 1)
set(PLATFORM_GNU 1)
set(PLATFORM_MACOSX 0)
set(PLATFORM_OTHER 0)
# Platform-dependent implementation of system.h
#set(SYSTEM_CPP_MODULE "system_linux.cpp")
#set(SYSTEM_H_MODULE "system_linux.h")
else()
message(STATUS "Build for other system")
set(PLATFORM_WINDOWS 0)
set(PLATFORM_LINUX 0)
set(PLATFORM_GNU 0)
set(PLATFORM_MACOSX 0)
set(PLATFORM_OTHER 1)
# Platform-dependent implementation of system.h
set(SYSTEM_CPP_MODULE "system_other.cpp")
set(SYSTEM_H_MODULE "system_other.h")
endif()
##
# Build options
##
# Include cmake directory with some additional scripts
set(CMAKE_MODULE_PATH "${machines_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
# Build targets should be placed in the root build directory
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
# 32 bit build configuration
option(BUILD_32 "Builds 32 bit executable" OFF)
# Include cmake directory with some additions
# Compiler detection
#set(CMAKE_CXX_COMPILER "${OMPP_CXX}" CACHE PATH "Set compiler used")
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
message(FATAL_ERROR "${PROJECT_NAME} requires GCC 4.7 or greater.")
endif()
message(STATUS "Detected GCC version 4.7+")
#set(NORMAL_CXX_FLAGS "-std=gnu++11 -Wall -Werror -Wold-style-cast -pedantic-errors -Wmissing-declarations")
if(BUILD_32)
set(NORMAL_CXX_FLAGS "-std=gnu++11 -m32 -Wall -Wold-style-cast -Wmissing-declarations")
set(NORMAL_C_FLAGS "-m32 -Wall")
else()
set(NORMAL_CXX_FLAGS "-std=gnu++11 -m64 -Wall -Wold-style-cast -Wmissing-declarations")
set(NORMAL_C_FLAGS "-m64 -Wall")
endif()
set(NORMAL_CXX_FLAGS "${NORMAL_CXX_FLAGS} -Wno-error=deprecated-declarations") # updated version of physfs is not available on some platforms so we keep using deprecated functions, see #958
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
set(NORMAL_CXX_FLAGS "${NORMAL_CXX_FLAGS} -Wsuggest-override")
endif()
set(RELEASE_CXX_FLAGS "-O2")
set(DEBUG_CXX_FLAGS "-gstabs -O0")
set(TEST_CXX_FLAGS "-pthread")
add_definitions(-DNOEXCEPT=noexcept -DHAVE_DEMANGLE)
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.1)
message(FATAL_ERROR "${PROJECT_NAME} requires Clang 3.1 or greater.")
endif()
message(STATUS "Detected Clang version 3.1+")
set(NORMAL_CXX_FLAGS "-std=c++11 -m32 -Wall -Werror -Wold-style-cast -pedantic-errors -Wmissing-prototypes")
set(NORMAL_CXX_FLAGS "${NORMAL_CXX_FLAGS} -Wno-error=deprecated-declarations") # updated version of physfs is not available on some platforms so we keep using deprecated functions, see #958
set(RELEASE_CXX_FLAGS "-O2")
set(DEBUG_CXX_FLAGS "-g -O0")
set(TEST_CXX_FLAGS "-pthread")
add_definitions(-DNOEXCEPT=noexcept -DHAVE_DEMANGLE)
elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
message(STATUS "Detected MSVC compiler")
set(NORMAL_CXX_FLAGS "/wd\"4244\" /wd\"4309\" /wd\"4800\" /wd\"4996\" /wd\"4351\" /EHsc") # disable some useless warnings
set(RELEASE_CXX_FLAGS "/MD")
set(DEBUG_CXX_FLAGS "/MDd /ZI")
set(TEST_CXX_FLAGS "")
add_definitions(-DNOEXCEPT= -DHAS_MSVC_EXCEPTION_BUG)
# Needed for Debug information (it's set to "No" by default for some reason)
set(CMAKE_EXE_LINKER_FLAGS_DEBUG "/DEBUG")
set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "/DEBUG")
else()
message(FATAL_ERROR "Your C++ compiler doesn't seem to be supported.")
endif()
# Compiler flags
set(MACHINES_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${NORMAL_CXX_FLAGS}")
set(MACHINES_C_FLAGS "${CMAKE_C_FLAGS} ${NORMAL_C_FLAGS}")
set(MACHINES_CXX_FLAGS_RELEASE "${RELEASE_CXX_FLAGS}")
set(MACHINES_CXX_FLAGS_DEBUG "${DEBUG_CXX_FLAGS}")
# Asserts can be enabled/disabled regardless of build type
option(DEV_BUILD "Enable assert()s and other debug checks" ON)
# Warn about development build
if(DEV_BUILD)
message(STATUS "Building with development extensions")
endif()
##
# 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(Alure REQUIRED)
find_package(ENet REQUIRED)
find_package(Freetype REQUIRED)
if(NOT DEV_BUILD)
add_definitions(-DNDEBUG)
add_definitions(-DPRODUCTION)
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})
# Windows 64-bit libraries
set(LIBS
${MSVCRT_LIBRARY}
${FREETYPE_LIBRARY}
${HARFBUZZ_LIBRARY}
${BZ2_LIBRARY}
${PNG16_LIBRARY}
${GRAPHITE2_LIBRARY}
${Z_LIBRARY}
${RPCRT4_LIBRARY}
${USP10_LIBRARY}
)
endif()
endif()
##
# Targets
##
# Subdirectory with sources
add_subdirectory(src)