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##
# Main CMake project file
# Contains global options and definitions
##
cmake_minimum_required(VERSION 2.8)
project(colobot C CXX)
# Include cmake directory with some additional scripts
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${colobot_SOURCE_DIR}/cmake")
##
# Build options
##
# Global build type
set(CMAKE_BUILD_TYPE debug)
# Global compile flags
# These are specific to GCC/MinGW; for other compilers, change as necessary
set(CMAKE_CXX_FLAGS_RELEASE "-O2 -Wall -Wold-style-cast -std=gnu++0x")
set(CMAKE_CXX_FLAGS_DEBUG "-g -O0 -Wall -Wold-style-cast -std=gnu++0x")
# Asserts can be enabled/disabled regardless of build type
option(ASSERTS "Enable assert()s" ON)
# Building tests can be enabled/disabled
option(TESTS "Enable tests" ON)
# CBot can also be a static library
option(CBOT_STATIC "Build CBot as static libary" OFF)
##
# Required packages
##
find_package(OpenGL 1.4 REQUIRED)
find_package(SDL 1.2.10 REQUIRED)
find_package(SDL_image 1.2 REQUIRED)
find_package(SDL_ttf 2.0 REQUIRED)
find_package(PNG 1.2 REQUIRED)
find_package(LTDL 2.4.2 REQUIRED)
set(Boost_USE_STATIC_LIBS ON)
set(Boost_USE_MULTITHREADED ON)
set(Boost_USE_STATIC_RUNTIME OFF)
set(Boost_ADDITIONALVERSION "1.51" "1.51.0")
find_package(Boost COMPONENTS system filesystem regex REQUIRED)
# GLEW requirement depends on platform
# By default it is auto detected
# This setting may be used to override
# Possible values:
# - auto -> determine automatically
# - 1 -> always enable
# - 0 -> always disable
set(USE_GLEW auto)
# This is useful on Windows, if linking against standard GLEW dll fails
option(GLEW_STATIC "Link statically with GLEW" OFF)
##
# Additional settings to use when cross-compiling with MXE (http://mxe.cc/)
##
include("${colobot_SOURCE_DIR}/cmake/mxe.cmake")
##
# Platform detection and some related checks
##
if (${CMAKE_SYSTEM_NAME} MATCHES "Windows")
message(STATUS "Windows system detected")
set(PLATFORM_WINDOWS 1)
set(PLATFORM_LINUX 0)
set(PLATFORM_OTHER 0)
# On Windows, GLEW is required
if (${USE_GLEW} MATCHES "auto")
set(USE_GLEW 1)
endif()
elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
message(STATUS "Linux system detected")
set(PLATFORM_WINDOWS 0)
set(PLATFORM_LINUX 1)
set(PLATFORM_OTHER 0)
# On Linux, we should be fine without GLEW
if (${USE_GLEW} MATCHES "auto")
set(USE_GLEW 0)
endif()
else()
message(STATUS "Other system detected")
set(PLATFORM_WINDOWS 0)
set(PLATFORM_LINUX 0)
set(PLATFORM_OTHER 1)
# Use GLEW to be safe
if (${USE_GLEW} MATCHES "auto")
set(USE_GLEW 1)
endif()
endif()
if(${USE_GLEW})
find_package(GLEW REQUIRED)
endif()
if(NOT ${ASSERTS})
add_definitions(-DNDEBUG)
endif()
if(${TESTS})
add_definitions(-DTEST_VIRTUAL=virtual)
enable_testing()
else()
add_definitions(-DTEST_VIRTUAL)
endif()
##
# Targets
##
if(${TESTS})
# Google Test library
find_path(GTEST_SRC_DIR NAMES src/gtest.cc src/gtest-all.cc PATHS /usr/src PATH_SUFFIXES gtest)
find_path(GTEST_INCLUDE_DIR gtest/gtest.h PATHS /usr/include)
if(GTEST_SRC_DIR AND GTEST_INCLUDE_DIR)
message(STATUS "Using system gtest library in ${GTEST_SRC_DIR}")
else()
message(STATUS "Using bundled gtest library")
set(GTEST_SRC_DIR ${colobot_SOURCE_DIR}/lib/gtest)
set(GTEST_INCLUDE_DIR ${colobot_SOURCE_DIR}/lib/gtest/include)
endif()
add_subdirectory(${GTEST_SRC_DIR} bin/gtest)
# Google Mock library
find_path(GMOCK_SRC_DIR NAMES src/gmock.cc src/gmock-all.cc PATHS /usr/src PATH_SUFFIXES gmock)
find_path(GMOCK_INCLUDE_DIR gmock/gmock.h PATHS /usr/include)
if(GMOCK_SRC_DIR AND GMOCK_INCLUDE_DIR)
message(STATUS "Using system gmock library in ${GMOCK_SRC_DIR}")
include_directories(${GMOCK_SRC_DIR})
# gmock-all.cc includes all other sources
add_library(gmock STATIC ${GMOCK_SRC_DIR}/src/gmock-all.cc)
else()
message(STATUS "Using bundled gmock library")
set(GMOCK_SRC_DIR ${colobot_SOURCE_DIR}/lib/gmock)
set(GMOCK_INCLUDE_DIR ${colobot_SOURCE_DIR}/lib/gmock/include)
add_subdirectory(${GMOCK_SRC_DIR} bin/gmock)
endif()
endif()
# TODO: provide data files as git submodule
set(COLOBOT_DATA_DIR share/games/colobot CACHE PATH "Colobot shared data directory")
set(COLOBOT_LIB_DIR lib/colobot CACHE PATH "Colobot libraries directory")
# Subdirectory with sources
add_subdirectory(src bin)
install(DIRECTORY ../data DESTINATION ${COLOBOT_DATA_DIR})
# Build and install documentation
set(COLOBOT_DOC_DIR ${CMAKE_INSTALL_PREFIX}/share/doc/colobot CACHE PATH "Colobot documentation directory")
find_package(Doxygen)
if(DOXYGEN_FOUND AND DOXYGEN_DOT_FOUND)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
add_custom_target(doc
${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Generating API documentation with Doxygen" VERBATIM )
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doc/ DESTINATION ${COLOBOT_DOC_DIR} OPTIONAL)
endif(DOXYGEN_FOUND AND DOXYGEN_DOT_FOUND)
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