CMakeLists.txt

#
# mod-player by th.kattanek
#
###################################################
# Options
# -CMAKE_INSTALL_PREFIX=[INSTALL_PATH] --- Setzt den Installationspfad
# -DWIN32_STATIC_BUILD (TRUE or FLASE) --- Wenn TRUE wird ein Windows Static Binarie erstellt
# -DCMAKE_BUILD_TYPE (Release or Debug) --- Build Typ welches erzeugt werden soll (Default is Release)

cmake_minimum_required(VERSION 2.8)

##################### PROJEKT #####################

project("mod-player")
message(STATUS "Project Name: " ${PROJECT_NAME})

################## CONFIGURATION ##################

# Standard Build Typ = Release
if(NOT CMAKE_BUILD_TYPE)
        set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build (Debug or Release)" FORCE)
        message(STATUS "CMAKE_BUILD_TYPE NOT FOUND -- Default setting to Release")
endif()

set(IS_DEBUG_BUILD CMAKE_BUILD_TYPE STREQUAL "Debug")

# Indication to the code that this is a debug build
if (${IS_DEBUG_BUILD})
    add_compile_definitions(__DEBUG__)
endif ()

# Standard WIN32_STATIC_BUILD = FALSE
if(NOT WIN32_STATIC_BUILD)
        set(WIN32_STATIC_BUILD FALSE CACHE STRING "Choose a static or shared win32 build (TRUE or FALSE)" FORCE)
        message(STATUS "WIN32_STATIC_BUILD NOT FOUND -- Default setting to FALSE")
endif()

if(WIN32)
    if(WIN32_STATIC_BUILD)
        message(STATUS "BUILD A W32 STATIC BINARY")
    endif()
endif()

set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
set(CMAKE_INCLUDE_CURRENT_DIR ON)

############### COMPILER OPTIONEN #################

## Enable C++11 as default
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR CMAKE_COMPILER_IS_GNUCXX)
    include(CheckCXXCompilerFlag)
    CHECK_CXX_COMPILER_FLAG(--std=c++11 SUPPORTS_STD_CXX11)
    CHECK_CXX_COMPILER_FLAG(--std=c++0x SUPPORTS_STD_CXX01)
    if(SUPPORTS_STD_CXX11)
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++11")
        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --std=c++11")
    elseif(SUPPORTS_STD_CXX01)
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++0x")
        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --std=c++0x")
    else()
        message(ERROR "Compiler does not support --std=c++11 or --std=c++0x.")
    endif()
endif()

if(WIN32)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s -O2 -g2 -Wall")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s -O2 -g2 -Wall")
endif()

############ VERSIONSNUMMER via GIT ###############

# Holen des aktuellen Arbeitsbranches
execute_process(
  COMMAND git rev-parse --abbrev-ref HEAD
  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
  OUTPUT_VARIABLE GIT_BRANCH
  OUTPUT_STRIP_TRAILING_WHITESPACE
)

# Holen des Hashecodes vom letzten Commits
execute_process(
  COMMAND git log -1 --format=%h
  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
  OUTPUT_VARIABLE GIT_COMMIT_HASH
  OUTPUT_STRIP_TRAILING_WHITESPACE
)

# Version aus dem Tag ermitteln
execute_process(
  COMMAND git describe --always --tags
  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
  OUTPUT_VARIABLE VERSION_STRING
  OUTPUT_STRIP_TRAILING_WHITESPACE
)

add_definitions("-DVERSION_STRING=\"${VERSION_STRING}\"")

message(STATUS "Aktueller Git Hashcode : ${GIT_COMMIT_HASH}")
message(STATUS "Aktueller Arbeitsbranch: ${GIT_BRANCH}")
message(STATUS "Aktuelle ${PROJECT_NAME} Version : ${VERSION_STRING}")

############## ARCHITEKTUR ERMITTELN ##############

if ( "${CMAKE_SIZEOF_VOID_P}" EQUAL 4)
        set(ARCHITECTURE "32Bit")
elseif ( "${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
        set(ARCHITECTURE "64Bit")
endif()

add_definitions("-DARCHITECTURE_STRING=\"${ARCHITECTURE}\"")

message(STATUS "Architektur: ${ARCHITECTURE}")

##################### SOURCES #####################

set(SOURCES
    src/main.cpp
    src/mod_class.cpp
    src/mod_class.h
    src/level_meter_class.cpp
    src/level_meter_class.h
    src/low_pass_filter.cpp
    src/low_pass_filter.h
)

################### RESOURCEN #####################

if(WIN32)
    set(WIN_RC ${PROJECT_SOURCE_DIR}/src/${PROJECT_NAME}.rc)
endif()

##################### LIBRARY #####################

# X11
if (UNIX)
    find_package(X11 REQUIRED)
    if(X11_FOUND)
        include_directories(${X11_INCLUDE_DIR})
    else()
        message(FATAL_ERROR "X11 wurde nicht gefunden!")
    endif()
endif()

# SDL2
find_package(SDL2 REQUIRED)
if(SDL2_FOUND)
    include_directories(${SDL2_INCLUDE_DIR})
else()
    message(FATAL_ERROR "SDL2 wurde nicht gefunden!")
endif()

# SDL2 TTF
find_package(SDL2_ttf REQUIRED)
if(SDL2_TTF_FOUND)
    include_directories(${SDL2_TTF_INCLUDE_DIR})
else()
    message(FATAL_ERROR "SDL2 TTF wurde nicht gefunden!")
endif()

# SDL2 Image
#find_package(SDL2_image REQUIRED)
#if(SDL2_IMAGE_FOUND)
#    include_directories(${SDL2_IMAGE_INCLUDE_DIR})
#else()
#    message(FATAL_ERROR "SDL2_IMAGE wurde nicht gefunden.")
#endif()

# SDL2 Mixer
#find_package(SDL2_mixer REQUIRED)
#if(SDL2_MIXER_FOUND)
#    include_directories(${SDL2_MIXER_INCLUDE_DIR})
#else()
#    message(FATAL_ERROR "SDL2_MIXER wurde nicht gefunden.")
#endif()

################### EXECUTABLE ####################

if(NOT WIN32)
    add_executable(${PROJECT_NAME} ${SOURCES})
else()
    add_executable(${PROJECT_NAME} ${SOURCES})

    ## For Consol Output
    set_target_properties(${PROJECT_NAME} PROPERTIES LINK_FLAGS "-Wl,--enable-auto-import  -Wl,--subsystem,console ${CMAKE_EXE_LINKER_FLAGS}")
endif()

target_link_libraries(${PROJECT_NAME} ${SDL2_LIBRARY})
target_link_libraries(${PROJECT_NAME} ${SDL2_TTF_LIBRARY})
#target_link_libraries(${PROJECT_NAME} ${SDL2_IMAGE_LIBRARY})
#target_link_libraries(${PROJECT_NAME} ${SDL2_MIXER_LIBRARY})

if(WIN32)
    if(CMAKE_CROSSCOMPILING)
        message(STATUS "Windows Crosscompiling ...")
        # SDL2 TTF
        execute_process(
          COMMAND ${PKG_CONFIG_EXECUTABLE} SDL2_ttf --libs
          OUTPUT_VARIABLE SDL2_TTF_LIBS
          OUTPUT_STRIP_TRAILING_WHITESPACE
        )

        set(WIN_LIBRARIES ${WIN_LIBRARIES} ${SDL2_TTF_LIBS})
        endif()

    target_link_libraries(${PROJECT_NAME} ${WIN32_LIBS} ${WIN_LIBRARIES})
endif()
    
################### INSTALL #######################

# Set DataPath
if(WIN32)
    add_definitions("-DDATA_PATH=\"./\"")
else()
    add_definitions("-DDATA_PATH=\"${CMAKE_INSTALL_PREFIX}/share/${PROJECT_NAME}/\"")
endif()

############ Install Binary und Daten #############
if(WIN32)

    ################## Windows #################
    # Install Binary
    install(TARGETS ${PROJECT_NAME} DESTINATION ./)

    # Install all Datas
    install(FILES "fonts/Topaz_a1200_v1.0.ttf" DESTINATION ./)
    install(FILES "mods/mentald2.mod" DESTINATION ./)
    install(FILES "mods/space_debris.mod" DESTINATION ./)

    # Sonstiges
    install(FILES "LICENSE" DESTINATION ./)

else()
    ################## Linux #################
    # Install Binary
    install(TARGETS ${PROJECT_NAME} DESTINATION bin)

    # Install all Datas
    install(FILES "fonts/Topaz_a1200_v1.0.ttf" DESTINATION share/${PROJECT_NAME})

    # Install Startmenü Eintrag
    # install(FILES "src/${PROJECT_NAME}.desktop" DESTINATION share/applications)
    # install(FILES "data/${PROJECT_NAME}.png" DESTINATION share/icons/hicolor/64x64/apps)

    # Sonstiges
    install(FILES "LICENSE" DESTINATION share/${PROJECT_NAME})
    #install(FILES "data/${PROJECT_NAME}.png" DESTINATION share/${PROJECT_NAME}/data)
endif()