cmake_minimum_required (VERSION 2.8)
project (OpenRaider)

# Version Number
set (OpenRaider_VERSION_MAJOR 0)
set (OpenRaider_VERSION_MINOR 1)
set (OpenRaider_VERSION_MICRO 2)
set (OpenRaider_VERSION_RELEASE -git)

# Build Host
set (OpenRaider_BUILD_HOST ${CMAKE_HOST_SYSTEM})

#################################################################

# Set a default build type if none was specified
if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
    message(STATUS "Setting build type to 'Debug' as none was specified.")
    set(CMAKE_BUILD_TYPE Debug)
endif()

#################################################################

# Configuration Header file
configure_file (
    "${PROJECT_SOURCE_DIR}/cmake/Config.h.in"
    "${PROJECT_BINARY_DIR}/Config.h"
)

# Include directories
include_directories ("${PROJECT_SOURCE_DIR}/include")
include_directories ("${PROJECT_BINARY_DIR}")

# Include External Modules
set (CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")

#################################################################

# Build warnings
set (WARNINGS "${WARNINGS} -Weverything -Wno-padded -Wno-packed -Wno-weak-vtables")
set (WARNINGS "${WARNINGS} -Wno-global-constructors -Wno-exit-time-destructors")
set (WARNINGS "${WARNINGS} -Wno-documentation-unknown-command -Wno-c++98-compat-pedantic")
set (WARNINGS "${WARNINGS} -Wno-missing-prototypes -Wno-missing-variable-declarations")
set (WARNINGS "${WARNINGS} -Wno-disabled-macro-expansion")

set (WARNINGS "${WARNINGS} -Wno-shorten-64-to-32 -Wno-sign-conversion")

# Flags for all builds
set (OpenRaider_CXX_FLAGS "${OpenRaider_CXX_FLAGS} -std=c++11 ${WARNINGS}")
set (OpenRaider_CXX_FLAGS "${OpenRaider_CXX_FLAGS} -DUSING_EMITTER")

# Flags for Debug build
set (OpenRaider_CXX_FLAGS_DEBUG "${OpenRaider_CXX_FLAGS_DEBUG} -g -O0")
set (OpenRaider_CXX_FLAGS_DEBUG "${OpenRaider_CXX_FLAGS_DEBUG} -DDEBUG")
set (OpenRaider_CXX_FLAGS_DEBUG "${OpenRaider_CXX_FLAGS_DEBUG} -DEXPERIMENTAL")

# Flags for Releasae builds
set (OpenRaider_CXX_FLAGS_RELEASE "${OpenRaider_CXX_FLAGS_RELEASE} -DNDEBUG -O2")
set (OpenRaider_CXX_FLAGS_RELEASE "${OpenRaider_CXX_FLAGS_RELEASE} -ffast-math -funroll-loops")
set (OpenRaider_CXX_FLAGS_RELEASE "${OpenRaider_CXX_FLAGS_RELEASE} -fomit-frame-pointer")

#################################################################

# Add subdirectories
add_subdirectory (src)

#################################################################

# Target for running the setup
add_custom_target (setup "${PROJECT_SOURCE_DIR}/cmake/setup.sh"
    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
)

#################################################################

# Target for running cppcheck
set (CHECK_STD "--std=c++11" "--std=posix")
set (CHECK_FLAGS "--quiet" "--force")
set (CHECK_NORMAL "--enable=information,warning,performance,portability")
set (CHECK_FULL "--enable=all")
set (CHECK_CONFIG "--check-config")
add_custom_target (check echo "Running cppcheck..."
    COMMAND cppcheck ${CHECK_FLAGS} "-I${PROJECT_SOURCE_DIR}/include" ${CHECK_STD} ${CHECK_NORMAL} ${PROJECT_SOURCE_DIR}
)
add_custom_target (checkFull echo "Running full cppcheck..."
    COMMAND cppcheck ${CHECK_FLAGS} "-I${PROJECT_SOURCE_DIR}/include" ${CHECK_STD} ${CHECK_FULL} ${PROJECT_SOURCE_DIR}
)
add_custom_target (checkConfig echo "Checking cppcheck config..."
    COMMAND cppcheck ${CHECK_FLAGS} "-I${PROJECT_SOURCE_DIR}/include" ${CHECK_CONFIG} ${PROJECT_SOURCE_DIR}
)

#################################################################

# Generate Doxygen Documentation
find_package (Doxygen)
if (DOXYGEN_FOUND)
    # Configure the Template Doxyfile for our specific project
    configure_file (cmake/Doxyfile.in 
        ${PROJECT_BINARY_DIR}/Doxyfile  @ONLY IMMEDIATE)

    # Add a custom target to run Doxygen when ever the project is built
    add_custom_target (doc
  	    COMMAND ${DOXYGEN_EXECUTABLE} ${PROJECT_BINARY_DIR}/Doxyfile
  		SOURCES ${PROJECT_BINARY_DIR}/Doxyfile)

    # Add custom target to create local documentation without graphs
    add_custom_target (docLocal
        COMMAND sed -i '' "s/HAVE_DOT               = YES/HAVE_DOT               = NO/g" Doxyfile
        COMMAND ${DOXYGEN_EXECUTABLE} ${PROJECT_BINARY_DIR}/Doxyfile
        COMMAND cp -R doc/html/* ${PROJECT_SOURCE_DIR}/../apache/
        COMMAND sed -i '' "s/HAVE_DOT               = NO/HAVE_DOT               = YES/g" Doxyfile
        SOURCES ${PROJECT_BINARY_DIR}/Doxyfile)

    # Add custom target to create local documentation with call and caller graphs
    add_custom_target (docLocalFull
        COMMAND sed -i '' "s/CALL_GRAPH             = NO/CALL_GRAPH             = YES/g" Doxyfile
        COMMAND sed -i '' "s/CALLER_GRAPH           = NO/CALLER_GRAPH           = YES/g" Doxyfile
        COMMAND ${DOXYGEN_EXECUTABLE} ${PROJECT_BINARY_DIR}/Doxyfile
        COMMAND cp -R doc/html/* ${PROJECT_SOURCE_DIR}/../apache/
        COMMAND sed -i '' "s/CALL_GRAPH             = YES/CALL_GRAPH             = NO/g" Doxyfile
        COMMAND sed -i '' "s/CALLER_GRAPH           = YES/CALLER_GRAPH           = NO/g" Doxyfile
        SOURCES ${PROJECT_BINARY_DIR}/Doxyfile)
endif (DOXYGEN_FOUND)

# Clean doc files
set_directory_properties (PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "doc")