CMakeLists.txt

cmake_minimum_required(VERSION 3.8)

project(root)

option(TARGET "Architecture cible" pc)
option(COLOR "Sortie en couleur de la compilation" ON)
option(DEBUG "Compilation avec les symboles de debug et sans optimisations" OFF)
option(COVERAGE "Compilation avec '--coverage' pour l'utilisation de 'lcov'" OFF)
set(BITS "64" CACHE . "Build en 32 ou 64 bits")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -std=gnu++17")
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_ENABLE_EXPORTS ON)

if(RASPI)
	set(INFO_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/build_arm")
else()
	set(INFO_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/build")
endif()

execute_process(
	COMMAND mkdir -p ${INFO_OUTPUT_DIRECTORY}
)

set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${INFO_OUTPUT_DIRECTORY})
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${INFO_OUTPUT_DIRECTORY})
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${INFO_OUTPUT_DIRECTORY})

SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules/")

# Mise à jour des submodules Git.
execute_process(
		COMMAND git submodule update --init --recursive
		WORKING_DIRECTORY ${root_SOURCE_DIR}
)
add_custom_target(InfoSubmodules
		COMMAND git submodule update --init --recursive
		WORKING_DIRECTORY ${root_SOURCE_DIR}
		)

if(DEBUG)
	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0")
else()
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2")
	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -flto")
	set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -flto")
	set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -flto")
endif()

if(COVERAGE)
    message(STATUS "Building project with coverage information")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -O0 --coverage")
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 --coverage")
endif()

if (${CMAKE_CXX_COMPILER_ID} STREQUAL "^(Apple)?Clang$")
	if (COLOR)
		set(CMAKE_COLOR_MAKEFILE ON)
		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fcolor-diagnostics")
		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcolor-diagnostics")
	else ()
		set(CMAKE_COLOR_MAKEFILE OFF)
		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-color-diagnostics")
		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-color-diagnostics")
	endif()

	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror=return-stack-address")

else()

	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror=return-local-addr")

endif()

if(${BITS} EQUAL 32)
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32")
	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -m32")
	set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -m32")
	set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -m32")
endif()

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Waddress -Wbuiltin-macro-redefined -Werror=return-type -Winit-self -Wnon-virtual-dtor -Wno-sign-compare -Wold-style-cast -Woverloaded-virtual -Wsuggest-attribute=noreturn -Wswitch -Wuninitialized -Wunreachable-code -Wunused-parameter -Wunused-value")

function(compile_petri TARGET_NAME PATH_TO_DOC OUTPUT)
	add_custom_target(${TARGET_NAME}
			COMMAND petrilab --update --arch ${BITS} ${CMAKE_CURRENT_SOURCE_DIR}/${PATH_TO_DOC}
			)
endfunction()

if(RASPI)
	add_definitions(-DRASPI)
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-psabi")
else()
	link_directories(/usr/local/lib/)
endif()

# Il y a du code pour les ombres, apparamment. Ca a pas l'air de marcher.
# debug/CGTK semble désactivé depuis un moment également.
#add_definitions(-DGTKWIN_DISABLE)

include_directories(src/commun /usr/local/include/)
add_subdirectory(third_parties)

add_subdirectory(src)

# Target pour les tests unitaires
enable_testing()
add_subdirectory(test)