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#This is the CMake file used to build GDevelop.

#For more information, see the Readme.md file.

cmake_minimum_required(VERSION 2.6)

cmake_policy(SET CMP0011 NEW)

# Add utility functions

include(scripts/CMakeClangUtils.txt) # To add clang-format and clang-tidy support to a target

# Macro for defining an option

macro(gd_set_option var default type docstring)

if(NOT DEFINED ${var})

set(${var} ${default})

endif()

set(${var} ${${var}} CACHE ${type} ${docstring} FORCE)

endmacro()

gd_set_option(BUILD_CORE TRUE BOOL "TRUE to build GDevelop Core library")

gd_set_option(BUILD_GDJS TRUE BOOL "TRUE to build GDevelop JS Platform")

gd_set_option(BUILD_EXTENSIONS TRUE BOOL "TRUE to build the extensions")

gd_set_option(BUILD_TESTS FALSE BOOL "TRUE to build the tests")

# Disable deprecated code

set(NO_GUI TRUE CACHE BOOL "" FORCE) #Force disable old GUI related code.

#Setting up installation directory, for Linux (has to be done before "project" command).

IF(NOT WIN32)

if (NOT APPLE)

gd_set_option(GD_INSTALL_PREFIX "/opt/gdevelop/" STRING "The directory where GDevelop should be installed")

ELSE()

gd_set_option(GD_INSTALL_PREFIX "." STRING "The directory where GDevelop should be installed")

ENDIF()

#As we embed SFML, prevent it to be installed system-wide

set(CMAKE_INSTALL_PREFIX "${GD_INSTALL_PREFIX}/useless")

ENDIF()

project(GDevelop)

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

IF(NOT WIN32 AND NOT APPLE AND NOT BUILD_TESTS)

SET(CMAKE_SKIP_BUILD_RPATH TRUE) #Avoid errors when packaging for linux.

ENDIF()

IF(APPLE)

set(CMAKE_MACOSX_RPATH 1)

set(CMAKE_INSTALL_RPATH_USE_LINK_PATH FALSE)

set(CMAKE_INSTALL_RPATH ".")

set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_WCHAR_H_CPLUSPLUS_98_CONFORMANCE_")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-potentially-evaluated-expression")

ENDIF()

#Sanity checks

IF ("${CMAKE_BUILD_TYPE}" STREQUAL "")

message( "CMAKE_BUILD_TYPE is empty, assuming build type is Release" )

set(CMAKE_BUILD_TYPE Release)

ENDIF()

IF("${CMAKE_BUILD_TYPE}" STREQUAL "Release" AND NOT WIN32 AND CMAKE_COMPILER_IS_GNUCXX)

SET(CMAKE_SHARED_LINKER_FLAGS "-s") #Force stripping to avoid errors when packaging for linux.

ENDIF()

#Activate C++11

include(CheckCXXCompilerFlag)

CHECK_CXX_COMPILER_FLAG("-std=gnu++11" COMPILER_SUPPORTS_CXX11)

CHECK_CXX_COMPILER_FLAG("-std=gnu++0x" COMPILER_SUPPORTS_CXX0X)

if(COMPILER_SUPPORTS_CXX11)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")

elseif(COMPILER_SUPPORTS_CXX0X)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")

else()

message(FATAL_ERROR "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support (with GNU extensions). Please use a different C++ compiler.")

endif()

# Mark some warnings as errors

if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")

# Activate as much warnings as possible to avoid errors like

# uninitialized variables or other hard to debug bugs.

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unknown-warning-option")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-reorder-ctor -Wno-reorder -Wno-pessimizing-move -Wno-unused-variable -Wno-unused-private-field")

# Make as much warnings considered as errors as possible (only one for now).

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

endif()

#Define common directories:

set(GD_base_dir ${CMAKE_CURRENT_SOURCE_DIR})

#Add all the CMakeLists:

ADD_SUBDIRECTORY(ExtLibs)

IF(BUILD_CORE)

ADD_SUBDIRECTORY(Core)

ENDIF()

IF(BUILD_GDJS)

ADD_SUBDIRECTORY(GDJS)

ENDIF()

IF(EMSCRIPTEN)

ADD_SUBDIRECTORY(GDevelop.js)

ENDIF()

IF(BUILD_EXTENSIONS)

ADD_SUBDIRECTORY(Extensions)

ENDIF()