CMakeLists.txt

################################################################################
#
#  Copyright (c) 2010-2024 Belledonne Communications SARL.
# 
#  This file is part of linphone-desktop
#  (see https://www.linphone.org).
# 
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
# 
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
# 
#  You should have received a copy of the GNU General Public License
#  along with this program. If not, see <http://www.gnu.org/licenses/>.
#
################################################################################

cmake_minimum_required(VERSION 3.22)


get_cmake_property(vars CACHE_VARIABLES)
foreach(var ${vars})
	get_property(currentHelpString CACHE "${var}" PROPERTY HELPSTRING)
	if("${currentHelpString}" MATCHES "No help, variable specified on the command line." OR "${currentHelpString}" STREQUAL "")
		#message("${var} = [${${var}}]  --  ${currentHelpString}") # uncomment to see the variables being processed
		list(APPEND USER_ARGS "-D${var}=${${var}}")
		if( "${var}" STREQUAL "CMAKE_PREFIX_PATH")
			set(PREFIX_PATH ";${${var}}")
		endif()
	elseif("${var}" STREQUAL "CMAKE_GENERATOR_PLATFORM" AND NOT("${${var}}" STREQUAL ""))
		message(STATUS "User-Setting Platform to ${${var}}")
	endif()
endforeach()
if(ENABLE_BUILD_VERBOSE)
	message("User Args : ${USER_ARGS}")
endif()

if(POLICY CMP0149)
    # VS generator looks for most recent Windows SDK, ignoring
    # CMAKE_SYSTEM_VERSION and allowing override by WindowsSDKVersion
    # environment variable. New in 3.27. This is to allow override
    # in the Windows CI builds.
    # This MUST be set before any project() or or enable_language() command.
    cmake_policy(SET CMP0149 NEW)
endif()

if(POLICY CMP0141)
    # Changes the way debug info on Windows are stored (forces /Z7)
    # This is a requirement to use build cache on Windows, since /Zi is another Microsoft cache, incompatible with any third party cache known to date
    set(CMAKE_MSVC_DEBUG_INFORMATION_FORMAT Embedded)
    cmake_policy(SET CMP0141 NEW)
endif()

project(linphoneqt)

include(GNUInstallDirs)
include(CheckCXXCompilerFlag)
include(Linphone/application_info.cmake)

set(CMAKE_CXX_STANDARD 17)
if(LINPHONEAPP_INSTALL_PREFIX)
	set(APPLICATION_OUTPUT_DIR "${LINPHONEAPP_INSTALL_PREFIX}")
else()
	set(APPLICATION_OUTPUT_DIR "${CMAKE_BINARY_DIR}/OUTPUT")
endif()