############################################################################
# CMakeLists.txt
# Copyright (C) 2015  Belledonne Communications, Grenoble France
#
############################################################################
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
############################################################################

cmake_minimum_required(VERSION 3.0)
project(BELR C CXX)

set(BELR_MAJOR_VERSION "0")
set(BELR_MINOR_VERSION "0")
set(BELR_MICRO_VERSION "1")
set(BELR_VERSION "${BELR_MAJOR_VERSION}.${BELR_MINOR_VERSION}.${BELR_MICRO_VERSION}")
set(BELR_SO_VERSION "1")

macro(apply_compile_flags SOURCE_FILES)
	if(${SOURCE_FILES})
		set(options "")
		foreach(a ${ARGV})
			if(STRICT_OPTIONS_${a})
				string(REPLACE ";" " " options_${a} "${STRICT_OPTIONS_${a}}")
				set(options "${options} ${options_${a}}")
			endif()
		endforeach()
		if(options)
			set_source_files_properties(${${SOURCE_FILES}} PROPERTIES COMPILE_FLAGS "${options}")
		endif()
	endif()
endmacro()


list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

include(CheckSymbolExists)
include(CMakePushCheckState)

set(MSVC_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/include/MSVC")
if(MSVC)
	list(APPEND CMAKE_REQUIRED_INCLUDES "${MSVC_INCLUDE_DIR}")
endif()

# find_package should be invoked here to check for libraries - however do NOT
# call include_directories here (see below)

if(UNIX AND NOT APPLE)
	include(CheckIncludeFiles)
	check_include_files(libudev.h HAVE_LIBUDEV_H)
endif()

include_directories(
	include/
	src/
	${CMAKE_CURRENT_BINARY_DIR}
)
if(MSVC)
	include_directories(${MSVC_INCLUDE_DIR})
endif()

set(STRICT_OPTIONS_CPP )
set(STRICT_OPTIONS_C )
set(STRICT_OPTIONS_CXX )
set(STRICT_OPTIONS_OBJC )
if(NOT MSVC)
	list(APPEND STRICT_OPTIONS_CXX "-std=c++11")
	list(APPEND STRICT_OPTIONS_CPP "-Wall" "-Wuninitialized" "-Wno-error=deprecated-declarations")
	list(APPEND STRICT_OPTIONS_C "-Wdeclaration-after-statement" "-Wstrict-prototypes" "-Wno-error=strict-prototypes")
	if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
		list(APPEND STRICT_OPTIONS_CPP "-Qunused-arguments" "-Wno-array-bounds")
	endif()
	if(APPLE)
		list(APPEND STRICT_OPTIONS_CPP "-Wno-error=unknown-warning-option" "-Qunused-arguments" "-Wno-tautological-compare" "-Wno-unused-function" "-Wno-array-bounds")
	endif()
	if(ENABLE_STRICT)
		list(APPEND STRICT_OPTIONS_CPP "-Werror" "-fno-strict-aliasing")
	endif()
endif()
if(STRICT_OPTIONS_CPP)
	list(REMOVE_DUPLICATES STRICT_OPTIONS_CPP)
endif()
if(STRICT_OPTIONS_C)
	list(REMOVE_DUPLICATES STRICT_OPTIONS_C)
endif()

add_subdirectory(include)
add_subdirectory(src)