CMakeLists.txt

cmake_minimum_required(VERSION 3.0)

set(PROJECT_NAME "snd_be")

project(${PROJECT_NAME})

################################################################################
# Options
################################################################################

OPTION(WITH_PULSE "build with PulseAudio backend" ON)
OPTION(WITH_ALSA "build with Alsa backend" ON)
OPTION(WITH_MOCKBELIB "build with mock backend lib" OFF)
OPTION(WITH_DOC "build with documenation" OFF)

message(STATUS)
message(STATUS "${PROJECT_NAME} Configuration:")
message(STATUS "CMAKE_BUILD_TYPE              = ${CMAKE_BUILD_TYPE}")
message(STATUS "CMAKE_INSTALL_PREFIX          = ${CMAKE_INSTALL_PREFIX}")
message(STATUS)
message(STATUS "WITH_DOC                      = ${WITH_DOC}")
message(STATUS "WITH_PULSE                    = ${WITH_PULSE}")
message(STATUS "WITH_ALSA                     = ${WITH_ALSA}")
message(STATUS)
message(STATUS "WITH_MOCKBELIB                = ${WITH_MOCKBELIB}")
message(STATUS)
message(STATUS "XEN_INCLUDE_PATH              = ${XEN_INCLUDE_PATH}")
message(STATUS "XENBE_INCLUDE_PATH            = ${XENBE_INCLUDE_PATH}")
message(STATUS "IF_INCLUDE_PATH               = ${IF_INCLUDE_PATH}")
if(WITH_MOCKBELIB)
message(STATUS "XENBEMOCK_INCLUDE_PATH        = ${XENBEMOCK_INCLUDE_PATH}")
endif()
message(STATUS)
message(STATUS "XEN_LIB_PATH                  = ${XEN_LIB_PATH}")
message(STATUS "XENBE_LIB_PATH                = ${XENBE_LIB_PATH}")
if(WITH_MOCKBELIB)
message(STATUS "XENBEMOCK_LIB_PATH            = ${XENBEMOCK_LIB_PATH}")
endif()
message(STATUS)

if(NOT WITH_PULSE AND NOT WITH_ALSA)
	message(FATAL_ERROR "At least one backend should be specified: WITH_ALSA, WITH_PULSE")
endif()

################################################################################
# Compiler flags
################################################################################

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

################################################################################
# Definitions
################################################################################

if(WITH_ALSA)
	add_definitions(-DWITH_ALSA)
endif()

if(WITH_PULSE)
	add_definitions(-DWITH_PULSE)
endif()

if(WITH_MOCKBELIB)
	add_definitions(-DWITH_MOCKBELIB)
endif()

################################################################################
# Includes
################################################################################

include_directories(
	${XEN_INCLUDE_PATH}
	${XENBE_INCLUDE_PATH}
	${XENBEMOCK_INCLUDE_PATH}
	${CMAKE_CURRENT_BINARY_DIR}
	.
)

################################################################################
# Link directories
################################################################################

link_directories(
	${XEN_LIB_PATH}
	${XENBE_LIB_PATH}
	${XENBEMOCK_LIB_PATH}
)

################################################################################
# Sources
################################################################################

add_subdirectory(src)

################################################################################
# Versioning
################################################################################

find_package(Git)

if (NOT GIT_FOUND)
	set(GIT_EXECUTABLE git)
endif()

add_custom_target(Version
	COMMAND ${CMAKE_COMMAND}
	-D GIT_EXECUTABLE=${GIT_EXECUTABLE}
	-D INPUT_FILE=${CMAKE_CURRENT_SOURCE_DIR}/Version.hpp.in
	-D OUTPUT_FILE=${CMAKE_CURRENT_BINARY_DIR}/Version.hpp
	-D GIT_SOURCE_DIR=${CMAKE_SOURCE_DIR}
	-P ${CMAKE_SOURCE_DIR}/generateVersion.cmake
)

add_dependencies(${PROJECT_NAME} Version)

################################################################################
# Docs
################################################################################

find_package(Doxygen)

if(WITH_DOC AND NOT DOXYGEN_FOUND)
	message(FATAL_ERROR "Doxygen not found. Required to generate docs.")
else()
	configure_file(
		${CMAKE_CURRENT_SOURCE_DIR}/doxygen.cfg
		${CMAKE_CURRENT_BINARY_DIR}/doxygen.cfg
		@ONLY
	)
	
	add_custom_target(
		doc ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/doxygen.cfg
		WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
		COMMENT "Generating API documentation with Doxygen" VERBATIM
	)
endif()