# Copyright 2011,2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio 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, or (at your option)
# any later version.
#
# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.

cmake_minimum_required(VERSION 2.8.6)

INCLUDE(CheckIncludeFile)
INCLUDE(CheckIncludeFileCXX)
INCLUDE(CheckFunctionExists)
INCLUDE(CheckSymbolExists)
INCLUDE(CheckCXXSymbolExists)

########################################################################
# Project setup
########################################################################
project(gr-baz CXX C)
enable_testing()

set(IN_GR_BAZ True)
set(GR_BAZ_WITH_CMAKE True)

#select the release build type by default to get optimization flags
if(NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE "Release")
   message(STATUS "Build type not specified: defaulting to release.")
endif(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE STRING "")

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

########################################################################
# Compiler specific setup
########################################################################
if (CMAKE_COMPILER_IS_GNUCXX AND NOT WIN32)
	#http://gcc.gnu.org/wiki/Visibility
	#add_definitions(-fvisibility=hidden)	# FIXME
endif ()

if(MSVC AND NOT ENABLE_GR_BAZ)
	add_definitions(/MP)
endif()

########################################################################
# Find boost
########################################################################
if(ENABLE_GR_BAZ)
    include(GrBoost)
else()
    if(UNIX AND EXISTS "/usr/lib64")
        list(APPEND BOOST_LIBRARYDIR "/usr/lib64") #fedora 64-bit fix
    endif(UNIX AND EXISTS "/usr/lib64")
    
    SET(BOOST_REQUIRED_COMPONENTS
    #    date_time
    #    filesystem
    #    program_options
    #    regex
        system	# For OS X (why?)
        thread
    #    unit_test_framework
    )

	if(MSVC)
		SET(BOOST_REQUIRED_COMPONENTS thread date_time)
	
		if (NOT DEFINED BOOST_ALL_DYN_LINK)
			set(BOOST_ALL_DYN_LINK TRUE)
		endif()
		set(BOOST_ALL_DYN_LINK "${BOOST_ALL_DYN_LINK}" CACHE BOOL "boost enable dynamic linking")
		if(BOOST_ALL_DYN_LINK)
			add_definitions(-DBOOST_ALL_DYN_LINK) #setup boost auto-linking in msvc
		else(BOOST_ALL_DYN_LINK)
			unset(BOOST_REQUIRED_COMPONENTS) #empty components list for static link
		endif(BOOST_ALL_DYN_LINK)
	endif()
	
	find_package(Boost "1.35" COMPONENTS ${BOOST_REQUIRED_COMPONENTS})
	set(Boost_ADDITIONAL_VERSIONS
        "1.35.0" "1.35" "1.36.0" "1.36" "1.37.0" "1.37" "1.38.0" "1.38" "1.39.0" "1.39"
        "1.40.0" "1.40" "1.41.0" "1.41" "1.42.0" "1.42" "1.43.0" "1.43" "1.44.0" "1.44"
        "1.45.0" "1.45" "1.46.0" "1.46" "1.47.0" "1.47" "1.48.0" "1.48" "1.49.0" "1.49"
        "1.50.0" "1.50" "1.51.0" "1.51" "1.52.0" "1.52" "1.53.0" "1.53" "1.54.0" "1.54"
        "1.55.0" "1.55" "1.56.0" "1.56" "1.57.0" "1.57" "1.58.0" "1.58" "1.59.0" "1.59"
        "1.60.0" "1.60" "1.61.0" "1.61" "1.62.0" "1.62" "1.63.0" "1.63" "1.64.0" "1.64"
        "1.65.0" "1.65" "1.66.0" "1.66" "1.67.0" "1.67" "1.68.0" "1.68" "1.69.0" "1.69"
    )
    if(NOT Boost_FOUND)
        message(FATAL_ERROR "Boost required to compile baz")
    endif()
endif()

########################################################################
# Install directories
########################################################################
include(GrPlatform) #define LIB_SUFFIX
set(GR_RUNTIME_DIR      bin)
set(GR_LIBRARY_DIR      lib${LIB_SUFFIX})
set(GR_INCLUDE_DIR      include)	# In future make this include/baz
set(GR_DATA_DIR         share)
set(GR_PKG_DATA_DIR     ${GR_DATA_DIR}/${CMAKE_PROJECT_NAME})
set(GR_DOC_DIR          ${GR_DATA_DIR}/doc)
set(GR_PKG_DOC_DIR      ${GR_DOC_DIR}/${CMAKE_PROJECT_NAME})
set(GR_CONF_DIR         etc)
set(GR_PKG_CONF_DIR     ${GR_CONF_DIR}/${CMAKE_PROJECT_NAME}/conf.d)
set(GR_LIBEXEC_DIR      libexec)
set(GR_PKG_LIBEXEC_DIR  ${GR_LIBEXEC_DIR}/${CMAKE_PROJECT_NAME})
set(GRC_BLOCKS_DIR      ${GR_PKG_DATA_DIR}/grc/blocks)

########################################################################
# Find gnuradio build dependencies
########################################################################
if(ENABLE_GR_BAZ)
    set(GNURADIO_RUNTIME_LIBRARIES gnuradio-runtime)
else()
	set(GR_REQUIRED_COMPONENTS RUNTIME)	# Decide what is needed
    #find_package(GnuradioRuntime)	# No longer required
    find_package(Gnuradio)

    if(NOT GNURADIO_RUNTIME_FOUND)
        message(FATAL_ERROR "GnuRadio Core required to compile baz")
    endif()
endif()

########################################################################
# Optional req UHD
########################################################################
find_package(UHD)

if (UHD_FOUND)
    include_directories(${UHD_INCLUDE_DIRS})
    link_directories(${UHD_LIBRARY_DIRS})
	message(STATUS "UHD found - compiling UHD-aware blocks")
else ()
	message(STATUS "UHD NOT found! NOT compiling UHD-aware blocks")
endif ()

find_package(USB)

if (LIBUSB_FOUND)
	include_directories(${LIBUSB_INCLUDE_DIR})
	message(STATUS "libusb found - compiling RTL2832U source block")
else ()
	message(STATUS "libusb NOT found! NOT compiling RTL2832U source block")
endif ()

find_package(Armadillo)

if (ARMADILLO_FOUND)
	include_directories(${ARMADILLO_INCLUDE_DIRS})
	message(STATUS "Armadillo found - compiling MUSIC DOA estimator block")
else ()
	message(STATUS "Armadillo NOT found! NOT compiling MUSIC DOA estimator block")
endif ()

########################################################################
# Setup the include and linker paths
########################################################################
include_directories(
    #${CMAKE_CURRENT_SOURCE_DIR}/include
    ${PROJECT_BINARY_DIR}
	${CMAKE_CURRENT_SOURCE_DIR}/lib
    ${Boost_INCLUDE_DIRS}
    # ${GRUEL_INCLUDE_DIRS}
    ${GNURADIO_RUNTIME_INCLUDE_DIRS}
)

link_directories(
    ${Boost_LIBRARY_DIRS}
    # ${GRUEL_LIBRARY_DIRS}
    ${GNURADIO_CORE_LIBRARY_DIRS}
)

# Set component parameters
#set(GR_BAZ_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/include CACHE INTERNAL "" FORCE)
set(GR_BAZ_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/lib CACHE INTERNAL "" FORCE)
set(GR_BAZ_SWIG_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/swig CACHE INTERNAL "" FORCE)

########################################################################
# Create uninstall target
########################################################################
if(NOT ENABLE_GR_BAZ)
    configure_file(
        ${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in
        ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
    @ONLY)

    add_custom_target(uninstall
        ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
    )
endif(NOT ENABLE_GR_BAZ)

########################################################################
# gr-baz specific
########################################################################
CHECK_INCLUDE_FILE(netdb.h HAVE_NETDB_H)
CHECK_INCLUDE_FILE(sys/types.h HAVE_SYS_TYPES_H)
CHECK_INCLUDE_FILE(sys/socket.h HAVE_SYS_SOCKET_H)
CHECK_INCLUDE_FILE(netinet/in.h HAVE_NETINET_IN_H)
CHECK_INCLUDE_FILE(arpa/inet.h HAVE_ARPA_INET_H)
CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H)
CHECK_INCLUDE_FILE_CXX(boost/thread/xtime.hpp HAVE_BOOST_THREAD_XTIME_H)

CHECK_CXX_SYMBOL_EXISTS(CLOCK_MONOTONIC "boost/thread/xtime.hpp" HAVE_CLOCK_MONOTONIC)
if(HAVE_BOOST_THREAD_XTIME_H AND HAVE_CLOCK_MONOTONIC)
	CHECK_CXX_SYMBOL_EXISTS(boost::xtime_get "boost/thread/xtime.hpp" HAVE_XTIME)
	#boost::xtime xt; boost::xtime_get (&xt, CLOCK_MONOTONIC);
endif ()

configure_file("${PROJECT_SOURCE_DIR}/config.h.in" "${PROJECT_BINARY_DIR}/config.h")
add_definitions(-DHAVE_CONFIG_H)

########################################################################
# Add subdirectories
########################################################################
#add_subdirectory(include)
add_subdirectory(lib)
add_subdirectory(swig)
add_subdirectory(python)
add_subdirectory(grc)
add_subdirectory(apps)
add_subdirectory(docs)