# Copyright (C) 2012-2018  (see AUTHORS file for a list of contributors)
#
# This file is part of GNSS-SDR.
#
# GNSS-SDR 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.
#
# GNSS-SDR 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 GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
#

if(ENABLE_PLUTOSDR OR ENABLE_FMCOMMS2)
     find_package(GRIIO REQUIRED)
          if(NOT GRIIO_FOUND)
               message(STATUS "gnuradio-iio not found, its installation is required.")
               message(STATUS "Please build and install the following projects:")
               message(STATUS " * libiio from https://github.com/analogdevicesinc/libiio")
               message(STATUS " * libad9361-iio from https://github.com/analogdevicesinc/libad9361-iio")
               message(STATUS " * gnuradio-iio from https://github.com/analogdevicesinc/gr-iio")
               message(FATAL_ERROR "gnuradio-iio is required for building gnss-sdr with this option enabled")
          endif(NOT GRIIO_FOUND)
     set(OPT_LIBRARIES ${OPT_LIBRARIES} ${IIO_LIBRARIES})
     set(OPT_DRIVER_INCLUDE_DIRS ${OPT_DRIVER_INCLUDE_DIRS} ${IIO_INCLUDE_DIRS})
endif(ENABLE_PLUTOSDR OR ENABLE_FMCOMMS2)

if(ENABLE_FMCOMMS2 OR ENABLE_AD9361)
     find_package(LIBIIO REQUIRED)
          if(NOT LIBIIO_FOUND)
               message(STATUS "libiio not found, its installation is required.")
               message(STATUS "Please build and install the following projects:")
               message(STATUS " * libiio from https://github.com/analogdevicesinc/libiio")
               message(STATUS " * libad9361-iio from https://github.com/analogdevicesinc/libad9361-iio")
               message(STATUS " * gnuradio-iio from https://github.com/analogdevicesinc/gr-iio")
               message(FATAL_ERROR "libiio is required for building gnss-sdr with this option enabled")
          endif(NOT LIBIIO_FOUND)
     set(OPT_LIBRARIES ${OPT_LIBRARIES} ${LIBIIO_LIBRARIES})
     set(OPT_DRIVER_INCLUDE_DIRS ${OPT_DRIVER_INCLUDE_DIRS} ${LIBIIO_INCLUDE_DIRS})

     ###############################################
     # FMCOMMS2 based SDR Hardware
     ###############################################
     if(LIBIIO_FOUND)
          set(OPT_SIGNAL_SOURCE_LIB_SOURCES ad9361_manager.cc)
          set(OPT_SIGNAL_SOURCE_LIB_HEADERS ad9361_manager.h)
     endif(LIBIIO_FOUND)
endif(ENABLE_FMCOMMS2 OR ENABLE_AD9361)

if(ENABLE_FPGA OR ENABLE_AD9361)
     set(OPT_SIGNAL_SOURCE_LIB_SOURCES ${OPT_SIGNAL_SOURCE_LIB_SOURCES} fpga_switch.cc)
     set(OPT_SIGNAL_SOURCE_LIB_HEADERS ${OPT_SIGNAL_SOURCE_LIB_HEADERS} fpga_switch.h)
endif(ENABLE_FPGA OR ENABLE_AD9361)

include_directories(
     ${CMAKE_CURRENT_SOURCE_DIR}
     ${Boost_INCLUDE_DIRS}
     ${GLOG_INCLUDE_DIRS}
     ${GFlags_INCLUDE_DIRS}
     ${OPT_DRIVER_INCLUDE_DIRS}
)

set(SIGNAL_SOURCE_LIB_SOURCES
     rtl_tcp_commands.cc
     rtl_tcp_dongle_info.cc
     ${OPT_SIGNAL_SOURCE_LIB_SOURCES}
)

set(SIGNAL_SOURCE_LIB_HEADERS
     rtl_tcp_commands.h
     rtl_tcp_dongle_info.h
     ${OPT_SIGNAL_SOURCE_LIB_HEADERS}
)

list(SORT SIGNAL_SOURCE_LIB_HEADERS)
list(SORT SIGNAL_SOURCE_LIB_SOURCES)

add_library(signal_source_lib ${SIGNAL_SOURCE_LIB_SOURCES} ${SIGNAL_SOURCE_LIB_HEADERS})
source_group(Headers FILES ${SIGNAL_SOURCE_LIB_HEADERS})
target_link_libraries(signal_source_lib ${OPT_LIBRARIES})
add_dependencies(signal_source_lib glog-${glog_RELEASE})