uhd

#

# Copyright 2010-2011 Ettus Research LLC

#

# 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/>.

#

########################################################################

# This file included, use CMake directory variables

########################################################################

########################################################################

# Setup libusb

########################################################################

MESSAGE(STATUS "")

FIND_PACKAGE(USB1)

LIBUHD_REGISTER_COMPONENT("USB" ENABLE_USB ON "ENABLE_LIBUHD;LIBUSB_FOUND" OFF)

IF(ENABLE_USB)

    MESSAGE(STATUS "USB support enabled via libusb.")

    INCLUDE_DIRECTORIES(${LIBUSB_INCLUDE_DIR})

    LIBUHD_APPEND_LIBS(${LIBUSB_LIBRARIES})

    LIBUHD_APPEND_SOURCES(

        ${CMAKE_CURRENT_SOURCE_DIR}/libusb1_control.cpp

        ${CMAKE_CURRENT_SOURCE_DIR}/libusb1_zero_copy.cpp

        ${CMAKE_CURRENT_SOURCE_DIR}/libusb1_base.cpp

        ${CMAKE_CURRENT_SOURCE_DIR}/libusb1_base.hpp

    )

ELSE(ENABLE_USB)

    LIBUHD_APPEND_SOURCES(

        ${CMAKE_CURRENT_SOURCE_DIR}/usb_dummy_impl.cpp

    )

ENDIF(ENABLE_USB)

########################################################################

# Setup defines for interface address discovery

########################################################################

MESSAGE(STATUS "")

MESSAGE(STATUS "Configuring interface address discovery...")

INCLUDE(CheckCXXSourceCompiles)

INCLUDE(CheckIncludeFileCXX)

CHECK_CXX_SOURCE_COMPILES("

    #include <ifaddrs.h>

    int main(){

        struct ifaddrs *ifap;

        getifaddrs(&ifap);

        return 0;

    }

    " HAVE_GETIFADDRS

)

CHECK_INCLUDE_FILE_CXX(winsock2.h HAVE_WINSOCK2_H)

IF(HAVE_GETIFADDRS)

    MESSAGE(STATUS "  Interface address discovery supported through getifaddrs.")

    SET(IF_ADDRS_DEFS HAVE_GETIFADDRS)

ELSEIF(HAVE_WINSOCK2_H)

    MESSAGE(STATUS "  Interface address discovery supported through SIO_GET_INTERFACE_LIST.")

    SET(IF_ADDRS_DEFS HAVE_SIO_GET_INTERFACE_LIST)

ELSE()

    MESSAGE(STATUS "  Interface address discovery not supported.")

    SET(IF_ADDRS_DEFS HAVE_IF_ADDRS_DUMMY)

ENDIF()

SET_SOURCE_FILES_PROPERTIES(

    ${CMAKE_CURRENT_SOURCE_DIR}/if_addrs.cpp

    PROPERTIES COMPILE_DEFINITIONS "${IF_ADDRS_DEFS}"

)

########################################################################

# Setup UDP

########################################################################

LIBUHD_APPEND_SOURCES(${CMAKE_CURRENT_SOURCE_DIR}/udp_zero_copy.cpp)

#On windows, the boost asio implementation uses the winsock2 library.

#Note: we exclude the .lib extension for cygwin and mingw platforms.

IF(WIN32)

    LIBUHD_APPEND_LIBS(ws2_32)

ENDIF()

########################################################################

# Append to the list of sources for lib uhd

########################################################################

LIBUHD_PYTHON_GEN_SOURCE(

    ${CMAKE_CURRENT_SOURCE_DIR}/gen_vrt_if_packet.py

    ${CMAKE_CURRENT_BINARY_DIR}/vrt_if_packet.cpp

)

LIBUHD_APPEND_SOURCES(

    ${CMAKE_CURRENT_SOURCE_DIR}/buffer_pool.cpp

    ${CMAKE_CURRENT_SOURCE_DIR}/if_addrs.cpp

    ${CMAKE_CURRENT_SOURCE_DIR}/udp_simple.cpp

    ${CMAKE_CURRENT_SOURCE_DIR}/usb_zero_copy_wrapper.cpp

)