uhd

#

# Copyright 2010 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/>.

#

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

SET(_uhd_enabled_components "" CACHE INTERNAL "" FORCE)

SET(_uhd_disabled_components "" CACHE INTERNAL "" FORCE)

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

# Register a component into the system

#  - name the component string name

#  - var the global enable variable

#  - enb the default enable setting

#  - deps a list of dependencies

#  - dis the default disable setting

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

FUNCTION(LIBUHD_REGISTER_COMPONENT name var enb deps dis)

    INCLUDE(CMakeDependentOption)

    MESSAGE(STATUS "")

    MESSAGE(STATUS "Configuring ${name} support...")

    IF(DEFINED ${var})

        MESSAGE(STATUS "${name} support configured ${var}=${${var}}")

    ELSE(DEFINED ${var}) #not defined: automatic enabling of component

        MESSAGE(STATUS "${name} support configured automatically")

    ENDIF(DEFINED ${var})

    #setup the dependent option for this component

    CMAKE_DEPENDENT_OPTION(${var} "enable ${name} support" ${enb} "${deps}" ${dis})

    #remove previous occurrence of component in either list

    IF(DEFINED _uhd_enabled_components)

        LIST(REMOVE_ITEM _uhd_enabled_components ${name})

    ENDIF(DEFINED _uhd_enabled_components)

    IF(DEFINED _uhd_disabled_components)

        LIST(REMOVE_ITEM _uhd_disabled_components ${name})

    ENDIF(DEFINED _uhd_disabled_components)

    #append the component into one of the lists

    IF(${var})

        MESSAGE(STATUS "  Enabling ${name} support.")

        LIST(APPEND _uhd_enabled_components ${name})

    ELSE(${var})

        MESSAGE(STATUS "  Disabling ${name} support.")

        LIST(APPEND _uhd_disabled_components ${name})

    ENDIF(${var})

    #make components lists into global variables

    SET(_uhd_enabled_components ${_uhd_enabled_components} CACHE INTERNAL "" FORCE)

    SET(_uhd_disabled_components ${_uhd_disabled_components} CACHE INTERNAL "" FORCE)

ENDFUNCTION(LIBUHD_REGISTER_COMPONENT)

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

# Print the registered component summary

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

FUNCTION(UHD_PRINT_COMPONENT_SUMMARY)

    MESSAGE(STATUS "")

    MESSAGE(STATUS "######################################################")

    MESSAGE(STATUS "# LibUHD enabled components                           ")

    MESSAGE(STATUS "######################################################")

    FOREACH(comp ${_uhd_enabled_components})

        MESSAGE(STATUS "  * ${comp}")

    ENDFOREACH(comp)

    MESSAGE(STATUS "")

    MESSAGE(STATUS "######################################################")

    MESSAGE(STATUS "# LibUHD disabled components                          ")

    MESSAGE(STATUS "######################################################")

    FOREACH(comp ${_uhd_disabled_components})

        MESSAGE(STATUS "  * ${comp}")

    ENDFOREACH(comp)

    MESSAGE(STATUS "")

ENDFUNCTION(UHD_PRINT_COMPONENT_SUMMARY)