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# Copyright 2010-2011 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.

IF(DEFINED __INCLUDED_GR_SWIG_CMAKE)
    RETURN()
ENDIF()
SET(__INCLUDED_GR_SWIG_CMAKE TRUE)

########################################################################
# Build a swig target for the common gnuradio use case. Usage:
# GR_SWIG_MAKE(target ifile ifile ifile...)
#
# Set the following variables before calling:
#   - GR_SWIG_FLAGS
#   - GR_SWIG_INCLUDE_DIRS
#   - GR_SWIG_LIBRARIES
#   - GR_SWIG_SOURCE_DEPS
#   - GR_SWIG_TARGET_DEPS
########################################################################
MACRO(GR_SWIG_MAKE name)
    SET(ifiles ${ARGN})

    INCLUDE_DIRECTORIES(${GR_SWIG_INCLUDE_DIRS})
    SET(SWIG_MODULE_${name}_EXTRA_DEPS ${GR_SWIG_SOURCE_DEPS})

    FIND_PACKAGE(PythonLibs)
    INCLUDE_DIRECTORIES(${PYTHON_INCLUDE_DIRS})

    #setup the swig flags with flags and include directories
    SET(CMAKE_SWIG_FLAGS -fvirtual -modern -keyword -w511 -module ${name} ${GR_SWIG_FLAGS})
    FOREACH(dir ${GR_SWIG_INCLUDE_DIRS})
        LIST(APPEND CMAKE_SWIG_FLAGS "-I${dir}")
    ENDFOREACH(dir)

    #set the C++ property on the swig .i file so it builds
    SET_SOURCE_FILES_PROPERTIES(${ifiles} PROPERTIES CPLUSPLUS ON)

    #setup the actual swig library target to be built
    INCLUDE(UseSWIG)
    SWIG_ADD_MODULE(${name} python ${ifiles})
    SWIG_LINK_LIBRARIES(${name} ${PYTHON_LIBRARIES} ${GR_SWIG_LIBRARIES})
    IF(GR_SWIG_TARGET_DEPS)
        ADD_DEPENDENCIES(${SWIG_MODULE_${name}_REAL_NAME} ${GR_SWIG_TARGET_DEPS})
    ENDIF(GR_SWIG_TARGET_DEPS)

ENDMACRO(GR_SWIG_MAKE)

########################################################################
# Install swig targets generated by GR_SWIG_MAKE. Usage:
# GR_SWIG_INSTALL(
#   TARGETS target target target...
#   [DESTINATION destination]
#   [COMPONENT component]
# )
########################################################################
MACRO(GR_SWIG_INSTALL)

    INCLUDE(CMakeParseArgumentsCopy)
    CMAKE_PARSE_ARGUMENTS(GR_SWIG_INSTALL "" "DESTINATION;COMPONENT" "TARGETS" ${ARGN})

    FOREACH(name ${GR_SWIG_INSTALL_TARGETS})
        INSTALL(TARGETS ${SWIG_MODULE_${name}_REAL_NAME}
            DESTINATION ${GR_SWIG_INSTALL_DESTINATION}
            COMPONENT ${GR_SWIG_INSTALL_COMPONENT}
        )

        INCLUDE(GrPython)
        GR_PYTHON_INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${name}.py
            DESTINATION ${GR_SWIG_INSTALL_DESTINATION}
            COMPONENT ${GR_SWIG_INSTALL_COMPONENT}
        )
    ENDFOREACH(name)

ENDMACRO(GR_SWIG_INSTALL)