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Begin with GNU Radio sample blocks.
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CMakeLists.txt

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# Copyright 2011 Free Software Foundation, Inc.
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#
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# This file is part of GNU Radio
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#
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# GNU Radio is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GNU Radio is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Radio; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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########################################################################
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# Project setup
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########################################################################
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cmake_minimum_required(VERSION 2.6)
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project(gr-howto-write-a-block CXX C)
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enable_testing()
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#select the release build type by default to get optimization flags
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE "Release")
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message(STATUS "Build type not specified: defaulting to release.")
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endif(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE STRING "")
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list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/Modules)
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########################################################################
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# Compiler specific setup
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########################################################################
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if(CMAKE_COMPILER_IS_GNUCXX AND NOT WIN32)
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#http://gcc.gnu.org/wiki/Visibility
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add_definitions(-fvisibility=hidden)
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endif()
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########################################################################
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# Find boost
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########################################################################
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if(UNIX AND EXISTS "/usr/lib64")
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list(APPEND BOOST_LIBRARYDIR "/usr/lib64") #fedora 64-bit fix
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endif(UNIX AND EXISTS "/usr/lib64")
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set(Boost_ADDITIONAL_VERSIONS
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"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"
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"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"
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"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"
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"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"
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"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"
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"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"
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"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"
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)
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find_package(Boost "1.35")
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if(NOT Boost_FOUND)
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message(FATAL_ERROR "Boost required to compile howto")
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endif()
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########################################################################
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# Install directories
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########################################################################
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include(GrPlatform) #define LIB_SUFFIX
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set(GR_RUNTIME_DIR bin)
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set(GR_LIBRARY_DIR lib${LIB_SUFFIX})
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set(GR_INCLUDE_DIR include)
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set(GR_DATA_DIR share)
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set(GR_PKG_DATA_DIR ${GR_DATA_DIR}/${CMAKE_PROJECT_NAME})
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set(GR_DOC_DIR ${GR_DATA_DIR}/doc)
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set(GR_PKG_DOC_DIR ${GR_DOC_DIR}/${CMAKE_PROJECT_NAME})
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set(GR_CONF_DIR etc)
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set(GR_PKG_CONF_DIR ${GR_CONF_DIR}/${CMAKE_PROJECT_NAME}/conf.d)
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set(GR_LIBEXEC_DIR libexec)
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set(GR_PKG_LIBEXEC_DIR ${GR_LIBEXEC_DIR}/${CMAKE_PROJECT_NAME})
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set(GRC_BLOCKS_DIR ${GR_PKG_DATA_DIR}/grc/blocks)
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########################################################################
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# Find gnuradio build dependencies
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########################################################################
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find_package(Gruel)
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find_package(GnuradioCore)
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if(NOT GRUEL_FOUND)
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message(FATAL_ERROR "Gruel required to compile howto")
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endif()
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if(NOT GNURADIO_CORE_FOUND)
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message(FATAL_ERROR "GnuRadio Core required to compile howto")
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endif()
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########################################################################
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# Setup the include and linker paths
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########################################################################
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include_directories(
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${CMAKE_SOURCE_DIR}/include
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${Boost_INCLUDE_DIRS}
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${GRUEL_INCLUDE_DIRS}
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${GNURADIO_CORE_INCLUDE_DIRS}
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)
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link_directories(
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${Boost_LIBRARY_DIRS}
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${GRUEL_LIBRARY_DIRS}
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${GNURADIO_CORE_LIBRARY_DIRS}
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)
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# Set component parameters
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set(GR_HOWTO_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/include CACHE INTERNAL "" FORCE)
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set(GR_HOWTO_SWIG_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/swig CACHE INTERNAL "" FORCE)
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########################################################################
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# Create uninstall target
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########################################################################
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configure_file(
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${CMAKE_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in
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${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
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@ONLY)
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add_custom_target(uninstall
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${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
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)
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########################################################################
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# Add subdirectories
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########################################################################
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add_subdirectory(include)
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add_subdirectory(lib)
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add_subdirectory(swig)
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add_subdirectory(python)
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add_subdirectory(grc)
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add_subdirectory(apps)
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add_subdirectory(docs)

apps/CMakeLists.txt

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# Copyright 2011 Free Software Foundation, Inc.
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#
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# This file is part of GNU Radio
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#
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# GNU Radio is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GNU Radio is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Radio; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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include(GrPython)
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GR_PYTHON_INSTALL(
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PROGRAMS
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howto_square.py
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DESTINATION bin
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)

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