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# Copyright 2011,2012 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.


########################################################################
# Project setup
########################################################################
cmake_minimum_required(VERSION 2.6)
project(gr-gsm CXX C)
enable_testing()

#set(CMAKE_BUILD_TYPE "Debug")
#select the release build type by default to get optimization flags
if(NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE "Release")
   message(STATUS "Build type not specified: defaulting to release.")
endif(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE STRING "")

list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/Modules)

########################################################################
# Set cmake policies.
########################################################################
# This will suppress developer warnings during the cmake process that can occur
# if a newer cmake version than the minimum is used.

if(POLICY CMP0026)
    cmake_policy(SET CMP0026 OLD)
endif()
if(POLICY CMP0043)
    cmake_policy(SET CMP0043 OLD)
endif()
if(POLICY CMP0045)
    cmake_policy(SET CMP0045 OLD)
endif()
if(POLICY CMP0046)
    cmake_policy(SET CMP0046 OLD)
endif()

########################################################################
# Set version variables (
########################################################################

# Set the version information here
set(VERSION_INFO_MAJOR_VERSION 0)
set(VERSION_INFO_API_COMPAT    41)
set(VERSION_INFO_MINOR_VERSION 3)
set(VERSION_INFO_MAINT_VERSION 0)
include(GrVersion) #setup version info

########################################################################
# Compiler specific setup
########################################################################
if(CMAKE_COMPILER_IS_GNUCXX AND NOT WIN32)
    #http://gcc.gnu.org/wiki/Visibility
    add_definitions(-fvisibility=hidden)
endif()

########################################################################
# Find boost
########################################################################
if(UNIX AND EXISTS "/usr/lib64")
    list(APPEND BOOST_LIBRARYDIR "/usr/lib64") #fedora 64-bit fix
endif(UNIX AND EXISTS "/usr/lib64")
set(Boost_ADDITIONAL_VERSIONS
    "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"
    "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"
    "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"
    "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"
    "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"
    "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"
    "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"
)
find_package(Boost "1.35" COMPONENTS filesystem system)# thread)

if(NOT Boost_FOUND)
    message(FATAL_ERROR "Boost required to compile gr-gsm")
endif()

find_package(SWIG)

if(SWIG_FOUND)
    # Minimum SWIG version required is 1.3.31
    set(SWIG_VERSION_CHECK FALSE)
    if("${SWIG_VERSION}" VERSION_GREATER "1.3.30")
        set(SWIG_VERSION_CHECK TRUE)
    endif()
else()
    message(FATAL_ERROR "SWIG required to compile gr-gsm")
endif(SWIG_FOUND)


########################################################################
# Install directories
########################################################################
include(GrPlatform) #define LIB_SUFFIX
set(GR_RUNTIME_DIR      bin)
set(GR_LIBRARY_DIR      lib${LIB_SUFFIX})
set(GR_INCLUDE_DIR      include/grgsm)
set(GR_INCLUDE_DIR      include/grgsm/misc_utils)
set(GR_INCLUDE_DIR      include/grgsm/receiver)
set(GR_INCLUDE_DIR      include/grgsm/demapping)
set(GR_INCLUDE_DIR      include/grgsm/decoding)
set(GR_DATA_DIR         share)
set(GR_PKG_DATA_DIR     ${GR_DATA_DIR}/${CMAKE_PROJECT_NAME})
set(GR_DOC_DIR          ${GR_DATA_DIR}/doc)
set(GR_PKG_DOC_DIR      ${GR_DOC_DIR}/${CMAKE_PROJECT_NAME})
set(GR_CONF_DIR         etc)
set(GR_PKG_CONF_DIR     ${GR_CONF_DIR}/${CMAKE_PROJECT_NAME}/conf.d)
set(GR_LIBEXEC_DIR      libexec)
set(GR_PKG_LIBEXEC_DIR  ${GR_LIBEXEC_DIR}/${CMAKE_PROJECT_NAME})
set(GRC_BLOCKS_DIR      ${GR_PKG_DATA_DIR}/grc/blocks)

########################################################################
# Find gnuradio build dependencies
########################################################################
set(GR_REQUIRED_COMPONENTS RUNTIME FILTER PMT)
find_package(Gnuradio)
find_package(Volk)
find_package(CppUnit)
find_package(Doxygen)
#find_package(Libosmocore)
#find_package(Libosmocoding)
#find_package(Libosmocodec)

if(NOT GNURADIO_RUNTIME_FOUND)
    message(FATAL_ERROR "GnuRadio Runtime required to compile gr-gsm")
endif()
if(NOT VOLK_FOUND)
    message(FATAL_ERROR "Volk library required to compile gr-gsm")
endif()
#if(NOT CPPUNIT_FOUND)
#    message(FATAL_ERROR "CppUnit required to compile gr-gsm")
#endif()
#if(NOT LIBOSMOCORE_FOUND)
#    message(FATAL_ERROR "Libosmocore required to compile gr-gsm")
#endif()
#if(NOT LIBOSMOCODEC_FOUND)
#    message(FATAL_ERROR "Libosmocodec required to compile gr-gsm")
#endif()
#if(NOT LIBOSMOCODING_FOUND)
#    message(FATAL_ERROR "Libosmocoding required to compile gr-gsm")
#endif()

########################################################################
# Setup doxygen option
########################################################################
if(DOXYGEN_FOUND)
	option(ENABLE_DOXYGEN "Build docs using Doxygen" ON)
else(DOXYGEN_FOUND)
	option(ENABLE_DOXYGEN "Build docs using Doxygen" OFF)
endif(DOXYGEN_FOUND)

########################################################################
# Setup the include and linker paths
########################################################################
include_directories(
    ${CMAKE_SOURCE_DIR}/lib
    ${CMAKE_SOURCE_DIR}/include
    ${CMAKE_BINARY_DIR}/lib
    ${CMAKE_BINARY_DIR}/include
    ${Boost_INCLUDE_DIRS}
    ${CPPUNIT_INCLUDE_DIRS}
    ${GNURADIO_ALL_INCLUDE_DIRS}
#    ${LIBOSMOCORE_INCLUDE_DIR}
    ${CMAKE_SOURCE_DIR}/lib/decoding
)

link_directories(
    ${Boost_LIBRARY_DIRS}
    ${CPPUNIT_LIBRARY_DIRS}
    ${GNURADIO_ALL_LIBRARY_DIRS}
)

# Set component parameters
set(GR_GSM_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/include CACHE INTERNAL "" FORCE)
set(GR_GSM_SWIG_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/swig CACHE INTERNAL "" FORCE)

########################################################################
# On Apple only, set install name and use rpath correctly, if not already set
########################################################################
if(APPLE)
    if(NOT CMAKE_INSTALL_NAME_DIR)
        set(CMAKE_INSTALL_NAME_DIR ${CMAKE_INSTALL_PREFIX}/${GR_LIBRARY_DIR} CACHE PATH "Library Install Name Destination Directory" FORCE)
    endif(NOT CMAKE_INSTALL_NAME_DIR)
    if(NOT CMAKE_INSTALL_RPATH)
        set(cmakE_INSTALL_RPATH  ${CMAKE_INSTALL_PREFIX}/${GR_LIBRARY_DIR} CACHE PATH "Library Install RPath" FORCE)
    endif(NOT CMAKE_INSTALL_RPATH)
    if(NOT CMAKE_BUILD_WITH_INSTALL_RPATH)
        set(CMAKE_BUILD_WITH_INSTALL_RPATH ON CACHE  BOOL "Do Build Using Library Install RPath" FORCE)
    endif(NOT CMAKE_BUILD_WITH_INSTALL_RPATH)
endif(APPLE)

########################################################################
# Create uninstall target
########################################################################
configure_file(
    ${CMAKE_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in
    ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
@ONLY)

add_custom_target(uninstall
    ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
)

########################################################################
# Add subdirectories
########################################################################
add_subdirectory(include/grgsm)
add_subdirectory(lib)
add_subdirectory(swig)
add_subdirectory(python)
add_subdirectory(grc)
add_subdirectory(apps)
add_subdirectory(docs)

########################################################################
# Install cmake search helper for this library
########################################################################
install(FILES cmake/Modules/gr-gsmConfig.cmake
    DESTINATION lib${LIB_SUFFIX}/cmake/grgsm
)

########################################################################
# Print summary
########################################################################
message(STATUS "Using install prefix: ${CMAKE_INSTALL_PREFIX}")
message(STATUS "Building for version: ${VERSION} / ${LIBVER}")