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#
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# Copyright 2012-2013 The libLTE Developers. See the
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# COPYRIGHT file at the top-level directory of this distribution.
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#
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# This file is part of the libLTE library.
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#
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# libLTE is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as
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# published by the Free Software Foundation, either version 3 of
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# the License, or (at your option) any later version.
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#
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# libLTE 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 Lesser General Public License for more details.
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#
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# A copy of the GNU Lesser General Public License can be found in
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# the LICENSE file in the top-level directory of this distribution
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# and at http://www.gnu.org/licenses/.
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#
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########################################################################
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# Find Dependencies
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########################################################################
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include(CheckFunctionExistsMath)
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FIND_PACKAGE(FFTW3F REQUIRED) # TODO: distribute kissfft instead
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INCLUDE_DIRECTORIES(${FFTW3F_INCLUDE_DIRS})
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IF(${DISABLE_VOLK})
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IF(${DISABLE_VOLK} EQUAL 0)
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FIND_PACKAGE(Volk)
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ELSE(${DISABLE_VOLK} EQUAL 0)
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MESSAGE(STATUS "VOLK library disabled (DISABLE_VOLK=1)")
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ENDIF(${DISABLE_VOLK} EQUAL 0)
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ELSE(${DISABLE_VOLK})
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FIND_PACKAGE(Volk)
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ENDIF(${DISABLE_VOLK})
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########################################################################
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# Recurse subdirectories and compile all source files into the same lib
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########################################################################
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FILE(GLOB modules *)
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SET(SOURCES_ALL "")
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FOREACH (_module ${modules})
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IF(IS_DIRECTORY ${_module})
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FILE(GLOB_RECURSE tmp "${_module}/src/*.c")
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LIST(APPEND SOURCES_ALL ${tmp})
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ENDIF(IS_DIRECTORY ${_module})
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ENDFOREACH()
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ADD_LIBRARY(lte SHARED ${SOURCES_ALL})
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TARGET_LINK_LIBRARIES(lte m ${FFTW3F_LIBRARIES})
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INSTALL(TARGETS lte DESTINATION ${LIBRARY_DIR})
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LIBLTE_SET_PIC(lte)
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IF(VOLK_FOUND)
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INCLUDE_DIRECTORIES(${VOLK_INCLUDE_DIRS})
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SET_TARGET_PROPERTIES(lte PROPERTIES COMPILE_DEFINITIONS "${VOLK_DEFINITIONS}")
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TARGET_LINK_LIBRARIES(lte ${VOLK_LIBRARIES})
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MESSAGE(STATUS " Compiling with VOLK SIMD library.")
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ELSE(VOLK_FOUND)
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MESSAGE(STATUS " VOLK SIMD library NOT found. Using generic implementation.")
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ENDIF(VOLK_FOUND)
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########################################################################
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# Recurse subdirectories and find all directories with a CMakeLists.txt file in it
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########################################################################
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FILE(GLOB_RECURSE cmakefiles CMakeLists.txt)
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FOREACH (_file ${cmakefiles})
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GET_FILENAME_COMPONENT(dir ${_file} PATH)
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IF (NOT ${dir} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
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ADD_SUBDIRECTORY(${dir})
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ENDIF ()
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ENDFOREACH()
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