srsRAN/CMakeLists.txt

#
# Copyright 2013-2017 Software Radio Systems Limited
#
# This file is part of srsLTE
#
# srsLTE is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of
# the License, or (at your option) any later version.
#
# srsLTE 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 Affero General Public License for more details.
#
# A copy of the GNU Affero General Public License can be found in
# the LICENSE file in the top-level directory of this distribution
# and at http://www.gnu.org/licenses/.
#


########################################################################
# Prevent in-tree builds
########################################################################
if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
    message(FATAL_ERROR "Prevented in-tree build. This is bad practice.")
endif(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})


########################################################################
# Project setup
########################################################################
cmake_minimum_required(VERSION 2.6)
project( SRSLTE )
message( STATUS "CMAKE_SYSTEM: " ${CMAKE_SYSTEM} )
message( STATUS "CMAKE_SYSTEM_PROCESSOR: " ${CMAKE_SYSTEM_PROCESSOR} )
message( STATUS "CMAKE_CXX_COMPILER: " ${CMAKE_CXX_COMPILER} )

list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/modules")
include(SRSLTEVersion) #sets version information
include(SRSLTEPackage) #setup cpack

include(CTest)
set(CTEST_MEMORYCHECK_COMMAND valgrind)
configure_file(
    "${CMAKE_CURRENT_SOURCE_DIR}/CTestCustom.cmake.in"
    "${CMAKE_CURRENT_BINARY_DIR}/CTestCustom.cmake"
    IMMEDIATE @ONLY)

########################################################################
# Options
########################################################################
option(STATIC_MKL      "Statically link MKL libraries"   OFF)
option(DISABLE_BLADERF "Disable BladeRF"                 OFF)
option(RPATH           "Enable RPATH"                    OFF)
option(ENABLE_GUI      "Enable GUI"                      ON)

set(GCC_ARCH native CACHE STRING "GCC compile for specific architecture.")


########################################################################
# Find dependencies
########################################################################
find_package(Threads REQUIRED)

find_package(Polarssl)

if (POLARSSL_FOUND)
  set(POLAR_INCLUDE_DIRS "${POLARSSL_INCLUDE_DIRS}")
  set(POLAR_LIBRARIES    "${POLARSSL_LIBRARIES}")
  add_definitions(-DHAVE_POLARSSL)
else(POLARSSL_FOUND)
  find_package(MbedTLS)
  if (MBEDTLS_FOUND)
    set(POLAR_INCLUDE_DIRS "${MBEDTLS_INCLUDE_DIRS}")
    set(POLAR_LIBRARIES    "${MBEDTLS_LIBRARIES}")
    add_definitions(-DHAVE_MBEDTLS)
  else(MBEDTLS_FOUND)
    message(FATAL_ERROR "Either polarssl or mbedtls is required to compile srsUE")
  endif (MBEDTLS_FOUND)
endif(POLARSSL_FOUND)

find_package(MKL)
if(MKL_FOUND)
  include_directories(${MKL_INCLUDE_DIRS})
  link_directories(${MKL_LIBRARY_DIRS})
else(MKL_FOUND)
  find_package(FFTW3F REQUIRED)
  if(FFTW3F_FOUND)
    include_directories(${FFTW3F_INCLUDE_DIRS})
    link_directories(${FFTW3F_LIBRARY_DIRS})
  endif(FFTW3F_FOUND)
endif(MKL_FOUND)

find_package(UHD)
if(UHD_FOUND)
  include_directories(${UHD_INCLUDE_DIRS})
  link_directories(${UHD_LIBRARY_DIRS})
endif(UHD_FOUND)

if(NOT DISABLE_BLADERF)
  find_package(bladeRF)
  if(BLADERF_FOUND)
    include_directories(${BLADERF_INCLUDE_DIRS})
    link_directories(${BLADERF_LIBRARY_DIRS})
  endif(BLADERF_FOUND)
endif(NOT DISABLE_BLADERF)

find_package(SoapySDR)
if(SOAPYSDR_FOUND)
  include_directories(${SOAPYSDR_INCLUDE_DIRS})
  link_directories(${SOAPYSDR_LIBRARY_DIRS})
endif(SOAPYSDR_FOUND)

find_package(LimeSDR)
if(LIMESDR_FOUND)
  include_directories(${LIMESDR_INCLUDE_DIRS})
  link_directories(${LIMESDR_LIBRARY_DIRS})
endif(LIMESDR_FOUND)

if(BLADERF_FOUND OR UHD_FOUND OR SOAPYSDR_FOUND OR LIMESDR_FOUND)
  set(RF_FOUND TRUE CACHE INTERNAL "RF frontend found")
else(BLADERF_FOUND OR UHD_FOUND OR SOAPYSDR_FOUND OR LIMESDR_FOUND)
  set(RF_FOUND FALSE CACHE INTERNAL "RF frontend found")
  add_definitions(-DDISABLE_RF)
endif(BLADERF_FOUND OR UHD_FOUND OR SOAPYSDR_FOUND OR LIMESDR_FOUND)

include(CheckFunctionExistsMath)
if(${DISABLE_VOLK})
  if(${DISABLE_VOLK} EQUAL 0)
    find_package(Volk)
  else(${DISABLE_VOLK} EQUAL 0)
    message(STATUS "VOLK library disabled (DISABLE_VOLK=1)")
  endif(${DISABLE_VOLK} EQUAL 0)
else(${DISABLE_VOLK})
  find_package(Volk)
endif(${DISABLE_VOLK})


if(ENABLE_GUI)
  find_package(SRSGUI)
  if(SRSGUI_FOUND)
    add_definitions(-DENABLE_GUI)
    include_directories(${SRSGUI_INCLUDE_DIRS})
    link_directories(${SRSGUI_LIBRARY_DIRS})
  endif(SRSGUI_FOUND)
endif(ENABLE_GUI)

########################################################################
# Find boost
########################################################################
set(BOOST_REQUIRED_COMPONENTS
    program_options
    system
)
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 ${BOOST_REQUIRED_COMPONENTS})


if(VOLK_FOUND)
  include_directories(${VOLK_INCLUDE_DIRS})
  link_directories(${VOLK_LIBRARY_DIRS})
  message(STATUS "   Compiling with VOLK SIMD library.")
else(VOLK_FOUND)
  message(STATUS "   VOLK SIMD library NOT found. Using generic implementation.")
endif(VOLK_FOUND)


########################################################################
# Install Dirs
########################################################################
if (NOT CMAKE_INSTALL_LIBDIR)
    include(GNUInstallDirs)
endif (NOT CMAKE_INSTALL_LIBDIR)

# Fall back to just "lib" if the item provided by GNUInstallDirs doesn't exist
if (NOT EXISTS "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
    message(STATUS "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR} does not exist. Defaulting install location to ${CMAKE_INSTALL_PREFIX}/lib.")
    set(CMAKE_INSTALL_LIBDIR lib)
endif()

set(RUNTIME_DIR bin)
set(LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR})
set(INCLUDE_DIR include)
set(DOC_DIR "share/doc/${CPACK_PACKAGE_NAME}")
set(DATA_DIR share/${CPACK_PACKAGE_NAME})


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 "")

########################################################################
# Install headers
########################################################################
INSTALL(DIRECTORY include/
        DESTINATION "${INCLUDE_DIR}"
        FILES_MATCHING PATTERN "*.h"
)

########################################################################
# Compiler specific setup
########################################################################
macro(ADD_CXX_COMPILER_FLAG_IF_AVAILABLE flag have)
    include(CheckCXXCompilerFlag)
    check_cxx_compiler_flag(${flag} ${have})
    if(${have})
        add_definitions(${flag})        
    endif(${have})
endmacro(ADD_CXX_COMPILER_FLAG_IF_AVAILABLE)

if(CMAKE_COMPILER_IS_GNUCXX)
    #Any additional flags for CXX
endif(CMAKE_COMPILER_IS_GNUCXX)


if(CMAKE_COMPILER_IS_GNUCC)
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-comment -Wno-write-strings -Wno-format-extra-args -Winline -Wno-unused-result -Wno-format -std=c99 -D_GNU_SOURCE -g")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-comment -Wno-reorder -Wno-unused-but-set-variable -Wno-unused-variable")

  if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
    find_package(SSE)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 -DDEBUG_MODE")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O0 -std=c++03")
    if(HAVE_AVX)
      set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -mavx -DLV_HAVE_AVX -DLV_HAVE_SSE")      
    elseif(HAVE_SSE)
      set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -msse4.1 -DLV_HAVE_SSE")
    endif(HAVE_AVX)
  else(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -std=c++03")
    find_package(SSE)
    if (HAVE_AVX2)
      set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -mavx2 -Ofast -funroll-loops -DLV_HAVE_AVX -DLV_HAVE_SSE")
      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -mfpmath=sse -mavx2 -DLV_HAVE_AVX -DLV_HAVE_SSE")
    else (HAVE_AVX2)
      if(HAVE_AVX)
        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -mavx -Ofast -funroll-loops -DLV_HAVE_AVX -DLV_HAVE_SSE")
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -mfpmath=sse -mavx -DLV_HAVE_AVX -DLV_HAVE_SSE")
      elseif(HAVE_SSE)
        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -msse4.1 -Ofast -funroll-loops -DLV_HAVE_SSE")
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -mfpmath=sse -msse4.1 -DLV_HAVE_SSE")
      endif(HAVE_AVX)
    endif (HAVE_AVX2)
    
  endif(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
  
  if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm")
    set(CMAKE_C_FLAGS  "${CMAKE_C_FLAGS} -mfpu=neon -march=native -DIS_ARM -DHAVE_NEON")
    message(STATUS "have ARM")
  endif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm")
  set(CMAKE_REQUIRED_FLAGS ${CMAKE_C_FLAGS})

  if(NOT WIN32)
      ADD_CXX_COMPILER_FLAG_IF_AVAILABLE(-fvisibility=hidden HAVE_VISIBILITY_HIDDEN)
  endif(NOT WIN32)
endif(CMAKE_COMPILER_IS_GNUCC)

if(MSVC)
    include_directories(${PROJECT_SOURCE_DIR}/msvc) #missing headers
    add_definitions(-D_WIN32_WINNT=0x0501) #minimum version required is windows xp
    add_definitions(-DNOMINMAX) #disables stupidity and enables std::min and std::max
    add_definitions( #stop all kinds of compatibility warnings
        -D_SCL_SECURE_NO_WARNINGS
        -D_CRT_SECURE_NO_WARNINGS
        -D_CRT_SECURE_NO_DEPRECATE
        -D_CRT_NONSTDC_NO_DEPRECATE
    )
    add_definitions(/MP) #build with multiple processors
endif(MSVC)

if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
   # The following is needed for weak linking to work under OS X
   set(CMAKE_SHARED_LINKER_FLAGS "-undefined dynamic_lookup")
endif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")

########################################################################
# Create uninstall targets
########################################################################
configure_file(
    "${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in"
    "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
    IMMEDIATE @ONLY)

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

########################################################################
# Macro to add -fPIC property to static libs 
########################################################################
macro(SRSLTE_SET_PIC)
    set_target_properties(${ARGV} PROPERTIES COMPILE_FLAGS -fPIC)
endmacro(SRSLTE_SET_PIC)

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

########################################################################
# Add general includes and dependencies
########################################################################
include_directories(${PROJECT_BINARY_DIR}/lib/include)
include_directories(${PROJECT_SOURCE_DIR}/lib/include)

########################################################################
# Add headers to cmake project (useful for IDEs)
########################################################################
set(HEADERS_ALL "")
file(GLOB headers *)
foreach(_header ${headers})
    if(IS_DIRECTORY ${_header})
        file(GLOB_RECURSE tmp "${_header}/*.h")
        list(APPEND HEADERS_ALL ${tmp})
    endif(IS_DIRECTORY ${_header})
endforeach()
add_custom_target(add_srslte_headers SOURCES ${HEADERS_ALL})

########################################################################
# Add the subdirectories
########################################################################
add_subdirectory(lib)
if(NOT DISABLE_SRSUE)
  if(RF_FOUND)
    message(STATUS "Building with srsUE")
    add_subdirectory(srsue)
  else(RF_FOUND)
    message(STATUS "Building without srsUE due to missing RF driver")
  endif(RF_FOUND)
else(NOT DISABLE_SRSUE)
  message(STATUS "Building without srsUE")
endif(NOT DISABLE_SRSUE)

if(NOT DISABLE_SRSENB)
  if(RF_FOUND)
    message(STATUS "Building with srsENB")
    add_subdirectory(srsenb)
  else(RF_FOUND)
    message(STATUS "Building without srsENB due to missing RF driver")
  endif(RF_FOUND)
else(NOT DISABLE_SRSENB)
  message(STATUS "Building without srsENB")
endif(NOT DISABLE_SRSENB)