# Copyright 2012-2020 Osmocom Project # # This file is part of rtl-sdr # # This program 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 2 of the License, or # (at your option) any later version. # # This program 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 this program. If not, see . ######################################################################## # Project setup ######################################################################## cmake_minimum_required(VERSION 3.7.2) project(rtlsdr C) #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) list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/Modules) include(GNUInstallDirs) include(GenerateExportHeader) include(CMakePackageConfigHelpers) # Set the version information here set(VERSION_INFO_MAJOR_VERSION 0) # increment major on api compatibility changes set(VERSION_INFO_MINOR_VERSION 6) # increment minor on feature-level changes set(VERSION_INFO_PATCH_VERSION git) # increment patch for bug fixes and docs include(Version) # setup version info ######################################################################## # Compiler specific setup ######################################################################## if(CMAKE_COMPILER_IS_GNUCC AND NOT WIN32) ADD_DEFINITIONS(-Wall) ADD_DEFINITIONS(-Wextra) ADD_DEFINITIONS(-Wno-unused-parameter) ADD_DEFINITIONS(-Wno-unused) ADD_DEFINITIONS(-Wsign-compare) ADD_DEFINITIONS(-Wdeclaration-after-statement) #http://gcc.gnu.org/wiki/Visibility add_definitions(-fvisibility=hidden) elseif(MSVC14 OR MSVC14) #pthread-w32 issue, timespec is now part of time.h ADD_DEFINITIONS(-D_TIMESPEC_DEFINED) endif() ######################################################################## # Find build dependencies ######################################################################## if(WIN32 AND NOT MINGW) set(THREADS_USE_PTHREADS_WIN32 true) endif() find_package(Threads) find_package(PkgConfig) pkg_check_modules(LIBUSB libusb-1.0 IMPORTED_TARGET) if(NOT LIBUSB_FOUND) message(FATAL_ERROR "LibUSB 1.0 required to compile rtl-sdr") endif() if(NOT THREADS_FOUND) message(FATAL_ERROR "pthreads(-win32) required to compile rtl-sdr") endif() ######################################################################## # Create uninstall target ######################################################################## configure_file( ${PROJECT_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 ) ######################################################################## # Install udev rules ######################################################################## option(INSTALL_UDEV_RULES "Install udev rules for RTL-SDR" OFF) if (INSTALL_UDEV_RULES) install ( FILES rtl-sdr.rules DESTINATION "/etc/udev/rules.d" COMPONENT "udev" ) else (INSTALL_UDEV_RULES) message (STATUS "Udev rules not being installed, install them with -DINSTALL_UDEV_RULES=ON") endif (INSTALL_UDEV_RULES) option(DETACH_KERNEL_DRIVER "Detach kernel driver if loaded" OFF) if (DETACH_KERNEL_DRIVER) message (STATUS "Building with kernel driver detaching enabled") add_definitions(-DDETACH_KERNEL_DRIVER=1) else (DETACH_KERNEL_DRIVER) message (STATUS "Building with kernel driver detaching disabled, use -DDETACH_KERNEL_DRIVER=ON to enable") endif (DETACH_KERNEL_DRIVER) option(ENABLE_ZEROCOPY "Enable usbfs zero-copy support" OFF) if (ENABLE_ZEROCOPY) message (STATUS "Building with usbfs zero-copy support enabled") add_definitions(-DENABLE_ZEROCOPY=1) else (ENABLE_ZEROCOPY) message (STATUS "Building with usbfs zero-copy support disabled, use -DENABLE_ZEROCOPY=ON to enable") endif (ENABLE_ZEROCOPY) ######################################################################## # Install public header files ######################################################################## install(FILES include/rtl-sdr.h include/rtl-sdr_export.h DESTINATION include ) ######################################################################## # Add subdirectories ######################################################################## add_subdirectory(src) ######################################################################## # Create Pkg Config File ######################################################################## FOREACH(inc ${LIBUSB_INCLUDE_DIR}) LIST(APPEND RTLSDR_PC_CFLAGS "-I${inc}") ENDFOREACH(inc) FOREACH(lib ${LIBUSB_LIBRARY_DIRS}) LIST(APPEND RTLSDR_PC_LIBS "-L${lib}") ENDFOREACH(lib) # use space-separation format for the pc file STRING(REPLACE ";" " " RTLSDR_PC_CFLAGS "${RTLSDR_PC_CFLAGS}") STRING(REPLACE ";" " " RTLSDR_PC_LIBS "${RTLSDR_PC_LIBS}") # unset these vars to avoid hard-coded paths to cross environment IF(CMAKE_CROSSCOMPILING) UNSET(RTLSDR_PC_CFLAGS) UNSET(RTLSDR_PC_LIBS) ENDIF(CMAKE_CROSSCOMPILING) CONFIGURE_FILE( ${CMAKE_CURRENT_SOURCE_DIR}/librtlsdr.pc.in ${CMAKE_CURRENT_BINARY_DIR}/librtlsdr.pc @ONLY) INSTALL( FILES ${CMAKE_CURRENT_BINARY_DIR}/librtlsdr.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig ) ######################################################################## # Create CMake Config File ######################################################################## write_basic_package_version_file( "${CMAKE_CURRENT_BINARY_DIR}/rtlsdr/rtlsdrConfigVersion.cmake" VERSION ${VERSION} COMPATIBILITY AnyNewerVersion ) configure_file(cmake/rtlsdrConfig.cmake "${CMAKE_CURRENT_BINARY_DIR}/rtlsdr/rtlsdrConfig.cmake" COPYONLY ) set(ConfigPackageLocation lib/cmake/rtlsdr) install(EXPORT RTLSDR-export FILE rtlsdrTargets.cmake NAMESPACE rtlsdr:: DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/rtlsdr/ ) install( FILES cmake/rtlsdrConfig.cmake "${CMAKE_CURRENT_BINARY_DIR}/rtlsdr/rtlsdrConfigVersion.cmake" DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/rtlsdr/ COMPONENT Devel ) ######################################################################## # Print Summary ######################################################################## MESSAGE(STATUS "Building for version: ${VERSION} / ${LIBVER}") MESSAGE(STATUS "Using install prefix: ${CMAKE_INSTALL_PREFIX}")