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# 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 <http://www.gnu.org/licenses/>.
########################################################################
# Project setup
########################################################################
cmake_minimum_required(VERSION 3.7.2)
# workaround for https://gitlab.kitware.com/cmake/cmake/issues/16967
if(${CMAKE_VERSION} VERSION_LESS "3.12.0")
project(rtlsdr)
else()
project(rtlsdr C)
endif()
#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 ${PROJECT_SOURCE_DIR}/cmake/Modules)
include(GNUInstallDirs)
include(GenerateExportHeader)
include(CMakePackageConfigHelpers)
# Set the version information here
set(VERSION_INFO_MAJOR_VERSION 2) # increment major on api compatibility changes
set(VERSION_INFO_MINOR_VERSION 0) # increment minor on feature-level changes
set(VERSION_INFO_PATCH_VERSION 1) # increment patch for bug fixes and docs
include(Version) # setup version info
########################################################################
# Compiler specific setup
########################################################################
if(CMAKE_COMPILER_IS_GNUCC AND NOT WIN32)
ADD_DEFINITIONS(-Wall)
ADD_DEFINITIONS(-Wextra)
ADD_DEFINITIONS(-Wno-unused-parameter)
ADD_DEFINITIONS(-Wno-unused)
ADD_DEFINITIONS(-Wsign-compare)
ADD_DEFINITIONS(-Wdeclaration-after-statement)
#http://gcc.gnu.org/wiki/Visibility
add_definitions(-fvisibility=hidden)
elseif(MSVC14 OR MSVC14)
#pthread-w32 issue, timespec is now part of time.h
ADD_DEFINITIONS(-D_TIMESPEC_DEFINED)
endif()
########################################################################
# Find build dependencies
########################################################################
find_package(Threads)
find_package(PkgConfig)
if(PKG_CONFIG_FOUND)
pkg_check_modules(LIBUSB libusb-1.0 IMPORTED_TARGET)
if(LIBUSB_LINK_LIBRARIES)
set(LIBUSB_LIBRARIES "${LIBUSB_LINK_LIBRARIES}")
endif()
else()
set(LIBUSB_LIBRARIES "" CACHE STRING "manual libusb path")
set(LIBUSB_INCLUDE_DIRS "" CACHE STRING "manual libusb includepath")
endif()
if(MSVC)
set(THREADS_PTHREADS_LIBRARY "" CACHE STRING "manual pthread-win32 path")
set(THREADS_PTHREADS_INCLUDE_DIR "" CACHE STRING "manual pthread-win32 includepath")
else()
set(THREADS_PTHREADS_LIBRARY "" CACHE INTERNAL "manual pthread-win32 path")
set(THREADS_PTHREADS_INCLUDE_DIR "" CACHE INTERNAL "manual pthread-win32 includepath")
endif()
if(PKG_CONFIG_FOUND AND 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 ${LIBUSB_INCLUDEDIR})
LIST(APPEND RTLSDR_PC_CFLAGS "-I${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)
set(prefix "${CMAKE_INSTALL_PREFIX}")
set(exec_prefix \${prefix})
set(includedir \${prefix}/include)
set(libdir \${exec_prefix}/lib)
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}")
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