mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-10-31 23:26:22 +00:00
183 lines
5.2 KiB
CMake
183 lines
5.2 KiB
CMake
# GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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# This file is part of GNSS-SDR.
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#
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# SPDX-FileCopyrightText: 2006 Frederic Heem, <frederic.heem@telsey.it>
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# SPDX-License-Identifier: BSD-3-Clause
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# - Find pcap
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# Find the PCAP includes and library
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# http://www.tcpdump.org/
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#
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# The environment variable PCAPDIR allows to specify where to find
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# libpcap in non standard location.
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#
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# PCAP_INCLUDE_DIRS - where to find pcap.h, etc.
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# PCAP_LIBRARIES - List of libraries when using pcap.
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# PCAP_FOUND - True if pcap found.
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#
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# Provides the following imported target:
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# Pcap::pcap
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#
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if(NOT COMMAND feature_summary)
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include(FeatureSummary)
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endif()
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if(NOT PKG_CONFIG_FOUND)
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include(FindPkgConfig)
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endif()
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pkg_check_modules(PC_PCAP libpcap QUIET)
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if(NOT PCAP_ROOT)
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set(PCAP_ROOT_USER_PROVIDED /usr)
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else()
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set(PCAP_ROOT_USER_PROVIDED ${PCAP_ROOT})
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endif()
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if(DEFINED ENV{PCAP_ROOT})
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set(PCAP_ROOT_USER_PROVIDED
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${PCAP_ROOT_USER_PROVIDED}
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$ENV{PCAP_ROOT}
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)
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endif()
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if(DEFINED ENV{PCAPDIR})
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set(PCAP_ROOT_USER_PROVIDED
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${PCAP_ROOT_USER_PROVIDED}
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$ENV{PCAPDIR})
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endif()
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if(DEFINED ENV{PCAPDIR})
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find_path(PCAP_INCLUDE_DIR
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NAMES
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pcap/pcap.h
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pcap.h
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HINTS
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${PC_PCAP_INCLUDEDIR}
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PATHS
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${PCAP_ROOT_USER_PROVIDED}
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${PCAP_ROOT_USER_PROVIDED}/include
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NO_DEFAULT_PATH
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)
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find_library(PCAP_LIBRARY
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NAMES
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pcap
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HINTS
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${PC_PCAP_LIBDIR}
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PATHS
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${PCAP_ROOT_USER_PROVIDED}
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${PCAP_ROOT_USER_PROVIDED}/lib
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NO_DEFAULT_PATH
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)
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else()
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find_path(PCAP_INCLUDE_DIR
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NAMES
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pcap/pcap.h
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pcap.h
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HINTS
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${PC_PCAP_INCLUDEDIR}
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PATHS
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${PCAP_ROOT_USER_PROVIDED}/include
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/usr/include
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/usr/local/include
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/opt/local/include
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)
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find_library(PCAP_LIBRARY
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NAMES
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pcap
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HINTS
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${PC_PCAP_LIBDIR}
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PATHS
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${PCAP_ROOT_USER_PROVIDED}/lib
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/usr/lib
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/usr/lib64
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/usr/lib/alpha-linux-gnu
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/usr/lib/x86_64-linux-gnu
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/usr/lib/aarch64-linux-gnu
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/usr/lib/arm-linux-gnueabi
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/usr/lib/arm-linux-gnueabihf
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/usr/lib/hppa-linux-gnu
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/usr/lib/i386-linux-gnu
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/usr/lib/m68k-linux-gnu
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/usr/lib/mips-linux-gnu
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/usr/lib/mips64el-linux-gnuabi64
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/usr/lib/mipsel-linux-gnu
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/usr/lib/powerpc-linux-gnuspe
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/usr/lib/powerpc64-linux-gnu
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/usr/lib/powerpc64le-linux-gnu
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/usr/lib/riscv64-linux-gnu
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/usr/lib/s390x-linux-gnu
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/usr/lib/sh4-linux-gnu
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/usr/lib/sparc64-linux-gnu
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/usr/lib/x86_64-linux-gnux32
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/usr/lib/x86_64-kfreebsd-gnu
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/usr/lib/i386-kfreebsd-gnu
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/usr/local/lib
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/usr/local/lib64
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/opt/local/lib
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)
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endif()
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set(PCAP_INCLUDE_DIRS ${PCAP_INCLUDE_DIR})
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set(PCAP_LIBRARIES ${PCAP_LIBRARY})
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if(PCAP_INCLUDE_DIRS)
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message(STATUS "Pcap include dirs set to ${PCAP_INCLUDE_DIRS}")
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else()
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message(STATUS "Pcap include dirs cannot be found.")
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endif()
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if(PCAP_LIBRARIES)
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message(STATUS "Pcap library set to ${PCAP_LIBRARIES}")
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else()
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message(STATUS "Pcap library cannot be found.")
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endif()
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#Functions
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include(CheckFunctionExists)
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set(CMAKE_REQUIRED_INCLUDES ${PCAP_INCLUDE_DIRS})
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set(CMAKE_REQUIRED_LIBRARIES ${PCAP_LIBRARIES})
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check_function_exists("pcap_breakloop" HAVE_PCAP_BREAKLOOP)
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check_function_exists("pcap_datalink_name_to_val" HAVE_PCAP_DATALINK_NAME_TO_VAL)
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check_function_exists("pcap_datalink_val_to_name" HAVE_PCAP_DATALINK_VAL_TO_NAME)
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check_function_exists("pcap_findalldevs" HAVE_PCAP_FINDALLDEVS)
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check_function_exists("pcap_freecode" HAVE_PCAP_FREECODE)
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check_function_exists("pcap_get_selectable_fd" HAVE_PCAP_GET_SELECTABLE_FD)
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check_function_exists("pcap_lib_version" HAVE_PCAP_LIB_VERSION)
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check_function_exists("pcap_list_datalinks" HAVE_PCAP_LIST_DATALINKS)
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check_function_exists("pcap_open_dead" HAVE_PCAP_OPEN_DEAD)
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check_function_exists("pcap_set_datalink" HAVE_PCAP_SET_DATALINK)
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(PCAP DEFAULT_MSG PCAP_INCLUDE_DIRS PCAP_LIBRARIES)
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if(PCAP_FOUND AND PC_PCAP_VERSION)
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set(PCAP_VERSION ${PC_PCAP_VERSION})
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endif()
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set_package_properties(PCAP PROPERTIES
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URL "https://www.tcpdump.org"
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)
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if(PCAP_FOUND AND PCAP_VERSION)
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set_package_properties(PCAP PROPERTIES
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DESCRIPTION "A portable C/C++ library for network traffic capture (found: v${PCAP_VERSION})"
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)
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else()
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set_package_properties(PCAP PROPERTIES
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DESCRIPTION "A portable C/C++ library for network traffic capture"
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)
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endif()
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if(PCAP_FOUND AND NOT TARGET Pcap::pcap)
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add_library(Pcap::pcap SHARED IMPORTED)
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set_target_properties(Pcap::pcap PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
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IMPORTED_LOCATION "${PCAP_LIBRARIES}"
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INTERFACE_INCLUDE_DIRECTORIES "${PCAP_INCLUDE_DIRS}"
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INTERFACE_LINK_LIBRARIES "${PCAP_LIBRARIES}"
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)
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endif()
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mark_as_advanced(PCAP_LIBRARIES PCAP_INCLUDE_DIRS)
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