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0e985346b1
On FreeBSD, one must actually link against libpcap (or give the path to a shared object at link time). That is, it is not a header-only library on that platform. Account for this by adding a new boolean variable in `platform-quirks.cmake`: `NEED_PCAP_LIBRARY`, which defaults to false. Condition pcap library discovery and link argument modifications on that variable in `FindPCAP.cmake` and `dep-link.cmake`.
89 lines
2.2 KiB
CMake
89 lines
2.2 KiB
CMake
# Locate the PCAP library
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#
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# This module defines:
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#
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# ::
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#
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# PCAP_LIBRARIES, the name of the library to link against
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# PCAP_INCLUDE_DIRS, where to find the headers
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# PCAP_FOUND, if false, do not try to link against
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# PCAP_VERSION_STRING - human-readable string containing the version of SDL_ttf
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#
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# Tweaks:
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# 1. PCAP_PATH: A list of directories in which to search
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# 2. PCAP_DIR: An environment variable to the directory where you've unpacked or installed PCAP.
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#
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# "scooter me fecit"
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find_path(PCAP_INCLUDE_DIR
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NAMES
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pcap.h
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HINTS
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ENV PCAP_DIR
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PATHS
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pcap
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PCAP
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${PCAP_PATH}
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)
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# if (CMAKE_SIZEOF_VOID_P EQUAL 8)
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# set(LIB_PATH_SUFFIXES lib64 x64 amd64 x86_64-linux-gnu aarch64-linux-gnu lib)
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# else ()
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# set(LIB_PATH_SUFFIXES x86)
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# endif ()
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if (NEED_PCAP_LIBRARY)
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find_library(PCAP_LIBRARY
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NAMES
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pcap pcap_static libpcap libpcap_static
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HINTS
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ENV PCAP_DIR
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PATH_SUFFIXES
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${LIB_PATH_SUFFIXES}
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PATHS
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${PCAP_PATH}
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)
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message(STATUS "LIB_PATH_SUFFIXES ${LIB_PATH_SUFFIXES}")
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message(STATUS "PCAP_LIBRARY is ${PCAP_LIBRARY}")
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endif()
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# if (WIN32 AND PCAP_LIBRARY)
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# ## Only worry about the packet library on Windows.
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# find_library(PACKET_LIBRARY
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# NAMES
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# packet Packet
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# HINTS
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# ENV PCAP_DIR
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# PATH_SUFFIXES
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# ${LIB_PATH_SUFFIXES}
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# PATHS
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# ${PCAP_PATH}
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# )
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# else (WIN32 AND PCAP_LIBRARY)
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# set(PACKET_LIBRARY)
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# endif (WIN32 AND PCAP_LIBRARY)
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# ## message(STATUS "PACKET_LIBRARY is ${PACKET_LIBRARY}")
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if (NEED_PCAP_LIBRARY)
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set(PCAP_LIBRARIES ${PCAP_LIBRARY} ${PACKET_LIBRARY})
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endif()
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set(PCAP_INCLUDE_DIRS ${PCAP_INCLUDE_DIR})
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unset(PCAP_LIBRARY)
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unset(PCAP_INCLUDE_DIR)
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include(FindPackageHandleStandardArgs)
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if (NEED_PCAP_LIBRARY)
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find_package_handle_standard_args(
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PCAP
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REQUIRED_VARS
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PCAP_LIBRARIES
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PCAP_INCLUDE_DIRS
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)
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else()
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find_package_handle_standard_args(
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PCAP
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REQUIRED_VARS
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PCAP_INCLUDE_DIRS
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)
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endif()
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