odin-detector/odin-data

# Usage of this module as follows:
#
#     find_package(PCAP)
#
# Variables used by this module, they can change the default behaviour and need
# to be set before calling find_package:
#
#  PCAP_ROOT_DIR             Set this variable to the root installation of
#                            libpcap if the module has problems finding the
#                            proper installation path.
#
# Variables defined by this module:
#
#  PCAP_FOUND                System has libpcap, include and library dirs found
#  PCAP_INCLUDE_DIR          The libpcap include directories.
#  PCAP_LIBRARY              The libpcap library

message ("\nLooking for pcap headers and libraries")

find_path(PCAP_ROOT_DIR
    NAMES include/pcap.h
)

find_path(PCAP_INCLUDE_DIR
    NAMES pcap.h
    HINTS ${PCAP_ROOT_DIR}/include
)

find_library(PCAP_LIBRARY
    NAMES pcap
    HINTS ${PCAP_ROOT_DIR}/lib
)

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(PCAP DEFAULT_MSG
    PCAP_LIBRARY
    PCAP_INCLUDE_DIR
)

include(CheckCSourceCompiles)
set(CMAKE_REQUIRED_LIBRARIES ${PCAP_LIBRARY})
check_c_source_compiles("int main() { return 0; }" PCAP_LINKS)
set(CMAKE_REQUIRED_LIBRARIES)

mark_as_advanced(
    PCAP_ROOT_DIR
    PCAP_INCLUDE_DIR
    PCAP_LIBRARY
)