cmake/modules/FindLibcap.cmake

0001 # Try to find the setcap binary and cap libraries
0002 #
0003 # This will define:
0004 #
0005 #   Libcap_FOUND           - system has the cap library and setcap binary
0006 #   Libcap_LIBRARIES       - cap libraries to link against
0007 #   SETCAP_EXECUTABLE      - path of the setcap binary
0008 # In addition, the following targets are defined:
0009 #
0010 #   Libcap::SetCapabilities
0011 #
0012
0013
0014 # SPDX-FileCopyrightText: 2014 Hrvoje Senjan <hrvoje.senjan@gmail.com>
0015 #
0016 # SPDX-License-Identifier: BSD-3-Clause
0017
0018 find_program(SETCAP_EXECUTABLE NAMES setcap DOC "The setcap executable")
0019
0020 find_library(Libcap_LIBRARIES NAMES cap DOC "The cap (capabilities) library")
0021
0022 include(FindPackageHandleStandardArgs)
0023 find_package_handle_standard_args(Libcap FOUND_VAR Libcap_FOUND
0024                                       REQUIRED_VARS SETCAP_EXECUTABLE Libcap_LIBRARIES)
0025
0026 if(Libcap_FOUND AND NOT TARGET Libcap::SetCapabilities)
0027     add_executable(Libcap::SetCapabilities IMPORTED)
0028     set_target_properties(Libcap::SetCapabilities PROPERTIES
0029         IMPORTED_LOCATION "${SETCAP_EXECUTABLE}"
0030     )
0031 endif()
0032
0033 mark_as_advanced(SETCAP_EXECUTABLE Libcap_LIBRARIES)
0034
0035 include(FeatureSummary)
0036 set_package_properties(Libcap PROPERTIES
0037     URL https://sites.google.com/site/fullycapable/
0038     DESCRIPTION "Capabilities are a measure to limit the omnipotence of the superuser.")