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#
# - Find libsinsp and libscap
# Find libsinsp and libscap includes and libraries.
# Adapted from FindZSTD.cmake.
#
# This module will look for libsinsp and libscap using pkg-config. If that
# fails, it will search ${SINSP_INCLUDEDIR} and ${SINSP_HINTS}/include
# for the libsinsp and libscap include directory and ${SINSP_LIBDIR} and
# ${SINSP_HINTS}/lib for the libsinsp and libscap libraries.
#
# It will set the following variables:
#
# SINSP_FOUND - True if libsinsp found.
# SINSP_INCLUDE_DIRS - Where to find sinsp.h, scap.h, etc.
# SINSP_LINK_LIBRARIES - List of libraries when using libsinsp.
# You must manually set the following variables:
# FALCO_PLUGINS - Paths to plugins built from https://github.com/falcosecurity/plugins/.
# To do:
# SINSP_DLL_DIR - (Windows) Path to the libsinsp and libscap DLLs
# SINSP_DLL - (Windows) Name of the libsinsp and libscap DLLs
include( FindWSWinLibs )
FindWSWinLibs( "libfalcosecurity-.*" SINSP_HINTS )
include(CMakeDependentOption)
if( NOT USE_REPOSITORY)
find_package(PkgConfig)
pkg_check_modules(SINSP libsinsp)
endif()
# Include both legacy (#include <sinsp.h>) and current (#include <libsinsp/sinsp.h>) paths for now.
if(NOT SINSP_FOUND)
# pkg_check_modules didn't work, so look for ourselves.
find_path(_sinsp_include_dirs NO_CACHE
NAMES libsinsp/sinsp.h
HINTS "${SINSP_INCLUDEDIR}" "${SINSP_HINTS}/include"
PATH_SUFFIXES falcosecurity/userspace
/usr/include
/usr/local/include
)
if(_sinsp_include_dirs)
list(APPEND _sinsp_include_dirs ${_sinsp_include_dirs}/libsinsp)
endif()
find_path(_scap_include_dir NO_CACHE
NAMES scap.h
HINTS "${SINSP_INCLUDEDIR}" "${SINSP_HINTS}/include"
PATH_SUFFIXES falcosecurity/userspace/libscap
/usr/include
/usr/local/include
)
if(_scap_include_dir)
list(APPEND _sinsp_include_dirs ${_scap_include_dir})
endif()
unset(_scap_include_dir)
find_library(_sinsp_link_libs NO_CACHE
NAMES sinsp
HINTS "${SINSP_LIBDIR}" "${SINSP_HINTS}/lib"
PATHS falcosecurity
/usr/lib
/usr/local/lib
)
set(_scap_libs
scap
scap_engine_nodriver
scap_engine_noop
scap_engine_savefile
scap_engine_source_plugin
scap_engine_test_input
scap_error
scap_event_schema
scap_platform_util
)
foreach(_scap_lib ${_scap_libs})
find_library(_lib NO_CACHE
NAMES ${_scap_lib}
HINTS "${SINSP_LIBDIR}" "${SINSP_HINTS}/lib"
PATHS falcosecurity
/usr/lib
/usr/local/lib
)
if (_lib)
list(APPEND _sinsp_link_libs ${_lib})
unset(_lib)
endif()
endforeach()
unset(_scap_libs)
unset(_scap_lib)
find_path(_jsoncpp_include_dir NO_CACHE
NAMES json/json.h
HINTS "${SINSP_INCLUDEDIR}" "${SINSP_HINTS}/include"
PATH_SUFFIXES falcosecurity jsoncpp
PATHS
/usr/include
/usr/local/include
)
if (_jsoncpp_include_dir)
list(APPEND _sinsp_include_dirs ${_jsoncpp_include_dir})
unset(_jsoncpp_include_dir)
endif()
find_library(_jsoncpp_lib NO_CACHE
NAMES jsoncpp
HINTS "${SINSP_LIBDIR}" "${SINSP_HINTS}/lib" "${SINSP_HINTS}/lib/falcosecurity"
PATHS
/usr/lib
/usr/local/lib
)
if (_jsoncpp_lib)
list(APPEND _sinsp_link_libs ${_jsoncpp_lib})
unset(_jsoncpp_lib)
endif()
find_library(_re2_lib NO_CACHE
NAMES re2
HINTS "${SINSP_LIBDIR}" "${SINSP_HINTS}/lib" "${SINSP_HINTS}/lib/falcosecurity"
PATHS
/usr/lib
/usr/local/lib
)
if (_re2_lib)
list(APPEND _sinsp_link_libs ${_re2_lib})
unset(_re2_lib)
endif()
find_path(_tbb_include_dir NO_CACHE
NAMES tbb/tbb.h
HINTS "${SINSP_INCLUDEDIR}" "${SINSP_HINTS}/include"
PATHS
/usr/include
/usr/local/include
)
if (_tbb_include_dir)
list(APPEND _sinsp_include_dirs ${_tbb_include_dir})
unset(_tbb_include_dir)
endif()
find_library(_tbb_lib NO_CACHE
NAMES tbb tbb12
HINTS "${SINSP_LIBDIR}" "${SINSP_HINTS}/lib" "${SINSP_HINTS}/lib/falcosecurity"
PATHS
/usr/lib
/usr/local/lib
)
if (_tbb_lib)
list(APPEND _sinsp_link_libs ${_tbb_lib})
unset(_tbb_lib)
endif()
# This is terrible, but libsinsp/libscap doesn't support dynamic linking on Windows (yet).
find_path(_zlib_include_dir NO_CACHE
NAMES zlib/zlib.h
HINTS "${SINSP_INCLUDEDIR}" "${SINSP_HINTS}/include"
PATHS
/usr/include
/usr/local/include
)
if (_zlib_include_dir)
list(APPEND _sinsp_include_dirs ${_zlib_include_dir})
unset(_zlib_include_dir)
endif()
find_library(_zlib_lib NO_CACHE
NAMES zlib
HINTS "${SINSP_LIBDIR}" "${SINSP_HINTS}/lib" "${SINSP_HINTS}/lib/falcosecurity"
PATHS
/usr/lib
/usr/local/lib
)
if (_zlib_lib)
list(APPEND _sinsp_link_libs ${_zlib_lib})
unset(_zlib_lib)
endif()
if(_sinsp_include_dirs AND _sinsp_link_libs)
list(REMOVE_DUPLICATES _sinsp_include_dirs)
set(SINSP_INCLUDE_DIRS ${_sinsp_include_dirs} CACHE PATH "Paths to libsinsp and libscap headers")
set(SINSP_LINK_LIBRARIES ${_sinsp_link_libs} CACHE PATH "Paths to libsinsp, libscap, etc.")
set(SINSP_FOUND 1)
unset(_sinsp_include_dirs)
unset(_sinsp_link_libs)
endif()
endif()
# As https://cmake.org/cmake/help/latest/command/link_directories.html
# says, "Prefer to pass full absolute paths to libraries where possible,
# since this ensures the correct library will always be linked," so use
# SINSP_LINK_LIBRARIES instead of SINSP_LIBRARIES
# XXX SINSP_VERSION will require peeking for a #define or something similar.
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Sinsp
REQUIRED_VARS
SINSP_INCLUDE_DIRS
SINSP_LINK_LIBRARIES
# VERSION_VAR SINSP_VERSION
)
if(SINSP_FOUND)
# if (WIN32)
# set ( SINSP_DLL_DIR "${SINSP_HINTS}/bin"
# CACHE PATH "Path to sinsp DLL"
# )
# file( GLOB _SINSP_dll RELATIVE "${SINSP_DLL_DIR}"
# "${SINSP_DLL_DIR}/sinsp*.dll"
# )
# set ( SINSP_DLL ${_SINSP_dll}
# # We're storing filenames only. Should we use STRING instead?
# CACHE FILEPATH "sinsp DLL file name"
# )
# mark_as_advanced( SINSP_DLL_DIR SINSP_DLL )
# endif()
else()
set(SINSP_INCLUDE_DIRS)
set(SINSP_LINK_LIBRARIES)
endif()
cmake_dependent_option(FALCO_PLUGINS "Paths to Falco plugins. Semicolon-separated" "" SINSP_FOUND "")
mark_as_advanced(SINSP_INCLUDE_DIRS SINSP_LINK_LIBRARIES)
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