simgear/CMakeModules/FindUdns.cmake
James Turner 456c63935c Cmake refresh
Use target objects everywhere, and simplify handling of system vs
local dependencies.
2020-08-18 11:40:27 +01:00

58 lines
1.5 KiB
CMake

# - Try to find UDNS library
# Once done this will define
#
# UDNS_FOUND - system has UDNS
# UDNS_INCLUDE_DIRS - the UDNS include directory
# UDNS_LIBRARIES - Link these to use UDNS
# UDNS_DEFINITIONS - Compiler switches required for using UDNS
#
# Copyright (c) 2016 Maciej Mrozowski <reavertm@gmail.com>
#
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
if (UDNS_LIBRARIES AND UDNS_INCLUDE_DIRS)
# in cache already
set(UDNS_FOUND TRUE)
else ()
set(UDNS_DEFINITIONS "")
find_path(UDNS_INCLUDE_DIRS NAMES udns.h)
find_library(UDNS_LIBRARIES NAMES udns)
if (UDNS_INCLUDE_DIRS AND UDNS_LIBRARIES)
set(UDNS_FOUND TRUE)
endif ()
if (UDNS_FOUND)
if (NOT Udns_FIND_QUIETLY)
message(STATUS "Found UDNS: ${UDNS_LIBRARIES}")
endif ()
else ()
if (Udns_FIND_REQUIRED)
message(FATAL_ERROR "Could not find UDNS")
endif ()
endif ()
# show the UDNS_INCLUDE_DIRS and UDNS_LIBRARIES variables only in the advanced view
mark_as_advanced(UDNS_INCLUDE_DIRS UDNS_LIBRARIES)
if(UDNS_FOUND)
if(NOT TARGET Udns::Udns)
add_library(Udns::Udns UNKNOWN IMPORTED)
set_target_properties(Udns::Udns PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${UDNS_INCLUDE_DIRS}")
set_target_properties(Udns::Udns PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${UDNS_LIBRARIES}")
endif()
endif()
endif ()