# /****************************************************************************
#  * <Novell-copyright>
#  * Copyright (c) 2001 Novell, Inc. All Rights Reserved.
#  *
#  * This program is free software; you can redistribute it and/or
#  * modify it under the terms of version 2 of the GNU General Public License
#  * as published by the Free Software Foundation.
#  *
#  * This program is distributed in the hope that it will be useful,
#  * but WITHOUT ANY WARRANTY; without even the implied warranty of
#  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  * GNU General Public License for more details.
#  *
#  * You should have received a copy of the GNU General Public License
#  * along with this program; if not, contact Novell, Inc.
#  *
#  * To contact Novell about this file by physical or electronic mail, you
#  * may find current contact information at www.novell.com.
#  * </Novell-copyright>
#  ****************************************************************************/

find_package(PkgConfig QUIET)
if(PkgConfig_FOUND)
  pkg_check_modules(PC_LDNS QUIET ldns)
endif()

find_path(LDNS_INCLUDE_DIR NAMES ldns/ldns.h
  HINTS ${PC_LDNS_INCLUDEDIR} ${PC_LDNS_INCLUDE_DIRS})
find_library(LDNS_LIBRARY NAMES ldns
  HINTS ${PC_LDNS_LIBDIR} ${PC_LDNS_LIBRARY_DIRS})

set(LDNS_VERSION "${PC_LDNS_VERSION}")
if(LDNS_INCLUDE_DIR AND NOT LDNS_VERSION AND
   EXISTS "${LDNS_INCLUDE_DIR}/ldns/util.h")
  file(STRINGS "${LDNS_INCLUDE_DIR}/ldns/util.h" _LDNS_VERSION_LINE
    REGEX "^# *define LDNS_VERSION +\"[0-9]+\\.[0-9]+\\.[0-9]+\"")
  string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" LDNS_VERSION
    "${_LDNS_VERSION_LINE}")
endif()

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LDNS
  REQUIRED_VARS LDNS_LIBRARY LDNS_INCLUDE_DIR
  VERSION_VAR LDNS_VERSION)

if(LDNS_FOUND AND NOT TARGET LDNS::LDNS)
  add_library(LDNS::LDNS UNKNOWN IMPORTED)
  set_target_properties(LDNS::LDNS PROPERTIES
    IMPORTED_LOCATION "${LDNS_LIBRARY}"
    INTERFACE_INCLUDE_DIRECTORIES "${LDNS_INCLUDE_DIR}")
  if(PC_LDNS_CFLAGS_OTHER)
    set_property(TARGET LDNS::LDNS PROPERTY
      INTERFACE_COMPILE_OPTIONS "${PC_LDNS_CFLAGS_OTHER}")
  endif()
endif()

mark_as_advanced(LDNS_INCLUDE_DIR LDNS_LIBRARY)