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#[=======================================================================[.rst:
FindLibunbound
--------------
Find the Libunbound library
Imported targets
^^^^^^^^^^^^^^^^
This module defines the following :prop_tgt:`IMPORTED` targets:
``Libunbound::Libunbound``
The Libunbound library, if found.
Result variables
^^^^^^^^^^^^^^^^
This module will set the following variables in your project:
``Libunbound_FOUND``
If false, do not try to use Libunbound.
``LIBUNBOUND_INCLUDE_DIR``
where to find libunbound headers.
``LIBUNBOUND_LIBRARIES``
the libraries needed to use Libunbound.
``LIBUNBOUND_VERSION``
the version of the Libunbound library found
#]=======================================================================]
find_package(PkgConfig QUIET)
if (PKG_CONFIG_FOUND)
pkg_check_modules(PkgLibunbound IMPORTED_TARGET GLOBAL QUIET libunbound)
endif ()
if (PkgLibunbound_FOUND)
set(LIBUNBOUND_INCLUDE_DIR ${PkgLibunbound_INCLUDE_DIRS} CACHE FILEPATH "libunbound include path")
set(LIBUNBOUND_LIBRARIES ${PkgLibunbound_LIBRARIES} CACHE STRING "libunbound libraries")
set(LIBUNBOUND_VERSION ${PkgLibunbound_VERSION})
add_library(Libunbound::Libunbound ALIAS PkgConfig::PkgLibunbound)
set(Libunbound_FOUND ON)
else ()
find_path(LIBUNBOUND_INCLUDE_DIR unbound.h
HINTS
"${LIBUNBOUND_DIR}"
"${LIBUNBOUND_DIR}/include"
)
find_library(LIBUNBOUND_LIBRARY NAMES unbound
HINTS
"${LIBUNBOUND_DIR}"
"${LIBUNBOUND_DIR}/lib"
)
set(_LIBUNBOUND_LIBRARIES "")
if (UNIX)
find_package(Threads REQUIRED)
find_package(OpenSSL REQUIRED)
list(APPEND _LIBUNBOUND_LIBRARIES "${CMAKE_THREAD_LIBS_INIT}")
list(APPEND _LIBUNBOUND_LIBRARIES "${OPENSSL_LIBRARIES}")
endif()
if (LIBUNBOUND_INCLUDE_DIR AND LIBUNBOUND_LIBRARY)
if (NOT TARGET Libunbound::Libunbound)
add_library(Libunbound::Libunbound UNKNOWN IMPORTED)
set_target_properties(Libunbound::Libunbound PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${LIBUNBOUND_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${LIBUNBOUND_LIBRARY}"
)
if(UNIX AND TARGET Threads::Threads)
set_property(TARGET Libunbound::Libunbound APPEND PROPERTY
INTERFACE_LINK_LIBRARIES Threads::Threads)
endif ()
if(UNIX AND TARGET OpenSSL::SSL)
set_property(TARGET Libunbound::Libunbound APPEND PROPERTY
INTERFACE_LINK_LIBRARIES OpenSSL::SSL)
endif ()
if(UNIX AND TARGET OpenSSL::Crypto)
set_property(TARGET Libunbound::Libunbound APPEND PROPERTY
INTERFACE_LINK_LIBRARIES OpenSSL::Crypto)
endif ()
endif ()
if (NOT LIBUNBOUND_VERSION AND LIBUNBOUND_INCLUDE_DIR AND EXISTS "${LIBUNBOUND_INCLUDE_DIR}/unbound.h")
file(STRINGS "${LIBUNBOUND_INCLUDE_DIR}/unbound.h" LIBUNBOUND_H REGEX "^#define UNBOUND_VERSION_M[A-Z]+")
string(REGEX REPLACE "^.*MAJOR ([0-9]+).*MINOR ([0-9]+).*MICRO ([0-9]+).*$" "\\1.\\2.\\3" LIBUNBOUND_VERSION "${LIBUNBOUND_H}")
endif ()
endif ()
list(APPEND _LIBUNBOUND_LIBRARIES "${LIBUNBOUND_LIBRARY}")
set(LIBUNBOUND_LIBRARIES ${_LIBUNBOUND_LIBRARIES} CACHE STRING "libunbound libraries")
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libunbound
REQUIRED_VARS LIBUNBOUND_LIBRARIES LIBUNBOUND_INCLUDE_DIR
VERSION_VAR LIBUNBOUND_VERSION
)
endif ()
mark_as_advanced(LIBUNBOUND_INCLUDE_DIR LIBUNBOUND_LIBRARIES LIBUNBOUND_LIBRARY)
|
