kamailio/cmake/modules/FindLibev.cmake

#[=======================================================================[.rst:
FindLibev
---------

Find the Libev library.

Imported targets
^^^^^^^^^^^^^^^^

This module defines the following :prop_tgt:`IMPORTED` targets:

``Libev::Libev``
  The Libev library, if found.

Result variables
^^^^^^^^^^^^^^^^

This module will set the following variables in your project:

``Libev_FOUND``
  If false, do not try to use Libev.
``LIBEV_INCLUDE_DIR``
  where to find libev headers.
``LIBEV_LIBRARIES``
  the libraries needed to use Libev.
``LIBEV_VERSION``
  the version of the Libev library found

#]=======================================================================]

find_path(LIBEV_INCLUDE_DIR ev.h HINTS "${LIBEV_DIR}" "${LIBEV_DIR}/include")

find_library(
  LIBEV_LIBRARY
  NAMES ev libev
  HINTS "${LIBEV_DIR}" "${LIBEV_DIR}/lib"
)

set(LIBEV_LIBRARIES "")

if(LIBEV_INCLUDE_DIR AND LIBEV_LIBRARY)
  if(NOT TARGET Libev::Libev)
    add_library(Libev::Libev UNKNOWN IMPORTED)
    set_target_properties(
      Libev::Libev
      PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${LIBEV_INCLUDE_DIR}"
                 IMPORTED_LINK_INTERFACE_LANGUAGES "C"
                 IMPORTED_LOCATION "${LIBEV_LIBRARY}"
    )
  endif()
endif()

list(APPEND LIBEV_LIBRARIES "${LIBEV_LIBRARY}")

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libev REQUIRED_VARS LIBEV_LIBRARIES LIBEV_INCLUDE_DIR)

mark_as_advanced(LIBEV_INCLUDE_DIR LIBEV_LIBRARIES LIBEV_LIBRARY)