if(NOT MYX_GEO_IS_EXTERNAL_PROJECT)
  set(MYX_GEO_PREFIX "" CACHE PATH "The path to the prefix of an myx-geo installation")
  set(MYX_GEO_INCLUDE_DIR "" CACHE PATH "The path to the headers of an myx-geo installation")
  set(MYX_GEO_LIBRARY_DIR "" CACHE PATH "The path to the library of an myx-geo installation")

  set(_search_paths "")
  if(MYX_GEO_INCLUDE_DIR AND EXISTS ${MYX_GEO_INCLUDE_DIR})
    list(APPEND _search_paths ${MYX_GEO_INCLUDE_DIR})
  endif()
  if(MYX_GEO_PREFIX AND EXISTS ${MYX_GEO_PREFIX})
    list(APPEND _search_paths "${MYX_GEO_PREFIX}/include")
  endif()
  find_path(
    MYX_GEO_INCLUDE_DIRS
    NAMES myx/geo/const.hpp
    PATHS ${_search_paths})

  set(_search_paths "")
  if(MYX_GEO_LIBRARY_DIR AND EXISTS ${MYX_GEO_LIBRARY_DIR})
    list(APPEND _search_paths ${MYX_GEO_LIBRARY_DIR})
  endif()
  if(MYX_GEO_PREFIX AND EXISTS ${MYX_GEO_PREFIX})
    list(APPEND _search_paths "${MYX_GEO_PREFIX}/lib")
  endif()
  find_library(
    MYX_GEO_LIBRARIES
    NAMES myx-geo
    PATHS ${_search_paths})
  unset(_search_paths)

  if(MYX_GEO_INCLUDE_DIRS AND MYX_GEO_LIBRARIES)
    set(MYX_GEO_FOUND TRUE)
  endif()

  if(MYX_GEO_FOUND)
    if(NOT MYX_GEO_FIND_QUIETLY)
      message(STATUS "Found myx-geo")
    endif()
    set(HAVE_MYX_GEO 1)
  elseif(MYX_GEO_FOUND)
    if(MYX_GEO_FIND_REQUIRED)
      message(FATAL_ERROR "Could not find myx-geo")
    endif()
  endif()
endif()