find_package(PkgConfig QUIET)
pkg_check_modules(PC_CURL libcurl)
set_extra_dirs(CURL curl)

find_path(CURL_INCLUDEDIR curl/curl.h
  HINTS ${PC_CURL_INCLUDEDIR} ${PC_CURL_INCLUDE_DIRS}
  PATHS ${EXTRA_CURL_INCLUDEDIR}
)
find_library(CURL_LIBRARY
  NAMES curl
  HINTS ${PC_CURL_LIBDIR} ${PC_CURL_LIBRARY_DIRS}
  PATHS ${EXTRA_CURL_LIBDIR}
)

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Curl DEFAULT_MSG CURL_LIBRARY CURL_INCLUDEDIR)

mark_as_advanced(CURL_LIBRARY CURL_INCLUDEDIR)

set(CURL_LIBRARIES ${CURL_LIBRARY})
set(CURL_INCLUDE_DIRS ${CURL_INCLUDEDIR})