# - FindXCB
#
# Copyright 2015 Valve Coporation

find_package(PkgConfig)

if (NOT XCB_FIND_COMPONENTS)
  set(XCB_FIND_COMPONENTS xcb)
endif ()

include(FindPackageHandleStandardArgs)
set(XCB_FOUND true)
set(XCB_INCLUDE_DIRS "")
set(XCB_LIBRARIES "")
foreach (comp ${XCB_FIND_COMPONENTS})
  # component name
  string(TOUPPER ${comp} compname)
  string(REPLACE "-" "_" compname ${compname})

  set(libname ${comp})
  string(REPLACE "-" "_" headername xcb/${comp}.h)

  pkg_check_modules(PC_${comp} ${comp})

  #message("searching for ${comp}: ${headername} and ${libname}")

  find_path(${compname}_INCLUDE_DIR NAMES ${headername}
      HINTS
      ${PC_${comp}_INCLUDEDIR}
      ${PC_${comp}_INCLUDE_DIRS}
      )

  find_library(${compname}_LIBRARY NAMES ${libname}
      HINTS
      ${PC_${comp}_LIBDIR}
      ${PC_${comp}_LIBRARY_DIRS}
      )

  find_package_handle_standard_args(${comp}
      FOUND_VAR ${comp}_FOUND
      REQUIRED_VARS ${compname}_INCLUDE_DIR ${compname}_LIBRARY)
  mark_as_advanced(${compname}_INCLUDE_DIR ${compname}_LIBRARY)

  list(APPEND XCB_INCLUDE_DIRS ${${compname}_INCLUDE_DIR})
  list(APPEND XCB_LIBRARIES ${${compname}_LIBRARY})

  if (NOT ${comp}_FOUND)
    set(XCB_FOUND false)
  endif ()
endforeach ()

list(REMOVE_DUPLICATES XCB_INCLUDE_DIRS)
