# - Try to find the cairo library
# Once done this will define
#
#  CAIRO_FOUND - system has cairo
#  CAIRO_INCLUDE_DIRS - the cairo include directory
#  CAIRO_LIBRARIES - Link these to use cairo
#
# Define CAIRO_MIN_VERSION for which version desired.
#

include(FindPkgConfig)

if(Cairo_FIND_REQUIRED)
  set(_pkgconfig_REQUIRED "REQUIRED")
else(Cairo_FIND_REQUIRED)
  set(_pkgconfig_REQUIRED "")
endif(Cairo_FIND_REQUIRED)

if(CAIRO_MIN_VERSION)
  pkg_search_module(CAIRO ${_pkgconfig_REQUIRED} cairo>=${CAIRO_MIN_VERSION})
else(CAIRO_MIN_VERSION)
  pkg_search_module(CAIRO ${_pkgconfig_REQUIRED} cairo)
endif(CAIRO_MIN_VERSION)

if(NOT CAIRO_FOUND AND NOT PKG_CONFIG_FOUND)
  FIND_PATH(CAIRO_INCLUDE_DIRS cairo.h)
  FIND_LIBRARY(CAIRO_LIBRARIES cairo)
endif(NOT CAIRO_FOUND AND NOT PKG_CONFIG_FOUND)

# Report results
if(CAIRO_LIBRARIES AND CAIRO_INCLUDE_DIRS)

  set(CAIRO_FOUND 1)
  if(NOT Cairo_FIND_QUIETLY)
    message(STATUS "Found Cairo: includes '${CAIRO_INCLUDE_DIRS}', libraries '${CAIRO_LIBRARIES}'")
  endif(NOT Cairo_FIND_QUIETLY)

else(CAIRO_LIBRARIES AND CAIRO_INCLUDE_DIRS)

  if(Cairo_FIND_REQUIRED)
    message(SEND_ERROR "Could not find Cairo")
  else(Cairo_FIND_REQUIRED)
    if(NOT Cairo_FIND_QUIETLY)
      message(STATUS "Could not find Cairo")
    endif(NOT Cairo_FIND_QUIETLY)
  endif(Cairo_FIND_REQUIRED)

endif(CAIRO_LIBRARIES AND CAIRO_INCLUDE_DIRS)