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# Finds the International Components for Unicode (ICU) Library
#
#  ICU_FOUND          - True if ICU found.
#  ICU_I18N_FOUND     - True if ICU's internationalization library found.
#  ICU_INCLUDE_DIRS   - Directory to include to get ICU headers
#                       Note: always include ICU headers as, e.g., 
#                       unicode/utypes.h
#  ICU_LIBRARIES      - Libraries to link against for the common ICU
#  ICU_I18N_LIBRARIES - Libraries to link against for ICU internationaliation
#                       (note: in addition to ICU_LIBRARIES)

# Look for the header file.
find_path(
  ICU_INCLUDE_DIR 
  NAMES unicode/utypes.h
  DOC "Include directory for the ICU library")
mark_as_advanced(ICU_INCLUDE_DIR)

# Look for the library.
find_library(
  ICU_LIBRARY
  NAMES icuuc cygicuuc cygicuuc32
  DOC "Libraries to link against for the common parts of ICU")
mark_as_advanced(ICU_LIBRARY)

# Copy the results to the output variables.
if(ICU_INCLUDE_DIR AND ICU_LIBRARY)
  set(ICU_FOUND 1)
  set(ICU_LIBRARIES ${ICU_LIBRARY})
  set(ICU_INCLUDE_DIRS ${ICU_INCLUDE_DIR})

  # Look for the ICU internationalization libraries
  find_library(
    ICU_I18N_LIBRARY
    NAMES icuin icui18n cygicuin cygicuin32
    DOC "Libraries to link against for ICU internationalization")
  if(MSVC)
    find_library(ICU_DATA_LIBRARY
	  NAMES icudt
	  DOC "Libraries to link against for ICU data")
	set(ICU_LIBRARIES ${ICU_LIBRARIES} ${ICU_DATA_LIBRARY})
  endif(MSVC)
  mark_as_advanced(ICU_I18N_LIBRARY)
  mark_as_advanced(ICU_DATA_LIBRARY)
  if (ICU_I18N_LIBRARY)
    set(ICU_I18N_FOUND 1)
    set(ICU_I18N_LIBRARIES ${ICU_I18N_LIBRARY})
  else (ICU_I18N_LIBRARY)
    set(ICU_I18N_FOUND 0)
    set(ICU_I18N_LIBRARIES)
  endif (ICU_I18N_LIBRARY)
else(ICU_INCLUDE_DIR AND ICU_LIBRARY)
  set(ICU_FOUND 0)
  set(ICU_I18N_FOUND 0)
  set(ICU_LIBRARIES)
  set(ICU_I18N_LIBRARIES)
  set(ICU_INCLUDE_DIRS)
endif(ICU_INCLUDE_DIR AND ICU_LIBRARY)

IF(ICU_FOUND)
	IF(NOT ICU_FIND_QUIETLY)
		MESSAGE(STATUS "ICU: Yes ${ICU_I18N_LIBRARY}")
	ENDIF(NOT ICU_FIND_QUIETLY)
ELSE(ICU_FOUND)
	IF(ICU_FIND_REQUIRED)
		MESSAGE(FATAL_ERROR "ICU: No")
	ENDIF(ICU_FIND_REQUIRED)
ENDIF(ICU_FOUND)