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FindICU.cmake

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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})

set(ICU_VERSION 0)

set(ICU_MAJOR_VERSION 0)

set(ICU_MINOR_VERSION 0)

if (EXISTS "${ICU_INCLUDE_DIR}/unicode/uvernum.h")

FILE(READ "${ICU_INCLUDE_DIR}/unicode/uvernum.h" _ICU_VERSION_CONENTS)

else()

FILE(READ "${ICU_INCLUDE_DIR}/unicode/uversion.h" _ICU_VERSION_CONENTS)

endif()

STRING(REGEX REPLACE ".*#define U_ICU_VERSION_MAJOR_NUM ([0-9]+).*" "\\1" ICU_MAJOR_VERSION "${_ICU_VERSION_CONENTS}")

STRING(REGEX REPLACE ".*#define U_ICU_VERSION_MINOR_NUM ([0-9]+).*" "\\1" ICU_MINOR_VERSION "${_ICU_VERSION_CONENTS}")

set(ICU_VERSION "${ICU_MAJOR_VERSION}.${ICU_MINOR_VERSION}")

# Look for the ICU internationalization libraries

find_library(

ICU_I18N_LIBRARY

NAMES icuin icui18n cygicuin cygicuin32

DOC "Libraries to link against for ICU internationalization")

mark_as_advanced(ICU_I18N_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)

# Look for the ICU data libraries

find_library(

ICU_DATA_LIBRARY

NAMES icudata cygicudata cygicudata32

DOC "Libraries to link against for ICU data")

mark_as_advanced(ICU_DATA_LIBRARY)

if (ICU_DATA_LIBRARY)

set(ICU_DATA_FOUND 1)

set(ICU_DATA_LIBRARIES ${ICU_DATA_LIBRARY})

else (ICU_DATA_LIBRARY)

set(ICU_DATA_FOUND 0)

set(ICU_DATA_LIBRARIES)

endif (ICU_DATA_LIBRARY)

else(ICU_INCLUDE_DIR AND ICU_LIBRARY)

set(ICU_FOUND 0)

set(ICU_I18N_FOUND 0)

set(ICU_DATA_FOUND 0)

set(ICU_LIBRARIES)

set(ICU_I18N_LIBRARIES)

set(ICU_DATA_LIBRARIES)

set(ICU_INCLUDE_DIRS)

set(ICU_VERSION)

set(ICU_MAJOR_VERSION)

set(ICU_MINOR_VERSION)

endif(ICU_INCLUDE_DIR AND ICU_LIBRARY)

IF(ICU_FOUND)

IF( NOT ICU_FIND_QUIETLY )

MESSAGE( STATUS "Found ICU header files in ${ICU_INCLUDE_DIRS}")

MESSAGE( STATUS "Found ICU libraries: ${ICU_LIBRARIES}")

ENDIF( NOT ICU_FIND_QUIETLY )

ELSE(ICU_FOUND)

IF(ICU_FIND_REQUIRED)

MESSAGE( FATAL_ERROR "Could not find ICU" )

ELSE(ICU_FIND_REQUIRED)

MESSAGE( STATUS "Optional package ICU was not found" )

ENDIF(ICU_FIND_REQUIRED)

ENDIF(ICU_FOUND)