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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 ${ICU_INCLUDE_DIR})
set(ICU_VERSION 0)
set(ICU_MAJOR_VERSION 0)
set(ICU_MINOR_VERSION 0)
file(READ "${ICU_INCLUDE_DIR}/unicode/uversion.h" _ICU_VERSION_CONENTS)
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 ()
set(ICU_I18N_FOUND 0)
set(ICU_I18N_LIBRARIES)
endif ()
else ()
set(ICU_FOUND 0)
set(ICU_I18N_FOUND 0)
set(ICU_LIBRARIES)
set(ICU_I18N_LIBRARIES)
set(ICU_INCLUDE_DIRS)
set(ICU_VERSION)
set(ICU_MAJOR_VERSION)
set(ICU_MINOR_VERSION)
endif ()
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 ()
else ()
if (ICU_FIND_REQUIRED)
message(FATAL_ERROR "Could not find ICU")
else ()
message(STATUS "Optional package ICU was not found")
endif ()
endif ()
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