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438 lines
16 KiB
438 lines
16 KiB
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindICU
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-------
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.. versionadded:: 3.7
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Find the International Components for Unicode (ICU) libraries and
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programs.
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This module supports multiple components.
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Components can include any of: ``data``, ``i18n``, ``io``, ``le``,
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``lx``, ``test``, ``tu`` and ``uc``.
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Note that on Windows ``data`` is named ``dt`` and ``i18n`` is named
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``in``; any of the names may be used, and the appropriate
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platform-specific library name will be automatically selected.
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.. versionadded:: 3.11
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Added support for static libraries on Windows.
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This module reports information about the ICU installation in
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several variables. General variables::
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ICU_VERSION - ICU release version
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ICU_FOUND - true if the main programs and libraries were found
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ICU_LIBRARIES - component libraries to be linked
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ICU_INCLUDE_DIRS - the directories containing the ICU headers
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Imported targets::
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ICU::<C>
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Where ``<C>`` is the name of an ICU component, for example
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``ICU::i18n``; ``<C>`` is lower-case.
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ICU programs are reported in::
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ICU_GENCNVAL_EXECUTABLE - path to gencnval executable
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ICU_ICUINFO_EXECUTABLE - path to icuinfo executable
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ICU_GENBRK_EXECUTABLE - path to genbrk executable
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ICU_ICU-CONFIG_EXECUTABLE - path to icu-config executable
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ICU_GENRB_EXECUTABLE - path to genrb executable
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ICU_GENDICT_EXECUTABLE - path to gendict executable
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ICU_DERB_EXECUTABLE - path to derb executable
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ICU_PKGDATA_EXECUTABLE - path to pkgdata executable
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ICU_UCONV_EXECUTABLE - path to uconv executable
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ICU_GENCFU_EXECUTABLE - path to gencfu executable
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ICU_MAKECONV_EXECUTABLE - path to makeconv executable
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ICU_GENNORM2_EXECUTABLE - path to gennorm2 executable
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ICU_GENCCODE_EXECUTABLE - path to genccode executable
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ICU_GENSPREP_EXECUTABLE - path to gensprep executable
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ICU_ICUPKG_EXECUTABLE - path to icupkg executable
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ICU_GENCMN_EXECUTABLE - path to gencmn executable
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ICU component libraries are reported in::
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ICU_<C>_FOUND - ON if component was found; ``<C>`` is upper-case.
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ICU_<C>_LIBRARIES - libraries for component; ``<C>`` is upper-case.
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ICU datafiles are reported in::
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ICU_MAKEFILE_INC - Makefile.inc
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ICU_PKGDATA_INC - pkgdata.inc
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This module reads hints about search results from::
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ICU_ROOT - the root of the ICU installation
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The environment variable ``ICU_ROOT`` may also be used; the
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ICU_ROOT variable takes precedence.
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The following cache variables may also be set::
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ICU_<P>_EXECUTABLE - the path to executable <P>; ``<P>`` is upper-case.
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ICU_INCLUDE_DIR - the directory containing the ICU headers
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ICU_<C>_LIBRARY - the library for component <C>; ``<C>`` is upper-case.
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.. note::
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In most cases none of the above variables will require setting,
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unless multiple ICU versions are available and a specific version
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is required.
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Other variables one may set to control this module are::
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ICU_DEBUG - Set to ON to enable debug output from FindICU.
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#]=======================================================================]
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# Written by Roger Leigh <rleigh@codelibre.net>
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set(icu_programs
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gencnval
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icuinfo
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genbrk
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icu-config
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genrb
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gendict
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derb
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pkgdata
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uconv
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gencfu
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makeconv
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gennorm2
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genccode
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gensprep
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icupkg
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gencmn)
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set(icu_data
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Makefile.inc
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pkgdata.inc)
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# The ICU checks are contained in a function due to the large number
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# of temporary variables needed.
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function(_ICU_FIND)
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# Set up search paths, taking compiler into account. Search ICU_ROOT,
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# with ICU_ROOT in the environment as a fallback if unset.
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if(ICU_ROOT)
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list(APPEND icu_roots "${ICU_ROOT}")
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else()
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if(NOT "$ENV{ICU_ROOT}" STREQUAL "")
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file(TO_CMAKE_PATH "$ENV{ICU_ROOT}" NATIVE_PATH)
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list(APPEND icu_roots "${NATIVE_PATH}")
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set(ICU_ROOT "${NATIVE_PATH}"
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CACHE PATH "Location of the ICU installation" FORCE)
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endif()
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endif()
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# Find include directory
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list(APPEND icu_include_suffixes "include")
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find_path(ICU_INCLUDE_DIR
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NAMES "unicode/utypes.h"
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HINTS ${icu_roots}
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PATH_SUFFIXES ${icu_include_suffixes}
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DOC "ICU include directory")
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mark_as_advanced(ICU_INCLUDE_DIR)
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set(ICU_INCLUDE_DIR "${ICU_INCLUDE_DIR}" PARENT_SCOPE)
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# Get version
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if(ICU_INCLUDE_DIR AND EXISTS "${ICU_INCLUDE_DIR}/unicode/uvernum.h")
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file(STRINGS "${ICU_INCLUDE_DIR}/unicode/uvernum.h" icu_header_str
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REGEX "^#define[\t ]+U_ICU_VERSION[\t ]+\".*\".*")
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string(REGEX REPLACE "^#define[\t ]+U_ICU_VERSION[\t ]+\"([^ \\n]*)\".*"
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"\\1" icu_version_string "${icu_header_str}")
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set(ICU_VERSION "${icu_version_string}")
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set(ICU_VERSION "${icu_version_string}" PARENT_SCOPE)
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unset(icu_header_str)
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unset(icu_version_string)
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endif()
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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# 64-bit binary directory
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set(_bin64 "bin64")
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# 64-bit library directory
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set(_lib64 "lib64")
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endif()
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# Find all ICU programs
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list(APPEND icu_binary_suffixes "${_bin64}" "bin" "sbin")
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foreach(program ${icu_programs})
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string(TOUPPER "${program}" program_upcase)
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set(cache_var "ICU_${program_upcase}_EXECUTABLE")
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set(program_var "ICU_${program_upcase}_EXECUTABLE")
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find_program("${cache_var}"
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NAMES "${program}"
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HINTS ${icu_roots}
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PATH_SUFFIXES ${icu_binary_suffixes}
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DOC "ICU ${program} executable"
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NO_PACKAGE_ROOT_PATH
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)
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mark_as_advanced("${cache_var}")
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set("${program_var}" "${${cache_var}}" PARENT_SCOPE)
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endforeach()
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# Find all ICU libraries
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list(APPEND icu_library_suffixes "${_lib64}" "lib")
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set(ICU_REQUIRED_LIBS_FOUND ON)
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set(static_prefix )
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# static icu libraries compiled with MSVC have the prefix 's'
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if(MSVC)
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set(static_prefix "s")
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endif()
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foreach(component ${ICU_FIND_COMPONENTS})
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string(TOUPPER "${component}" component_upcase)
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set(component_cache "ICU_${component_upcase}_LIBRARY")
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set(component_cache_release "${component_cache}_RELEASE")
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set(component_cache_debug "${component_cache}_DEBUG")
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set(component_found "ICU_${component_upcase}_FOUND")
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set(component_found_compat "${component_upcase}_FOUND")
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set(component_libnames "icu${component}")
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set(component_debug_libnames "icu${component}d")
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# Special case deliberate library naming mismatches between Unix
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# and Windows builds
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unset(component_libnames)
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unset(component_debug_libnames)
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list(APPEND component_libnames "icu${component}")
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list(APPEND component_debug_libnames "icu${component}d")
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if(component STREQUAL "data")
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list(APPEND component_libnames "icudt")
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# Note there is no debug variant at present
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list(APPEND component_debug_libnames "icudtd")
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endif()
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if(component STREQUAL "dt")
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list(APPEND component_libnames "icudata")
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# Note there is no debug variant at present
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list(APPEND component_debug_libnames "icudatad")
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endif()
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if(component STREQUAL "i18n")
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list(APPEND component_libnames "icuin")
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list(APPEND component_debug_libnames "icuind")
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endif()
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if(component STREQUAL "in")
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list(APPEND component_libnames "icui18n")
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list(APPEND component_debug_libnames "icui18nd")
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endif()
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if(static_prefix)
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unset(static_component_libnames)
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unset(static_component_debug_libnames)
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foreach(component_libname ${component_libnames})
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list(APPEND static_component_libnames
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${static_prefix}${component_libname})
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endforeach()
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foreach(component_libname ${component_debug_libnames})
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list(APPEND static_component_debug_libnames
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${static_prefix}${component_libname})
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endforeach()
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list(APPEND component_libnames ${static_component_libnames})
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list(APPEND component_debug_libnames ${static_component_debug_libnames})
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endif()
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find_library("${component_cache_release}"
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NAMES ${component_libnames}
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HINTS ${icu_roots}
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PATH_SUFFIXES ${icu_library_suffixes}
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DOC "ICU ${component} library (release)"
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NO_PACKAGE_ROOT_PATH
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)
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find_library("${component_cache_debug}"
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NAMES ${component_debug_libnames}
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HINTS ${icu_roots}
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PATH_SUFFIXES ${icu_library_suffixes}
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DOC "ICU ${component} library (debug)"
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NO_PACKAGE_ROOT_PATH
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)
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include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
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select_library_configurations(ICU_${component_upcase})
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mark_as_advanced("${component_cache_release}" "${component_cache_debug}")
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if(${component_cache})
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set("${component_found}" ON)
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set("${component_found_compat}" ON)
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list(APPEND ICU_LIBRARY "${${component_cache}}")
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if (ICU_FIND_REQUIRED_${component})
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list(APPEND ICU_LIBS_FOUND "${component} (required): ${${component_cache}}")
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else()
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list(APPEND ICU_LIBS_FOUND "${component} (optional): ${${component_cache}}")
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endif()
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else()
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if (ICU_FIND_REQUIRED_${component})
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set(ICU_REQUIRED_LIBS_FOUND OFF)
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list(APPEND ICU_LIBS_NOTFOUND "${component} (required)")
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else()
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list(APPEND ICU_LIBS_NOTFOUND "${component} (optional)")
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endif()
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endif()
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mark_as_advanced("${component_found}")
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mark_as_advanced("${component_found_compat}")
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set("${component_cache}" "${${component_cache}}" PARENT_SCOPE)
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set("${component_found}" "${${component_found}}" PARENT_SCOPE)
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set("${component_found_compat}" "${${component_found_compat}}" PARENT_SCOPE)
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endforeach()
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set(_ICU_REQUIRED_LIBS_FOUND "${ICU_REQUIRED_LIBS_FOUND}" PARENT_SCOPE)
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set(ICU_LIBRARY "${ICU_LIBRARY}" PARENT_SCOPE)
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# Find all ICU data files
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if(CMAKE_LIBRARY_ARCHITECTURE)
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list(APPEND icu_data_suffixes
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"${_lib64}/${CMAKE_LIBRARY_ARCHITECTURE}/icu/${ICU_VERSION}"
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"lib/${CMAKE_LIBRARY_ARCHITECTURE}/icu/${ICU_VERSION}"
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"${_lib64}/${CMAKE_LIBRARY_ARCHITECTURE}/icu"
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"lib/${CMAKE_LIBRARY_ARCHITECTURE}/icu")
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endif()
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list(APPEND icu_data_suffixes
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"${_lib64}/icu/${ICU_VERSION}"
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"lib/icu/${ICU_VERSION}"
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"${_lib64}/icu"
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"lib/icu")
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foreach(data ${icu_data})
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string(TOUPPER "${data}" data_upcase)
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string(REPLACE "." "_" data_upcase "${data_upcase}")
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set(cache_var "ICU_${data_upcase}")
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set(data_var "ICU_${data_upcase}")
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find_file("${cache_var}"
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NAMES "${data}"
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HINTS ${icu_roots}
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PATH_SUFFIXES ${icu_data_suffixes}
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DOC "ICU ${data} data file")
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mark_as_advanced("${cache_var}")
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set("${data_var}" "${${cache_var}}" PARENT_SCOPE)
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endforeach()
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if(NOT ICU_FIND_QUIETLY)
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if(ICU_LIBS_FOUND)
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message(STATUS "Found the following ICU libraries:")
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foreach(found ${ICU_LIBS_FOUND})
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message(STATUS " ${found}")
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endforeach()
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endif()
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if(ICU_LIBS_NOTFOUND)
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message(STATUS "The following ICU libraries were not found:")
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foreach(notfound ${ICU_LIBS_NOTFOUND})
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message(STATUS " ${notfound}")
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endforeach()
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endif()
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endif()
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if(ICU_DEBUG)
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message(STATUS "--------FindICU.cmake search debug--------")
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message(STATUS "ICU binary path search order: ${icu_roots}")
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message(STATUS "ICU include path search order: ${icu_roots}")
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message(STATUS "ICU library path search order: ${icu_roots}")
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message(STATUS "----------------")
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endif()
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endfunction()
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_ICU_FIND()
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(ICU
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FOUND_VAR ICU_FOUND
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REQUIRED_VARS ICU_INCLUDE_DIR
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ICU_LIBRARY
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_ICU_REQUIRED_LIBS_FOUND
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VERSION_VAR ICU_VERSION
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FAIL_MESSAGE "Failed to find all ICU components")
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unset(_ICU_REQUIRED_LIBS_FOUND)
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if(ICU_FOUND)
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set(ICU_INCLUDE_DIRS "${ICU_INCLUDE_DIR}")
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set(ICU_LIBRARIES "${ICU_LIBRARY}")
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foreach(_ICU_component ${ICU_FIND_COMPONENTS})
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string(TOUPPER "${_ICU_component}" _ICU_component_upcase)
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set(_ICU_component_cache "ICU_${_ICU_component_upcase}_LIBRARY")
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set(_ICU_component_cache_release "ICU_${_ICU_component_upcase}_LIBRARY_RELEASE")
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set(_ICU_component_cache_debug "ICU_${_ICU_component_upcase}_LIBRARY_DEBUG")
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set(_ICU_component_lib "ICU_${_ICU_component_upcase}_LIBRARIES")
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set(_ICU_component_found "ICU_${_ICU_component_upcase}_FOUND")
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set(_ICU_imported_target "ICU::${_ICU_component}")
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if(${_ICU_component_found})
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set("${_ICU_component_lib}" "${${_ICU_component_cache}}")
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if(NOT TARGET ${_ICU_imported_target})
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add_library(${_ICU_imported_target} UNKNOWN IMPORTED)
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if(ICU_INCLUDE_DIR)
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set_target_properties(${_ICU_imported_target} PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${ICU_INCLUDE_DIR}")
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endif()
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if(EXISTS "${${_ICU_component_cache}}")
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set_target_properties(${_ICU_imported_target} PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
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IMPORTED_LOCATION "${${_ICU_component_cache}}")
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endif()
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if(EXISTS "${${_ICU_component_cache_release}}")
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set_property(TARGET ${_ICU_imported_target} APPEND PROPERTY
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IMPORTED_CONFIGURATIONS RELEASE)
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set_target_properties(${_ICU_imported_target} PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "CXX"
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IMPORTED_LOCATION_RELEASE "${${_ICU_component_cache_release}}")
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endif()
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if(EXISTS "${${_ICU_component_cache_debug}}")
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set_property(TARGET ${_ICU_imported_target} APPEND PROPERTY
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IMPORTED_CONFIGURATIONS DEBUG)
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set_target_properties(${_ICU_imported_target} PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "CXX"
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IMPORTED_LOCATION_DEBUG "${${_ICU_component_cache_debug}}")
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endif()
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if(CMAKE_DL_LIBS AND _ICU_component STREQUAL "uc")
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set_target_properties(${_ICU_imported_target} PROPERTIES
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INTERFACE_LINK_LIBRARIES "${CMAKE_DL_LIBS}")
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endif()
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endif()
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endif()
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unset(_ICU_component_upcase)
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unset(_ICU_component_cache)
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unset(_ICU_component_lib)
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unset(_ICU_component_found)
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unset(_ICU_imported_target)
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endforeach()
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endif()
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if(ICU_DEBUG)
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message(STATUS "--------FindICU.cmake results debug--------")
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message(STATUS "ICU found: ${ICU_FOUND}")
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message(STATUS "ICU_VERSION number: ${ICU_VERSION}")
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message(STATUS "ICU_ROOT directory: ${ICU_ROOT}")
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message(STATUS "ICU_INCLUDE_DIR directory: ${ICU_INCLUDE_DIR}")
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message(STATUS "ICU_LIBRARIES: ${ICU_LIBRARIES}")
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foreach(program IN LISTS icu_programs)
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string(TOUPPER "${program}" program_upcase)
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set(program_lib "ICU_${program_upcase}_EXECUTABLE")
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message(STATUS "${program} program: ${program_lib}=${${program_lib}}")
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unset(program_upcase)
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unset(program_lib)
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endforeach()
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foreach(data IN LISTS icu_data)
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string(TOUPPER "${data}" data_upcase)
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string(REPLACE "." "_" data_upcase "${data_upcase}")
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set(data_lib "ICU_${data_upcase}")
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message(STATUS "${data} data: ${data_lib}=${${data_lib}}")
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unset(data_upcase)
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unset(data_lib)
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endforeach()
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foreach(component IN LISTS ICU_FIND_COMPONENTS)
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string(TOUPPER "${component}" component_upcase)
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set(component_lib "ICU_${component_upcase}_LIBRARIES")
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set(component_found "ICU_${component_upcase}_FOUND")
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set(component_found_compat "${component_upcase}_FOUND")
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message(STATUS "${component} library found: ${component_found}=${${component_found}}")
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message(STATUS "${component} library found (compat name): ${component_found_compat}=${${component_found_compat}}")
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message(STATUS "${component} library: ${component_lib}=${${component_lib}}")
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unset(component_upcase)
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unset(component_lib)
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unset(component_found)
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unset(component_found_compat)
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endforeach()
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message(STATUS "----------------")
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endif()
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unset(icu_programs)
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