--- /dev/null
+# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+#.rst:
+# FindICU
+# -------
+#
+# Find the International Components for Unicode (ICU) libraries and
+# programs.
+#
+# This module supports multiple components.
+# Components can include any of: ``data``, ``i18n``, ``io``, ``le``,
+# ``lx``, ``test``, ``tu`` and ``uc``.
+#
+# Note that on Windows ``data`` is named ``dt`` and ``i18n`` is named
+# ``in``; any of the names may be used, and the appropriate
+# platform-specific library name will be automatically selected.
+#
+# This module reports information about the ICU installation in
+# several variables. General variables::
+#
+# ICU_VERSION - ICU release version
+# ICU_FOUND - true if the main programs and libraries were found
+# ICU_LIBRARIES - component libraries to be linked
+# ICU_INCLUDE_DIRS - the directories containing the ICU headers
+#
+# Imported targets::
+#
+# ICU::<C>
+#
+# Where ``<C>`` is the name of an ICU component, for example
+# ``ICU::i18n``.
+#
+# ICU programs are reported in::
+#
+# ICU_GENCNVAL_EXECUTABLE - path to gencnval executable
+# ICU_ICUINFO_EXECUTABLE - path to icuinfo executable
+# ICU_GENBRK_EXECUTABLE - path to genbrk executable
+# ICU_ICU-CONFIG_EXECUTABLE - path to icu-config executable
+# ICU_GENRB_EXECUTABLE - path to genrb executable
+# ICU_GENDICT_EXECUTABLE - path to gendict executable
+# ICU_DERB_EXECUTABLE - path to derb executable
+# ICU_PKGDATA_EXECUTABLE - path to pkgdata executable
+# ICU_UCONV_EXECUTABLE - path to uconv executable
+# ICU_GENCFU_EXECUTABLE - path to gencfu executable
+# ICU_MAKECONV_EXECUTABLE - path to makeconv executable
+# ICU_GENNORM2_EXECUTABLE - path to gennorm2 executable
+# ICU_GENCCODE_EXECUTABLE - path to genccode executable
+# ICU_GENSPREP_EXECUTABLE - path to gensprep executable
+# ICU_ICUPKG_EXECUTABLE - path to icupkg executable
+# ICU_GENCMN_EXECUTABLE - path to gencmn executable
+#
+# ICU component libraries are reported in::
+#
+# ICU_<C>_FOUND - ON if component was found
+# ICU_<C>_LIBRARIES - libraries for component
+#
+# Note that ``<C>`` is the uppercased name of the component.
+#
+# This module reads hints about search results from::
+#
+# ICU_ROOT - the root of the ICU installation
+#
+# The environment variable ``ICU_ROOT`` may also be used; the
+# ICU_ROOT variable takes precedence.
+#
+# The following cache variables may also be set::
+#
+# ICU_<P>_EXECUTABLE - the path to executable <P>
+# ICU_INCLUDE_DIR - the directory containing the ICU headers
+# ICU_<C>_LIBRARY - the library for component <C>
+#
+# .. note::
+#
+# In most cases none of the above variables will require setting,
+# unless multiple ICU versions are available and a specific version
+# is required.
+#
+# Other variables one may set to control this module are::
+#
+# ICU_DEBUG - Set to ON to enable debug output from FindICU.
+
+# Written by Roger Leigh <rleigh@codelibre.net>
+
+set(icu_programs
+ gencnval
+ icuinfo
+ genbrk
+ icu-config
+ genrb
+ gendict
+ derb
+ pkgdata
+ uconv
+ gencfu
+ makeconv
+ gennorm2
+ genccode
+ gensprep
+ icupkg
+ gencmn)
+
+# The ICU checks are contained in a function due to the large number
+# of temporary variables needed.
+function(_ICU_FIND)
+ # Set up search paths, taking compiler into account. Search ICU_ROOT,
+ # with ICU_ROOT in the environment as a fallback if unset.
+ if(ICU_ROOT)
+ list(APPEND icu_roots "${ICU_ROOT}")
+ else()
+ if(NOT "$ENV{ICU_ROOT}" STREQUAL "")
+ file(TO_CMAKE_PATH "$ENV{ICU_ROOT}" NATIVE_PATH)
+ list(APPEND icu_roots "${NATIVE_PATH}")
+ set(ICU_ROOT "${NATIVE_PATH}"
+ CACHE PATH "Location of the ICU installation" FORCE)
+ endif()
+ endif()
+
+ if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+ # 64-bit binary directory
+ set(_bin64 "bin64")
+ # 64-bit library directory
+ set(_lib64 "lib64")
+ endif()
+
+ # Generic 64-bit and 32-bit directories
+ list(APPEND icu_binary_suffixes "${_bin64}" "bin")
+ list(APPEND icu_library_suffixes "${_lib64}" "lib")
+
+ # Find all ICU programs
+ foreach(program ${icu_programs})
+ string(TOUPPER "${program}" program_upcase)
+ set(cache_var "ICU_${program_upcase}_EXECUTABLE")
+ set(program_var "ICU_${program_upcase}_EXECUTABLE")
+ find_program("${cache_var}" "${program}"
+ HINTS ${icu_roots}
+ PATH_SUFFIXES ${icu_binary_suffixes}
+ DOC "ICU ${program} executable")
+ mark_as_advanced(cache_var)
+ set("${program_var}" "${${cache_var}}" PARENT_SCOPE)
+ endforeach()
+
+ # Find include directory
+ find_path(ICU_INCLUDE_DIR
+ NAMES "unicode/utypes.h"
+ HINTS ${icu_roots}
+ PATH_SUFFIXES ${icu_include_suffixes}
+ DOC "ICU include directory")
+ set(ICU_INCLUDE_DIR "${ICU_INCLUDE_DIR}" PARENT_SCOPE)
+
+ # Get version
+ if(ICU_INCLUDE_DIR AND EXISTS "${ICU_INCLUDE_DIR}/unicode/uvernum.h")
+ file(STRINGS "${ICU_INCLUDE_DIR}/unicode/uvernum.h" icu_header_str
+ REGEX "^#define[\t ]+U_ICU_VERSION[\t ]+\".*\".*")
+
+ string(REGEX REPLACE "^#define[\t ]+U_ICU_VERSION[\t ]+\"([^ \\n]*)\".*"
+ "\\1" icu_version_string "${icu_header_str}")
+ set(ICU_VERSION "${icu_version_string}" PARENT_SCOPE)
+ unset(icu_header_str)
+ unset(icu_version_string)
+ endif()
+
+ # Find all ICU libraries
+ set(ICU_REQUIRED_LIBS_FOUND ON)
+ foreach(component ${ICU_FIND_COMPONENTS})
+ string(TOUPPER "${component}" component_upcase)
+ set(component_cache "ICU_${component_upcase}_LIBRARY")
+ set(component_cache_release "${component_cache}_RELEASE")
+ set(component_cache_debug "${component_cache}_DEBUG")
+ set(component_found "${component_upcase}_FOUND")
+ set(component_libnames "icu${component}")
+ set(component_debug_libnames "icu${component}d")
+
+ # Special case deliberate library naming mismatches between Unix
+ # and Windows builds
+ unset(component_libnames)
+ unset(component_debug_libnames)
+ list(APPEND component_libnames "icu${component}")
+ list(APPEND component_debug_libnames "icu${component}d")
+ if(component STREQUAL "data")
+ list(APPEND component_libnames "icudt")
+ # Note there is no debug variant at present
+ list(APPEND component_debug_libnames "icudtd")
+ endif()
+ if(component STREQUAL "dt")
+ list(APPEND component_libnames "icudata")
+ # Note there is no debug variant at present
+ list(APPEND component_debug_libnames "icudatad")
+ endif()
+ if(component STREQUAL "i18n")
+ list(APPEND component_libnames "icuin")
+ list(APPEND component_debug_libnames "icuind")
+ endif()
+ if(component STREQUAL "in")
+ list(APPEND component_libnames "icui18n")
+ list(APPEND component_debug_libnames "icui18nd")
+ endif()
+
+ find_library("${component_cache_release}" ${component_libnames}
+ HINTS ${icu_roots}
+ PATH_SUFFIXES ${icu_library_suffixes}
+ DOC "ICU ${component} library (release)")
+ find_library("${component_cache_debug}" ${component_debug_libnames}
+ HINTS ${icu_roots}
+ PATH_SUFFIXES ${icu_library_suffixes}
+ DOC "ICU ${component} library (debug)")
+ include(SelectLibraryConfigurations)
+ select_library_configurations(ICU_${component_upcase})
+ mark_as_advanced("${component_cache_release}" "${component_cache_debug}")
+ if(${component_cache})
+ set("${component_found}" ON)
+ list(APPEND ICU_LIBRARY "${${component_cache}}")
+ endif()
+ mark_as_advanced("${component_found}")
+ set("${component_cache}" "${${component_cache}}" PARENT_SCOPE)
+ set("${component_found}" "${${component_found}}" PARENT_SCOPE)
+ if(${component_found})
+ if (ICU_FIND_REQUIRED_${component})
+ list(APPEND ICU_LIBS_FOUND "${component} (required)")
+ else()
+ list(APPEND ICU_LIBS_FOUND "${component} (optional)")
+ endif()
+ else()
+ if (ICU_FIND_REQUIRED_${component})
+ set(ICU_REQUIRED_LIBS_FOUND OFF)
+ list(APPEND ICU_LIBS_NOTFOUND "${component} (required)")
+ else()
+ list(APPEND ICU_LIBS_NOTFOUND "${component} (optional)")
+ endif()
+ endif()
+ endforeach()
+ set(_ICU_REQUIRED_LIBS_FOUND "${ICU_REQUIRED_LIBS_FOUND}" PARENT_SCOPE)
+ set(ICU_LIBRARY "${ICU_LIBRARY}" PARENT_SCOPE)
+
+ if(NOT ICU_FIND_QUIETLY)
+ if(ICU_LIBS_FOUND)
+ message(STATUS "Found the following ICU libraries:")
+ foreach(found ${ICU_LIBS_FOUND})
+ message(STATUS " ${found}")
+ endforeach()
+ endif()
+ if(ICU_LIBS_NOTFOUND)
+ message(STATUS "The following ICU libraries were not found:")
+ foreach(notfound ${ICU_LIBS_NOTFOUND})
+ message(STATUS " ${notfound}")
+ endforeach()
+ endif()
+ endif()
+
+ if(ICU_DEBUG)
+ message(STATUS "--------FindICU.cmake search debug--------")
+ message(STATUS "ICU binary path search order: ${icu_roots}")
+ message(STATUS "ICU include path search order: ${icu_roots}")
+ message(STATUS "ICU library path search order: ${icu_roots}")
+ message(STATUS "----------------")
+ endif()
+endfunction()
+
+_ICU_FIND()
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(ICU
+ FOUND_VAR ICU_FOUND
+ REQUIRED_VARS ICU_INCLUDE_DIR
+ ICU_LIBRARY
+ _ICU_REQUIRED_LIBS_FOUND
+ VERSION_VAR ICU_VERSION
+ FAIL_MESSAGE "Failed to find all ICU components")
+
+unset(_ICU_REQUIRED_LIBS_FOUND)
+
+if(ICU_FOUND)
+ set(ICU_INCLUDE_DIRS "${ICU_INCLUDE_DIR}")
+ set(ICU_LIBRARIES "${ICU_LIBRARY}")
+ foreach(_ICU_component ${ICU_FIND_COMPONENTS})
+ string(TOUPPER "${_ICU_component}" _ICU_component_upcase)
+ set(_ICU_component_cache "ICU_${_ICU_component_upcase}_LIBRARY")
+ set(_ICU_component_cache_release "ICU_${_ICU_component_upcase}_LIBRARY_RELEASE")
+ set(_ICU_component_cache_debug "ICU_${_ICU_component_upcase}_LIBRARY_DEBUG")
+ set(_ICU_component_lib "ICU_${_ICU_component_upcase}_LIBRARIES")
+ set(_ICU_component_found "${_ICU_component_upcase}_FOUND")
+ set(_ICU_imported_target "ICU::${_ICU_component}")
+ if(${_ICU_component_found})
+ set("${_ICU_component_lib}" "${${_ICU_component_cache}}")
+ if(NOT TARGET ${_ICU_imported_target})
+ add_library(${_ICU_imported_target} UNKNOWN IMPORTED)
+ if(ICU_INCLUDE_DIR)
+ set_target_properties(${_ICU_imported_target} PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${ICU_INCLUDE_DIR}")
+ endif()
+ if(EXISTS "${${_ICU_component_cache}}")
+ set_target_properties(${_ICU_imported_target} PROPERTIES
+ IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
+ IMPORTED_LOCATION "${${_ICU_component_cache}}")
+ endif()
+ if(EXISTS "${${_ICU_component_cache_release}}")
+ set_property(TARGET ${_ICU_imported_target} APPEND PROPERTY
+ IMPORTED_CONFIGURATIONS RELEASE)
+ set_target_properties(${_ICU_imported_target} PROPERTIES
+ IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "CXX"
+ IMPORTED_LOCATION_RELEASE "${${_ICU_component_cache_release}}")
+ endif()
+ if(EXISTS "${${_ICU_component_cache_debug}}")
+ set_property(TARGET ${_ICU_imported_target} APPEND PROPERTY
+ IMPORTED_CONFIGURATIONS DEBUG)
+ set_target_properties(${_ICU_imported_target} PROPERTIES
+ IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "CXX"
+ IMPORTED_LOCATION_DEBUG "${${_ICU_component_cache_debug}}")
+ endif()
+ endif()
+ endif()
+ unset(_ICU_component_upcase)
+ unset(_ICU_component_cache)
+ unset(_ICU_component_lib)
+ unset(_ICU_component_found)
+ unset(_ICU_imported_target)
+ endforeach()
+endif()
+
+if(ICU_DEBUG)
+ message(STATUS "--------FindICU.cmake results debug--------")
+ message(STATUS "ICU found: ${ICU_FOUND}")
+ message(STATUS "ICU_VERSION number: ${ICU_VERSION}")
+ message(STATUS "ICU_ROOT directory: ${ICU_ROOT}")
+ message(STATUS "ICU_INCLUDE_DIR directory: ${ICU_INCLUDE_DIR}")
+ message(STATUS "ICU_LIBRARIES: ${ICU_LIBRARIES}")
+
+ foreach(program IN LISTS icu_programs)
+ string(TOUPPER "${program}" program_upcase)
+ set(program_lib "ICU_${program_upcase}_EXECUTABLE")
+ message(STATUS "${program} program: ${${program_lib}}")
+ unset(program_upcase)
+ unset(program_lib)
+ endforeach()
+
+ foreach(component IN LISTS ICU_FIND_COMPONENTS)
+ string(TOUPPER "${component}" component_upcase)
+ set(component_lib "ICU_${component_upcase}_LIBRARIES")
+ set(component_found "${component_upcase}_FOUND")
+ message(STATUS "${component} library found: ${${component_found}}")
+ message(STATUS "${component} library: ${${component_lib}}")
+ unset(component_upcase)
+ unset(component_lib)
+ unset(component_found)
+ endforeach()
+ message(STATUS "----------------")
+endif()
+
+unset(icu_programs)
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