mirror of
https://github.com/reactos/CMake.git
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58b2d760ee
Convert several preformatted code block literals that enumerate lists of options or variables to use reST definition lists instead. Manually wrap other long lines in code blocks.
209 lines
6.3 KiB
CMake
209 lines
6.3 KiB
CMake
#.rst:
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# CMakeFindPackageMode
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# --------------------
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#
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#
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#
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# This file is executed by cmake when invoked with --find-package. It
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# expects that the following variables are set using -D:
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#
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# ``NAME``
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# name of the package
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# ``COMPILER_ID``
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# the CMake compiler ID for which the result is,
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# i.e. GNU/Intel/Clang/MSVC, etc.
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# ``LANGUAGE``
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# language for which the result will be used,
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# i.e. C/CXX/Fortan/ASM
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# ``MODE``
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# ``EXIST``
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# only check for existence of the given package
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# ``COMPILE``
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# print the flags needed for compiling an object file which uses
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# the given package
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# ``LINK``
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# print the flags needed for linking when using the given package
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# ``QUIET``
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# if TRUE, don't print anything
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#=============================================================================
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# Copyright 2006-2011 Alexander Neundorf, <neundorf@kde.org>
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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if(NOT NAME)
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message(FATAL_ERROR "Name of the package to be searched not specified. Set the CMake variable NAME, e.g. -DNAME=JPEG .")
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endif()
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if(NOT COMPILER_ID)
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message(FATAL_ERROR "COMPILER_ID argument not specified. In doubt, use GNU.")
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endif()
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if(NOT LANGUAGE)
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message(FATAL_ERROR "LANGUAGE argument not specified. Use C, CXX or Fortran.")
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endif()
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if(NOT MODE)
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message(FATAL_ERROR "MODE argument not specified. Use either EXIST, COMPILE or LINK.")
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endif()
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# require the current version. If we don't do this, Platforms/CYGWIN.cmake complains because
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# it doesn't know whether it should set WIN32 or not:
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cmake_minimum_required(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION} )
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macro(ENABLE_LANGUAGE)
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# disable the enable_language() command, otherwise --find-package breaks on Windows.
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# On Windows, enable_language(RC) is called in the platform files unconditionally.
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# But in --find-package mode, we don't want (and can't) enable any language.
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endmacro()
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set(CMAKE_PLATFORM_INFO_DIR ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY})
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include(CMakeDetermineSystem)
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# short-cut some tests on Darwin, see Darwin-GNU.cmake:
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if("${CMAKE_SYSTEM_NAME}" MATCHES Darwin AND "${COMPILER_ID}" MATCHES GNU)
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set(CMAKE_${LANGUAGE}_SYSROOT_FLAG "")
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set(CMAKE_${LANGUAGE}_OSX_DEPLOYMENT_TARGET_FLAG "")
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endif()
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# Also load the system specific file, which sets up e.g. the search paths.
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# This makes the FIND_XXX() calls work much better
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include(CMakeSystemSpecificInformation)
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if(UNIX)
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# try to guess whether we have a 64bit system, if it has not been set
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# from the outside
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if(NOT CMAKE_SIZEOF_VOID_P)
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set(CMAKE_SIZEOF_VOID_P 4)
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if(EXISTS /usr/lib64)
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set(CMAKE_SIZEOF_VOID_P 8)
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else()
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# use the file utility to check whether itself is 64 bit:
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find_program(FILE_EXECUTABLE file)
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if(FILE_EXECUTABLE)
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get_filename_component(FILE_ABSPATH "${FILE_EXECUTABLE}" ABSOLUTE)
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execute_process(COMMAND "${FILE_ABSPATH}" "${FILE_ABSPATH}" OUTPUT_VARIABLE fileOutput ERROR_QUIET)
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if("${fileOutput}" MATCHES "64-bit")
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set(CMAKE_SIZEOF_VOID_P 8)
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endif()
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endif()
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endif()
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endif()
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# guess Debian multiarch if it has not been set:
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if(EXISTS /etc/debian_version)
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if(NOT CMAKE_${LANGUAGE}_LANGUAGE_ARCHITECTURE )
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file(GLOB filesInLib RELATIVE /lib /lib/*-linux-gnu* )
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foreach(file ${filesInLib})
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if("${file}" MATCHES "${CMAKE_LIBRARY_ARCHITECTURE_REGEX}")
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set(CMAKE_${LANGUAGE}_LANGUAGE_ARCHITECTURE ${file})
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break()
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endif()
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endforeach()
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endif()
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endif()
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endif()
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set(CMAKE_${LANGUAGE}_COMPILER "dummy")
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set(CMAKE_${LANGUAGE}_COMPILER_ID "${COMPILER_ID}")
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include(CMake${LANGUAGE}Information)
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function(set_compile_flags_var _packageName)
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string(TOUPPER "${_packageName}" PACKAGE_NAME)
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# Check the following variables:
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# FOO_INCLUDE_DIRS
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# Foo_INCLUDE_DIRS
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# FOO_INCLUDES
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# Foo_INCLUDES
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# FOO_INCLUDE_DIR
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# Foo_INCLUDE_DIR
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set(includes)
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if(DEFINED ${_packageName}_INCLUDE_DIRS)
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set(includes ${_packageName}_INCLUDE_DIRS)
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elseif(DEFINED ${PACKAGE_NAME}_INCLUDE_DIRS)
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set(includes ${PACKAGE_NAME}_INCLUDE_DIRS)
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elseif(DEFINED ${_packageName}_INCLUDES)
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set(includes ${_packageName}_INCLUDES)
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elseif(DEFINED ${PACKAGE_NAME}_INCLUDES)
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set(includes ${PACKAGE_NAME}_INCLUDES)
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elseif(DEFINED ${_packageName}_INCLUDE_DIR)
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set(includes ${_packageName}_INCLUDE_DIR)
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elseif(DEFINED ${PACKAGE_NAME}_INCLUDE_DIR)
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set(includes ${PACKAGE_NAME}_INCLUDE_DIR)
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endif()
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set(PACKAGE_INCLUDE_DIRS "${${includes}}" PARENT_SCOPE)
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# Check the following variables:
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# FOO_DEFINITIONS
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# Foo_DEFINITIONS
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set(definitions)
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if(DEFINED ${_packageName}_DEFINITIONS)
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set(definitions ${_packageName}_DEFINITIONS)
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elseif(DEFINED ${PACKAGE_NAME}_DEFINITIONS)
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set(definitions ${PACKAGE_NAME}_DEFINITIONS)
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endif()
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set(PACKAGE_DEFINITIONS "${${definitions}}" )
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endfunction()
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function(set_link_flags_var _packageName)
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string(TOUPPER "${_packageName}" PACKAGE_NAME)
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# Check the following variables:
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# FOO_LIBRARIES
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# Foo_LIBRARIES
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# FOO_LIBS
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# Foo_LIBS
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set(libs)
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if(DEFINED ${_packageName}_LIBRARIES)
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set(libs ${_packageName}_LIBRARIES)
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elseif(DEFINED ${PACKAGE_NAME}_LIBRARIES)
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set(libs ${PACKAGE_NAME}_LIBRARIES)
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elseif(DEFINED ${_packageName}_LIBS)
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set(libs ${_packageName}_LIBS)
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elseif(DEFINED ${PACKAGE_NAME}_LIBS)
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set(libs ${PACKAGE_NAME}_LIBS)
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endif()
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set(PACKAGE_LIBRARIES "${${libs}}" PARENT_SCOPE )
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endfunction()
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find_package("${NAME}" QUIET)
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set(PACKAGE_FOUND FALSE)
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string(TOUPPER "${NAME}" UPPERCASE_NAME)
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if(${NAME}_FOUND OR ${UPPERCASE_NAME}_FOUND)
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set(PACKAGE_FOUND TRUE)
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if("${MODE}" STREQUAL "EXIST")
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# do nothing
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elseif("${MODE}" STREQUAL "COMPILE")
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set_compile_flags_var(${NAME})
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elseif("${MODE}" STREQUAL "LINK")
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set_link_flags_var(${NAME})
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else()
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message(FATAL_ERROR "Invalid mode argument ${MODE} given.")
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endif()
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endif()
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set(PACKAGE_QUIET ${SILENT} )
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