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86578eccf2
Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
63 lines
2.2 KiB
CMake
63 lines
2.2 KiB
CMake
# 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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# FindLibXml2
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# -----------
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#
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# Try to find the LibXml2 xml processing library
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#
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# Once done this will define
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#
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# ::
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#
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# LIBXML2_FOUND - System has LibXml2
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# LIBXML2_INCLUDE_DIR - The LibXml2 include directory
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# LIBXML2_LIBRARIES - The libraries needed to use LibXml2
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# LIBXML2_DEFINITIONS - Compiler switches required for using LibXml2
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# LIBXML2_XMLLINT_EXECUTABLE - The XML checking tool xmllint coming with LibXml2
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# LIBXML2_VERSION_STRING - the version of LibXml2 found (since CMake 2.8.8)
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# use pkg-config to get the directories and then use these values
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# in the find_path() and find_library() calls
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find_package(PkgConfig QUIET)
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PKG_CHECK_MODULES(PC_LIBXML QUIET libxml-2.0)
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set(LIBXML2_DEFINITIONS ${PC_LIBXML_CFLAGS_OTHER})
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find_path(LIBXML2_INCLUDE_DIR NAMES libxml/xpath.h
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HINTS
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${PC_LIBXML_INCLUDEDIR}
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${PC_LIBXML_INCLUDE_DIRS}
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PATH_SUFFIXES libxml2
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)
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find_library(LIBXML2_LIBRARIES NAMES xml2 libxml2
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HINTS
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${PC_LIBXML_LIBDIR}
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${PC_LIBXML_LIBRARY_DIRS}
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)
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find_program(LIBXML2_XMLLINT_EXECUTABLE xmllint)
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# for backwards compat. with KDE 4.0.x:
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set(XMLLINT_EXECUTABLE "${LIBXML2_XMLLINT_EXECUTABLE}")
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if(PC_LIBXML_VERSION)
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set(LIBXML2_VERSION_STRING ${PC_LIBXML_VERSION})
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elseif(LIBXML2_INCLUDE_DIR AND EXISTS "${LIBXML2_INCLUDE_DIR}/libxml/xmlversion.h")
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file(STRINGS "${LIBXML2_INCLUDE_DIR}/libxml/xmlversion.h" libxml2_version_str
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REGEX "^#define[\t ]+LIBXML_DOTTED_VERSION[\t ]+\".*\"")
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string(REGEX REPLACE "^#define[\t ]+LIBXML_DOTTED_VERSION[\t ]+\"([^\"]*)\".*" "\\1"
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LIBXML2_VERSION_STRING "${libxml2_version_str}")
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unset(libxml2_version_str)
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endif()
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# handle the QUIETLY and REQUIRED arguments and set LIBXML2_FOUND to TRUE if
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# all listed variables are TRUE
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibXml2
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REQUIRED_VARS LIBXML2_LIBRARIES LIBXML2_INCLUDE_DIR
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VERSION_VAR LIBXML2_VERSION_STRING)
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mark_as_advanced(LIBXML2_INCLUDE_DIR LIBXML2_LIBRARIES LIBXML2_XMLLINT_EXECUTABLE)
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