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annotate cmake/FindHg.cmake @ 1395:a2574a029322

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Fix Base 64 signature size calculation. If the signature byte size is not equally dividable by three the base 64 encoding needs three additional bytes. The value is now fixed to avoid such errors in the future.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 26 Jan 2015 13:17:32 +0100
parents a2998ae79436
children
rev   line source
533
b8b3d922bf0d Add FindHg from cmake 2.8.12
Andre Heinecke <aheinecke@intevation.de>
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1 # The module defines the following variables:
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2 # HG_EXECUTABLE - path to mercurial command line client (hg)
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3 # HG_FOUND - true if the command line client was found
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4 # HG_VERSION_STRING - the version of mercurial found
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5 # Example usage:
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6 # find_package(Hg)
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7 # if(HG_FOUND)
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8 # message("hg found: ${HG_EXECUTABLE}")
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9 # endif()
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10
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11 #=============================================================================
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12 # Copyright 2010-2012 Kitware, Inc.
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13 # Copyright 2012 Rolf Eike Beer <eike@sf-mail.de>
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14 #
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15 # Distributed under the OSI-approved BSD License (the "License");
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16 # see accompanying file Copyright.txt for details.
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17 #
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18 # This software is distributed WITHOUT ANY WARRANTY; without even the
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19 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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20 # See the License for more information.
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21 #=============================================================================
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22 # (To distribute this file outside of CMake, substitute the full
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23 # License text for the above reference.)
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24
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25 find_program(HG_EXECUTABLE
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26 NAMES hg
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27 PATH_SUFFIXES Mercurial
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28 DOC "hg command line client"
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29 )
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30 mark_as_advanced(HG_EXECUTABLE)
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31
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32 if(HG_EXECUTABLE)
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33 execute_process(COMMAND ${HG_EXECUTABLE} --version
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34 OUTPUT_VARIABLE hg_version
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35 ERROR_QUIET
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36 OUTPUT_STRIP_TRAILING_WHITESPACE)
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37 if(hg_version MATCHES "^Mercurial Distributed SCM \\(version ([0-9][^)]*)\\)")
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38 set(HG_VERSION_STRING "${CMAKE_MATCH_1}")
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39 endif()
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40 unset(hg_version)
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41 endif()
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42
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43 # Handle the QUIETLY and REQUIRED arguments and set HG_FOUND to TRUE if
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44 # all listed variables are TRUE
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45 include(FindPackageHandleStandardArgs)
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46 find_package_handle_standard_args(Hg
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47 REQUIRED_VARS HG_EXECUTABLE
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48 VERSION_VAR HG_VERSION_STRING)
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