# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.

#.rst:
# CMakeBackwardCompatibilityCXX
# -----------------------------
#
# define a bunch of backwards compatibility variables
#
# ::
#
#   CMAKE_ANSI_CXXFLAGS - flag for ansi c++
#   CMAKE_HAS_ANSI_STRING_STREAM - has <strstream>
#   include(TestForANSIStreamHeaders)
#   include(CheckIncludeFileCXX)
#   include(TestForSTDNamespace)
#   include(TestForANSIForScope)

if(NOT CMAKE_SKIP_COMPATIBILITY_TESTS)
  # check for some ANSI flags in the CXX compiler if it is not gnu
  if(NOT CMAKE_COMPILER_IS_GNUCXX)
    include(TestCXXAcceptsFlag)
    set(CMAKE_TRY_ANSI_CXX_FLAGS "")
    if(CMAKE_SYSTEM_NAME MATCHES "IRIX")
      set(CMAKE_TRY_ANSI_CXX_FLAGS "-LANG:std")
    endif()
    if(CMAKE_SYSTEM_NAME MATCHES "OSF")
      set(CMAKE_TRY_ANSI_CXX_FLAGS "-std strict_ansi -nopure_cname")
    endif()
    # if CMAKE_TRY_ANSI_CXX_FLAGS has something in it, see
    # if the compiler accepts it
    if(NOT CMAKE_TRY_ANSI_CXX_FLAGS STREQUAL "")
      CHECK_CXX_ACCEPTS_FLAG(${CMAKE_TRY_ANSI_CXX_FLAGS} CMAKE_CXX_ACCEPTS_FLAGS)
      # if the compiler liked the flag then set CMAKE_ANSI_CXXFLAGS
      # to the flag
      if(CMAKE_CXX_ACCEPTS_FLAGS)
        set(CMAKE_ANSI_CXXFLAGS ${CMAKE_TRY_ANSI_CXX_FLAGS} CACHE INTERNAL
        "What flags are required by the c++ compiler to make it ansi." )
      endif()
    endif()
  endif()
  set(CMAKE_CXX_FLAGS_SAVE ${CMAKE_CXX_FLAGS})
  string(APPEND CMAKE_CXX_FLAGS " ${CMAKE_ANSI_CXXFLAGS}")
  include(TestForANSIStreamHeaders)
  include(CheckIncludeFileCXX)
  include(TestForSTDNamespace)
  include(TestForANSIForScope)
  include(TestForSSTREAM)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_SAVE}")
endif()

5953d2b8a58ba6b8ebd7a81f5c820'>diff</a><a href='/oss-git/CMake.git/stats/Source/cmMessageCommand.cxx?h=v3.18.5'>stats</a></td><td class='form'><form class='right' method='get' action='/oss-git/CMake.git/log/Source/cmMessageCommand.cxx'>
<input type='hidden' name='h' value='v3.18.5'/><input type='hidden' name='id' value='a6a43d532065953d2b8a58ba6b8ebd7a81f5c820'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='text' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/oss-git/CMake.git/commit/?h=v3.18.5&amp;id=a6a43d532065953d2b8a58ba6b8ebd7a81f5c820'>root</a>/<a href='/oss-git/CMake.git/commit/Source?h=v3.18.5&amp;id=a6a43d532065953d2b8a58ba6b8ebd7a81f5c820'>Source</a>/<a href='/oss-git/CMake.git/commit/Source/cmMessageCommand.cxx?h=v3.18.5&amp;id=a6a43d532065953d2b8a58ba6b8ebd7a81f5c820'>cmMessageCommand.cxx</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get' action='.'><input type='hidden' name='h' value='v3.18.5'/><input type='hidden' name='id' value='a6a43d532065953d2b8a58ba6b8ebd7a81f5c820'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Will Schroeder &lt;will.schroeder@kitware.com&gt;</td><td class='right'>2002-01-21 20:30:43 (GMT)</td></tr>
<tr><th>committer</th><td>Will Schroeder &lt;will.schroeder@kitware.com&gt;</td><td class='right'>2002-01-21 20:30:43 (GMT)</td></tr>
<tr><th>commit</th><td colspan='2' class='sha1'><a href='/oss-git/CMake.git/commit/Source/cmMessageCommand.cxx?h=v3.18.5&amp;id=a6a43d532065953d2b8a58ba6b8ebd7a81f5c820'>a6a43d532065953d2b8a58ba6b8ebd7a81f5c820</a> (<a href='/oss-git/CMake.git/patch/Source/cmMessageCommand.cxx?id=a6a43d532065953d2b8a58ba6b8ebd7a81f5c820'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='sha1'><a href='/oss-git/CMake.git/tree/?h=v3.18.5&amp;id=a6a43d532065953d2b8a58ba6b8ebd7a81f5c820'>39a02280659b8ffec19788734c9f6e0f25adf8fe</a> /<a href='/oss-git/CMake.git/tree/Source/cmMessageCommand.cxx?h=v3.18.5&amp;id=a6a43d532065953d2b8a58ba6b8ebd7a81f5c820'>Source/cmMessageCommand.cxx</a></td></tr>
<tr><th>parent</th><td colspan='2' class='sha1'><a href='/oss-git/CMake.git/commit/Source/cmMessageCommand.cxx?h=v3.18.5&amp;id=0cacb7123d08fb7c3850b86566e569436227ef50'>0cacb7123d08fb7c3850b86566e569436227ef50</a> (<a href='/oss-git/CMake.git/diff/Source/cmMessageCommand.cxx?h=v3.18.5&amp;id=a6a43d532065953d2b8a58ba6b8ebd7a81f5c820&amp;id2=0cacb7123d08fb7c3850b86566e569436227ef50'>diff</a>)</td></tr><tr><th>download</th><td colspan='2' class='sha1'><a href='/oss-git/CMake.git/snapshot/CMake-a6a43d532065953d2b8a58ba6b8ebd7a81f5c820.zip'>CMake-a6a43d532065953d2b8a58ba6b8ebd7a81f5c820.zip</a><br/><a href='/oss-git/CMake.git/snapshot/CMake-a6a43d532065953d2b8a58ba6b8ebd7a81f5c820.tar.gz'>CMake-a6a43d532065953d2b8a58ba6b8ebd7a81f5c820.tar.gz</a><br/><a href='/oss-git/CMake.git/snapshot/CMake-a6a43d532065953d2b8a58ba6b8ebd7a81f5c820.tar.bz2'>CMake-a6a43d532065953d2b8a58ba6b8ebd7a81f5c820.tar.bz2</a><br/></td></tr></table>
<div class='commit-subject'>ENH:Updated copyright<span class='decoration'></span></div><div class='commit-msg'></div>