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# ===========================================================================
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# ===========================================================================
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# Discover whether or not we are operating with a tree which
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# has been checked out of a version control system.
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# Copyright (C) 2012 Brian Aker
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# All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# * The names of its contributors may not be used to endorse or
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# promote products derived from this software without specific prior
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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AC_DEFUN([AX_VCS_SYSTEM],
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AC_CACHE_CHECK([for vcs system], [ac_cv_vcs_system],
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[ac_cv_vcs_system="none"
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AS_IF([test -d ".bzr"],[ac_cv_vcs_system="bazaar"])
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AS_IF([test -d ".svn"],[ac_cv_vcs_system="svn"])
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AS_IF([test -d ".hg"],[ac_cv_vcs_system="mercurial"])
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AS_IF([test -d ".git"],[ac_cv_vcs_system="git"])
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AC_DEFINE_UNQUOTED([VCS_SYSTEM],["$ac_cv_vcs_system"],[VCS system])
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AC_DEFUN([AX_VCS_CHECKOUT],
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AC_REQUIRE([AX_VCS_SYSTEM])
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AC_CACHE_CHECK([for vcs checkout],[ac_cv_vcs_checkout],
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[AS_IF([test "x$ac_cv_vcs_system" != "xnone"],
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[ac_cv_vcs_checkout=yes],
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[ac_cv_vcs_checkout=no])
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AM_CONDITIONAL([IS_VCS_CHECKOUT],[test "x$ac_cv_vcs_checkout" = "xyes"])
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AS_IF([test "x$ac_cv_vcs_checkout" = "xyes"],
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[AC_DEFINE([VCS_CHECKOUT],[1],[Define if the code was built from VCS.])],
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[AC_DEFINE([VCS_CHECKOUT],[0],[Define if the code was built from VCS.])])
added
removed
m4/ax_vcs_checkout.m4
