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#
# DMS Tools and Utilities
# Copyright (C) 2008 David M. Syzdek <david@syzdek.net>
#
# @SYZDEK_LICENSE_HEADER_START@
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of David M. Syzdek nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAVID M. SYZDEK BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# @SYZDEK_LICENSE_HEADER_END@
#
# acinclude.m4 - custom m4 macros used by configure.ac
#
# AC_DMS_GIT_PACKAGE_VERSION()
# -----------------------------------
AC_DEFUN([AC_DMS_GIT_PACKAGE_VERSION],[dnl
if test -f ${srcdir}/.git/config;then
GPV=$(git describe --abbrev=7 HEAD 2>/dev/null)
GPV=$(echo "$GPV" | sed -e 's/-/./g')
GPV=$(echo "$GPV" | sed -e 's/^v//g')
if test "x${GPV}" != "x";then
AC_MSG_NOTICE([using git package version ${GPV}])
if test -d ${ac_aux_dir};then
echo ${GPV} > ${ac_aux_dir}/git-package-version
fi
fi
elif test -f ${ac_aux_dir}/git-package-version;then
GPV=$(cat ${ac_aux_dir}/git-package-version)
if test -d ${ac_aux_dir};then
AC_MSG_NOTICE([using cached git package version ${GPV}])
fi
fi
if test "x${GPV}" = "x";then
AC_MSG_WARN([unable to determine package version from Git tags])
else
#
# set internal variables
GIT_PACKAGE_VERSION=${GPV}
PACKAGE_VERSION=${GPV}
VERSION=${GPV}
#
# set substitution variables
AC_SUBST([GIT_PACKAGE_VERSION], [${GPV}])
AC_SUBST([PACKAGE_VERSION], [${GPV}])
AC_SUBST([VERSION], [${GPV}])
#
# set C/C++/Objc preprocessor macros
AC_DEFINE_UNQUOTED([GIT_PACKAGE_VERSION], ["${GIT_PACKAGE_VERSION}"], [package version determined from git repository])
AC_DEFINE_UNQUOTED([PACKAGE_VERSION], ["${GIT_PACKAGE_VERSION}"], [package version determined from git repository])
AC_DEFINE_UNQUOTED([VERSION], ["${GIT_PACKAGE_VERSION}"], [package version determined from git repository])
fi
])dnl
# end of M4 file
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