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# ===========================================================================
# http://www.nongnu.org/autoconf-archive/ac_check_user.html
# ===========================================================================
#
# OBSOLETE MACRO
#
# Renamed to AX_CHECK_USER
#
# SYNOPSIS
#
# AC_CHECK_USER
#
# DESCRIPTION
#
# Check if the specified UNIX user exists, if yes set your environment
# variable to that username else unset your environment variable
#
# Example:
#
# AC_CHECK_USER(USER, [gleensalmon])
# if test x$USER = xgleensalmon; then
# bla..bla..bla..
# else
# bla..bla..bla..
# fi
#
# Besides checking existence, this macro also set these environment
# variables upon completion:
#
# USER_HOME = home directory of user, written in /etc/passwd
#
# LICENSE
#
# Copyright (c) 2008 Gleen Salmon <gleensalmon@yahoo.com>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
AU_ALIAS([AC_CHECK_USER], [AX_CHECK_USER])
AC_DEFUN([AC_CHECK_USER],[
AC_MSG_CHECKING([for user $2])
if grep ^$2: /etc/passwd > /dev/null; then
$1=$2
USER_HOME=`grep ^$2: /etc/passwd | sed "s/^\([[^:]]*:\)\{5\}\([[^:]]*\):[[^:]]*$/\2/"`
AC_MSG_RESULT([yes])
else
unset $1
unset USER_HOME
AC_MSG_RESULT([no])
fi;dnl
])
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