/usr/share/aclocal/ax_check_pgsql_db.m4 is in autoconf-archive 20140228-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# http://www.gnu.org/software/autoconf-archive/ax_check_pgsql_db.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_CHECK_PGSQL_DB([DB], [USER], [HOST], [PASSWORD], [ACTION_IF_FAILED], [ACTION_IF_OK])
#
# DESCRIPTION
#
# This macro checks wether we can connect to a PostgreSQL server with the
# given data. The macro AX_PROG_PGCLIENT is required by this one. The
# variable $pgclient_call is set for later use in Makefiles, if you'd like
# to make use of this, you must do
#
# AC_SUBST(pgclient_call)
#
# after having called AX_CHECK_PGSQL_DB. You can then do something like
# the following in your Makefile.am:
#
# @pgclient_call@ -f file.sql
#
# If you want the user to set the data, you should support something like
# these configure options:
#
# AC_ARG_WITH(pgsql-host,
# [ --with-pgsql-host=HOST server is running on HOST @<:@local socket@:>@],
# [pg_host=$withval], [pg_host=])
#
# AC_ARG_WITH(pgsql-db,
# [ --with-pgsql-db=DATABASE use DATABASE @<:@tarantoola@:>@],
# [pg_db=$withval], [pg_db=tarantoola])
#
# AC_ARG_WITH(pgsql-user,
# [ --with-pgsql-user=USER use USER @<:@postgres@:>@],
# [pg_user=$withval], [pg_user=postgres])
#
# AC_ARG_WITH(pgsql-password,
# [ --with-pgsql-password=PASSWORD use PASSWORD @<:@none@:>@],
# [pg_password=$withval], [pg_password=""])
#
# You can then call the macro like this:
#
# AX_CHECK_PGSQL_DB([$pg_db], [$pg_user], [$pg_host], [$pg_password], [AC_MSG_ERROR([We need a database connection!])])
#
# LICENSE
#
# Copyright (c) 2008 Moritz Sinn <moritz@freesources.org>
#
# 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.
#serial 5
AU_ALIAS([MS_CHECK_PGSQL_DB], [AX_CHECK_PGSQL_DB])
AC_DEFUN([AX_CHECK_PGSQL_DB], [
AC_REQUIRE([AX_PROG_PGCLIENT])
AC_MSG_CHECKING([for PostgreSQL db $1 (user: $2, host: $3)])
pgclient_call="$pgclient"
if test "x$1" != "x"; then
pgclient_call="$pgclient_call dbname=$1";
fi
if test "x$2" != "x"; then
pgclient_call="$pgclient_call user=$2";
fi
if test "x$3" != "x"; then
pgclient_call="$pgclient_call host=$3";
fi
if test "x$4" != "x"; then
pgclient_call="$pgclient_call password=$4";
fi
$pgclient_call -c 'SELECT 1' > /dev/null 2>&1
if test "x$?" = "x0"; then
AC_MSG_RESULT([yes])
$6
else
AC_MSG_RESULT([no])
$5
fi;
])dnl
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