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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
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<title>
Autoconf Macro: ms_check_pgsql_db
</title>
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<a href="http://autoconf-archive.cryp.to/ms_check_pgsql_db.m4">Download
M4 Source</a>
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<hr>
<h1>
ms_check_pgsql_db
</h1>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>MS_CHECK_PGSQL_DB([DB], [USER], [HOST], [PASSWORD],
[ACTION_IF_FAILED], [ACTION_IF_OK])</code>
</p>
<h2>
Description
</h2>
<div class="indent">
<p>
This macro checks wether we can connect to a PostgreSQL server with the
given data. The macro MS_PROG_PGCLIENT is required by this one. The
variable $pgclient_call is set for later use in Makefiles, if you'd like to
make use of this, you must do
</p>
<pre>
AC_SUBST(pgclient_call)
</pre>
<p>
after having called MS_CHECK_PGSQL_DB. You can then do something like the
following in your Makefile.am:
</p>
<pre>
@pgclient_call@ -f file.sql
</pre>
<p>
If you want the user to set the data, you should support something like
these configure options:
</p>
<pre>
AC_ARG_WITH(pgsql-host,
[ --with-pgsql-host=HOST server is running on HOST @<:@local socket@:>@],
[pg_host=$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=$withval], [pg_password=""])
</pre>
<p>
You can then call the macro like this:
</p>
<pre>
MS_CHECK_PGSQL_DB([$pg_db], [$pg_user], [$pg_host], [$pg_password], [AC_MSG_ERROR([We need a database connection!])])
</pre>
</div>
<h2>
Author
</h2>
<p class="indent">
Moritz Sinn <moritz@freesources.org>
</p>
<h2>
Last Modified
</h2>
<p class="indent">
2002-09-25
</p>
<h2>
M4 Source Code
</h2>
<div class="indent">
<pre class="m4source">
AC_DEFUN([MS_CHECK_PGSQL_DB], [
AC_REQUIRE([MS_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
</pre>
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</body>
</html>
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