#!/usr/bin/perl
# Configure script for the sub-authentication daemon
# Inspired by LibUCW examples

use warnings;
use strict;

our($srcdir, $libdir);
BEGIN {
	# Find the sources
	my $pkgfile = "server/subauthd.c";
	if (!defined ($srcdir = $ENV{"SRCDIR"})) {
		if (-f $pkgfile) {
			$srcdir=".";
		} elsif ($0 =~ m@^(.*)/configure$@ && -f "$1/$pkgfile") {
			$srcdir=$1;
		} else {
			die "Don't know how to find myself. Please set SRCDIR manually.\n";
		}
	}
	# Ask pkg-config if libucw is installed and find its configure modules
	`pkg-config libucw --atleast-version=3.13`;
	!$? or die "Package `libucw' (version 3.13 or newer) not found. Is PKG_CONFIG_PATH set properly?\n";
	$libdir=`pkg-config libucw --variable=perl_modules_dir`;
	chomp $libdir;
	die "Unable to find the libucw configure system\n" if $? || not defined $libdir;
}
use lib $libdir;
use UCW::Configure;

Init($srcdir, 'default.cfg');
Log "### Configuring subauthd ###\n\n";
Include Get("CONFIG");
require UCW::Configure::Build;
require UCW::Configure::Paths;
require UCW::Configure::C;
use UCW::Configure::Pkg;

# Get some libraries
PkgConfig("libucw") or Fail("libucw is required");
PkgConfig("libucw-json") or Fail("libucw-json is required");
TrivConfig("libgcrypt", script => "libgcrypt-config", minversion => '1.6') or Fail("libgcrypt is required");

if (IsSet("CONFIG_APACHE_MOD")) {
	Log "Checking for apxs2 ... ";
	my $cf = TryCmd("apxs2 -q CFLAGS");
	my $ei = TryCmd("apxs2 -q EXTRA_INCLUDES");
	my $id = TryCmd("apxs2 -q INCLUDEDIR");
	if (!defined($cf) || !defined($id) || !defined($ei)) {
		Log "NO\n";
		Fail "Apache's apxs2 utility is required to build the Apache module.";
	}
	Log "YES\n";
	Set("APACHE2_CFLAGS" => "-g $cf $ei -I$id");
	Set("INSTALL_APACHE2_MOD_DIR" => '$(INSTALL_LIB_DIR)/apache2/modules');
	Set("INSTALL_APACHE2_CONFIG_DIR" => '$(INSTALL_PREFIX)etc/apache2');
}

require UCW::Configure::Doc;

Finish();

Log "\nConfigured, run `make' to build everything.\n";