--- rt-4.4.1/lib/RT/Config.pm	2016-07-18 23:20:17.000000000 +0300
+++ rt-4.4.1/lib/RT/Config.pm	2017-01-31 15:55:54.536523370 +0300
@@ -1267,6 +1267,7 @@
         push @etc_dirs, RT->PluginDirs('etc') if $is_ext;
         push @etc_dirs, $RT::EtcPath, @INC;
         local @INC = @etc_dirs;
+	unshift @INC, $ENV{'RPM_BUILD_ROOT'}.'/etc/rt' if $ENV{'RPM_BUILD_ROOT'};
         eval { require $args{'File'} };
         if ( $@ && $@ !~ /did not return a true value/ ) {
             die $@;