--- loncom/build/distprobe	2003/04/15 15:25:51	1.3
+++ loncom/build/distprobe	2007/04/23 20:04:52	1.12
@@ -1,6 +1,31 @@
 #!/usr/bin/perl
-
-# YEAR=2002
+#
+# The LearningOnline Network with CAPA
+#
+# $Id: distprobe,v 1.12 2007/04/23 20:04:52 raeburn Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA 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.
+#
+# LON-CAPA 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 LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
 
 my $dist='default';
 if (-e '/etc/redhat-release') {
@@ -8,14 +33,31 @@ if (-e '/etc/redhat-release') {
     my $versionstring=<IN>;
     chomp($versionstring);
     close(IN);
-    my $version=(split(/\s+/,$versionstring))[4];
-    if ($version=~/^7\./) {
-	$dist='redhat7';
-    } elsif ($version=~/^8\./) {
-	$dist='redhat8';
+    if ($versionstring =~ /^Red Hat Linux release ([\d\.]+) /) {
+        $version = $1;
+        if ($version=~/^7\./) {
+            $dist='redhat7';
+        } elsif ($version=~/^8\./) {
+            $dist='redhat8';
+        } elsif ($version=~/^9/) {
+            $dist='redhat9';
+        }
+    } elsif ($versionstring =~ /Fedora Core release ([\d\.]+) /) {
+	my $version=$1;
+	if ($version - int($version) > .9) {
+	    $dist = 'fedora'.(int($version)+1);
+	} else {
+	    $dist = 'fedora'.int($version);
+	}
+    } elsif ($versionstring =~ /Red Hat Enterprise Linux [AE]S release ([\d\.]+) /) {
+        $dist = 'rhes'.$1;
+    } elsif ($versionstring =~ /Red Hat Enterprise Linux Server release (\d+)/) {
+        $dist = 'rhes'.$1;
+    } else {
+        warn('Unable to interpret /etc/redhat-release '.
+             'to determine system type');
     }
-}
-elsif (-e '/etc/debian_version') {
+} elsif (-e '/etc/debian_version') {
     open(IN,'</etc/debian_version');
     my $version=<IN>;
     chomp($version);
@@ -23,9 +65,22 @@ elsif (-e '/etc/debian_version') {
     if ($version eq '2.2') {
 	$dist='debian2.2';
     }
-}
-else {
-    warn('Unknown installation filesystem; expecting debian version 2.2 '.
-	 'or redhat 6.* or 7.*');
+} elsif (-e '/etc/SuSE-release') {
+    open(IN,'</etc/SuSE-release');
+    my $versionstring=<IN>;
+    chomp($versionstring);
+    close(IN);
+    if ($versionstring =~ /^SUSE LINUX Enterprise Server ([\d\.]+) /i) {
+        $dist='sles'.$1;
+    } elsif ($versionstring =~ /^SuSE Linux ([\d\.]+) /i) {
+        $dist = 'suse'.$1;
+    } elsif ($versionstring =~ /^openSUSE ([\d\.]+) /i) {
+        $dist = 'suse'.$1;
+    } else {
+        warn('Unable to interpret /etc/SuSE-release '.
+             'to determine system type');
+    }
+} else {
+    warn('Unknown installation: expecting a debian, suse, or redhat system');
 }
 print $dist;