2007-06-22  Peter O'Gorman  <address@hidden>

	* ltmain.in (version-number) [irix]: Don't subtract 1 from
	major as it may be less than age.

Index: ltmain.in
===================================================================
RCS file: /sources/libtool/libtool/Attic/ltmain.in,v
retrieving revision 1.334.2.141
diff -u -r1.334.2.141 ltmain.in
--- ltmain.in	28 May 2007 07:03:51 -0000	1.334.2.141
+++ ltmain.in	22 Jun 2007 05:29:22 -0000
@@ -3239,9 +3239,10 @@
 	    age="0"
 	    ;;
 	  irix|nonstopux)
-	    current=`expr $number_major + $number_minor - 1`
+	    current=`expr $number_major + $number_minor`
 	    age="$number_minor"
 	    revision="$number_minor"
+	    lt_irix_increment=no
 	    ;;
 	  esac
 	  ;;
@@ -3315,8 +3316,11 @@
 	  ;;
 
 	irix | nonstopux)
-	  major=`expr $current - $age + 1`
-
+	  if test "X$lt_irix_increment" = "Xno"; then
+	    major=`expr $current - $age`
+	  else
+	    major=`expr $current - $age + 1`
+	  fi
 	  case $version_type in
 	    nonstopux) verstring_prefix=nonstopux ;;
 	    *)         verstring_prefix=sgi ;;