Check for ar. Look in $PATH:/usr/ccs/bin, and stop with an error if

no ar can be found.

src/libraries/libisc-new/configure.in

@@ -19,7 +19,7 @@ dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 dnl Process this file with autoconf to produce a configure script.
 
-AC_REVISION($Revision: 1.7 $)dnl
+AC_REVISION($Revision: 1.8 $)dnl
 AC_PREREQ(2.53)
 AC_INIT(isc, 1.01)
 AC_CONFIG_SRCDIR([src/isc_master.c])
@@ -45,6 +45,11 @@ AC_HELP_STRING([--with-optimization@<:@=N@:>@],[specify level of optimization]),
 
 dnl Checks for programs.
 
+AC_PATH_PROG([AR], [ar], [notfound], [$PATH$PATH_SEPARATOR/usr/ccs/bin])
+AC_ARG_VAR([AR], [ar program to use])
+[if test "$AR" = "notfound"; then]
+    AC_MSG_ERROR([cannot find ``ar''])
+[fi]
 AC_PROG_CC
 AC_AIX
 AC_ISC_POSIX