'test' uses '=' not '=='

configure

@@ -14,7 +14,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 #
-# $Id: configure,v 1.462 2009/09/01 18:41:05 jinmei Exp $
+# $Id: configure,v 1.463 2009/09/04 00:46:09 marka Exp $
 #
 # Portions Copyright (C) 1996-2001  Nominum, Inc.
 #
@@ -26000,7 +26000,7 @@ fi
 case $want_symtable in
 yes|all|minimal)
 
-	if test "$PERL" == ""
+	if test "$PERL" = ""
 	then
 		{ { echo "$as_me:$LINENO: error: Internal symbol table requires perl but no perl is found.
 Install perl or explicitly disable the feature by --disable-symtable." >&5

configure.in

@@ -18,7 +18,7 @@ AC_DIVERT_PUSH(1)dnl
 esyscmd([sed "s/^/# /" COPYRIGHT])dnl
 AC_DIVERT_POP()dnl
 
-AC_REVISION($Revision: 1.476 $)
+AC_REVISION($Revision: 1.477 $)
 
 AC_INIT(lib/dns/name.c)
 AC_PREREQ(2.59)
@@ -1335,7 +1335,7 @@ AC_ARG_ENABLE(symtable,
 case $want_symtable in
 yes|all|minimal)
 	
-	if test "$PERL" == ""
+	if test "$PERL" = ""
 	then
 		AC_MSG_ERROR([Internal symbol table requires perl but no perl is found.
 Install perl or explicitly disable the feature by --disable-symtable.])