Index: pth-2.0.2/pth.m4
===================================================================
--- pth-2.0.2.orig/pth.m4	2004-09-12 13:40:59.000000000 +0200
+++ pth-2.0.2/pth.m4	2008-05-03 16:31:46.000000000 +0200
@@ -40,7 +40,7 @@
 dnl ##
 dnl
 dnl #   auxilliary macros
-AC_DEFUN(_AC_PTH_ERROR, [dnl
+AC_DEFUN([_AC_PTH_ERROR], [dnl
 AC_MSG_RESULT([*FAILED*])
 m4_define(_ac_pth_line,dnl
 "+------------------------------------------------------------------------+")
@@ -51,13 +51,13 @@
 echo " _ac_pth_line" 1>&2
 exit 1
 ])
-AC_DEFUN(_AC_PTH_VERBOSE, [dnl
+AC_DEFUN([_AC_PTH_VERBOSE], [dnl
 if test ".$verbose" = .yes; then
     AC_MSG_RESULT([  $1])
 fi
 ])
 dnl #   the user macro
-AC_DEFUN(AC_CHECK_PTH, [dnl
+AC_DEFUN([AC_CHECK_PTH], [dnl
 dnl
 dnl #   prerequisites
 AC_REQUIRE([AC_PROG_CC])dnl
@@ -399,4 +399,3 @@
     ifelse([$6], , :, [$6])
 fi
 ])
-