diff -Nru asterisk-1.4.23.1.org/autoconf/ast_check_openh323.m4 asterisk-1.4.23.1/autoconf/ast_check_openh323.m4
--- asterisk-1.4.23.1.org/autoconf/ast_check_openh323.m4	2008-10-20 06:57:33.000000000 +0200
+++ asterisk-1.4.23.1/autoconf/ast_check_openh323.m4	2009-01-31 15:30:03.000000000 +0100
@@ -119,6 +119,7 @@
 				;;
 		esac
 		AC_MSG_RESULT(${OPENH323_BUILD})
+		OPENH323_SUFFIX="n_s"
 
 		AC_SUBST([OPENH323_SUFFIX])
 		AC_SUBST([OPENH323_BUILD])
diff -Nru asterisk-1.4.23.1.org/configure.ac asterisk-1.4.23.1/configure.ac
--- asterisk-1.4.23.1.org/configure.ac	2008-12-15 18:43:59.000000000 +0100
+++ asterisk-1.4.23.1/configure.ac	2009-01-31 15:29:14.000000000 +0100
@@ -1278,7 +1278,7 @@
 	if test "${HAS_PWLIB:-unset}" != "unset"; then
 		AST_CHECK_PWLIB_PLATFORM()
 
-		PLATFORM_PWLIB="pt_${PWLIB_PLATFORM}_r"
+		PLATFORM_PWLIB="pt_${PWLIB_PLATFORM}_r_s"
 
 		AST_CHECK_PWLIB_BUILD([PWLib], [PWLIB],
 			[Define if your system has the PWLib libraries.],