$NetBSD: patch-as,v 1.20 2016/08/06 08:46:59 ryoon Exp $

* Treat DragonFly like FreeBSD.
* Add system ICU support

--- js/src/old-configure.in.orig	2016-07-25 20:22:08.000000000 +0000
+++ js/src/old-configure.in
@@ -1263,8 +1263,7 @@ AC_LANG_CPLUSPLUS
 
 MOZ_CXX11
 
-dnl Check for .hidden assembler directive and visibility attribute.
-dnl Borrowed from glibc configure.in
+dnl Setup default hidden visibility and wrapped system headers.
 dnl ===============================================================
 if test "$GNU_CC" -a "$OS_TARGET" != WINNT; then
   AC_DEFINE(HAVE_VISIBILITY_HIDDEN_ATTRIBUTE)
@@ -2613,6 +2612,16 @@ MOZ_CONFIG_ICU()
 dnl ========================================================
 dnl JavaScript shell
 dnl ========================================================
+ICU_LIB_NAMES=
+MOZ_SYSTEM_ICU=
+MOZ_ARG_WITH_BOOL(system-icu,
+[  --with-system-icu
+                          Use system icu (located with pkgconfig)],
+    MOZ_SYSTEM_ICU=1)
+
+if test -n "$MOZ_SYSTEM_ICU"; then
+    PKG_CHECK_MODULES(MOZ_ICU, icu-i18n >= 50.1)
+fi
 
 MOZ_CHECK_ALLOCATOR