Add C++ include path for NetBSD's /usr/include/g++, addresses

PR pkg/43237 by NAKAJIMA Yoshihiro.
This isn't too useful yet due to an incompatibility (apparently
a bug in gcc-4.1) which will be fixed soon.
bump PKGREVISION

lang/clang/Makefile

@@ -1,7 +1,8 @@
-# $NetBSD: Makefile,v 1.4 2010/04/27 15:12:08 drochner Exp $
+# $NetBSD: Makefile,v 1.5 2010/05/04 16:52:16 drochner Exp $
 #
 
 DISTNAME=	clang-2.7
+PKGREVISION=	1
 CATEGORIES=	lang
 MASTER_SITES=	http://llvm.org/releases/${PKGVERSION_NOREV}/
 DISTFILES=	llvm-2.7.tgz clang-2.7.tgz

lang/clang/distinfo

@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.3 2010/04/27 15:12:08 drochner Exp $
+$NetBSD: distinfo,v 1.4 2010/05/04 16:52:16 drochner Exp $
 
 SHA1 (clang-2.7.tgz) = 4d8326bfe2308a7355a5e4ca2eb172bffd761e1e
 RMD160 (clang-2.7.tgz) = 177fdcf59be4a60c37cf0dfb058535c9cdbbad4e
@@ -9,3 +9,4 @@ Size (llvm-2.7.tgz) = 8374297 bytes
 SHA1 (patch-ac) = 3b8b72035d391456c58ffb787284b1fb873b6732
 SHA1 (patch-ad) = b90fa4fa75ef1f7c8cb9475798bf7f8e53e6baa9
 SHA1 (patch-ae) = 7ace4a3835f5998fbd9582f531237977dc948849
+SHA1 (patch-af) = 440f939c1f3500e6a96b95f4ba63051c1e3f5f10

lang/clang/patches/patch-af

@@ -0,0 +1,14 @@
+$NetBSD: patch-af,v 1.1 2010/05/04 16:52:16 drochner Exp $
+
+--- tools/clang/lib/Frontend/InitHeaderSearch.cpp.orig	2010-05-04 10:43:04.000000000 +0000
++++ tools/clang/lib/Frontend/InitHeaderSearch.cpp
+@@ -637,6 +637,9 @@ void InitHeaderSearch::AddDefaultCPlusPl
+   case llvm::Triple::FreeBSD:
+     AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", "", "", "", triple);
+     break;
++  case llvm::Triple::NetBSD:
++    AddGnuCPlusPlusIncludePaths("/usr/include/g++", "", "", "", triple);
++    break;
+   case llvm::Triple::Solaris:
+     // Solaris - Fall though..
+   case llvm::Triple::AuroraUX: