Add pnacl + newlib support to apr and apr-util.

Makefile

 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # Makefile
 #
 # usage: 'make [package]'
 #
 # This makefile builds all of the Native Client ports listed below
 # in $(ALL_PORTS). Each port has a dependency on its own sentinel
@@ skipping 304 matching lines @@
 $(SENT)/ports/SDL_mixer: ports/SDL ports/libogg ports/libvorbis ports/libmikmod
 $(SENT)/ports/SDL_image: ports/SDL ports/libpng ports/jpeg8d
 $(SENT)/ports/SDL_net: ports/SDL
 $(SENT)/ports/SDL_ttf: ports/SDL ports/freetype
 $(SENT)/ports/boost: ports/zlib ports/bzip2
 $(SENT)/ports/freealut: ports/openal-soft
 $(SENT)/ports/openal-ogg: ports/openal-soft ports/libvorbis
 $(SENT)/ports/opencv: ports/zlib ports/libpng ports/jpeg6b
 $(SENT)/ports/readline: ports/ncurses
 ifneq ($(NACL_GLIBC), 1)
+  $(SENT)/ports/apr: ports/glibc-compat
   $(SENT)/ports/git: ports/glibc-compat
   $(SENT)/ports/readline: ports/glibc-compat
   $(SENT)/ports/openssl: ports/glibc-compat
   $(SENT)/ports/ncurses: ports/glibc-compat
   $(SENT)/ports/netcat: ports/glibc-compat
 endif
 $(SENT)/ports/libmng: ports/zlib ports/jpeg8d
 $(SENT)/ports/lcms: ports/zlib ports/jpeg8d ports/tiff
 $(SENT)/ports/DevIL: ports/libpng ports/jpeg8d ports/libmng ports/tiff \
     ports/lcms
@@ skipping 120 matching lines @@
 snes9x: ports/snes9x ;
 subversion: ports/subversion ;
 texlive: ports/texlive ;
 toybox: ports/toybox ;
 thttpd: ports/thttpd ;
 openssh: ports/openssh ;
 # Deliberate space after vim target to avoid detection
 # as modeline string.
 vim : ports/vim ;
 xaos: ports/xaos ;