[NaCl SDK] Add nacl_mounts to NaCl SDK build. Experimental for now.

native_client_sdk/src/build_tools/library.mk

 # 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.
 
 #
 # GNU Make based build file.  For details on GNU Make see:
 #   http://www.gnu.org/software/make/manual/make.html
 #
 
 #
 # Get pepper directory for toolchain and includes.
 #
 # If NACL_SDK_ROOT is not set, then assume it can be found a two directories up,
 # from the default example directory location.
 #
 THIS_MAKEFILE:=$(abspath $(lastword $(MAKEFILE_LIST)))
 NACL_SDK_ROOT?=$(abspath $(dir $(THIS_MAKEFILE))../..)
 CHROME_PATH?=Undefined
 
 #
 # Defaults
 #
 NACL_WARNINGS:=-Wno-long-long -Wall -Wswitch-enum -Werror -pedantic
 NACL_CCFLAGS:=-O0 -g -pthread $(NACL_WARNINGS)
 NACL_CXXFLAGS:= -O0 -g -pthread -std=gnu++98 $(NACL_WARNINGS)
 NACL_LDFLAGS:=-Wl,-as-needed -g -pthread -lppapi_cpp -lppapi 
 
+
+#
+# Compute path to requested NaCl Toolchain
+#
+OSNAME:=$(shell python $(NACL_SDK_ROOT)/tools/getos.py)
+TC_PATH:=$(abspath $(NACL_SDK_ROOT)/toolchain)
+
+
 #
 # Project Settings
 #
 __PROJECT_SETTINGS__
 
 #
 # Project Targets
 #
 __PROJECT_TARGETS__
 
 
 #
 # Alias for standard commands
 #
 CP:=python $(NACL_SDK_ROOT)/tools/oshelpers.py cp
 MKDIR:=python $(NACL_SDK_ROOT)/tools/oshelpers.py mkdir
 MV:=python $(NACL_SDK_ROOT)/tools/oshelpers.py mv
 RM:=python $(NACL_SDK_ROOT)/tools/oshelpers.py rm
 
 
 #
 # Verify we selected a valid toolchain for this example
 #
 ifeq (,$(findstring $(TOOLCHAIN),$(VALID_TOOLCHAINS)))
 $(warning Availbile choices are: $(VALID_TOOLCHAINS))
-$(error Can not use TOOLCHAIN=$(TOOLCHAIN) on this example.)
+$(error Can not use TOOLCHAIN=$(TOOLCHAIN) on this library.)
 endif
 
 
 #
-# Compute path to requested NaCl Toolchain
-#
-OSNAME:=$(shell python $(NACL_SDK_ROOT)/tools/getos.py)
-TC_PATH:=$(abspath $(NACL_SDK_ROOT)/toolchain)
-
-
-#
 # Verify we have a valid NACL_SDK_ROOT by looking for the toolchain directory
 #
 ifeq (,$(wildcard $(TC_PATH)))
 $(warning No valid NACL_SDK_ROOT at $(NACL_SDK_ROOT))
 ifeq ($(origin NACL_SDK_ROOT), 'file')
 $(error Override the default value via enviornment variable, or command-line.)
 else
 $(error Fix the NACL_SDK_ROOT specified in the environment or command-line.)
 endif
 endif
 
 
 #
 # Disable DOS PATH warning when using Cygwin based NaCl tools on Windows
 #
 CYGWIN ?= nodosfilewarning
 export CYGWIN
 
 
 #
 # Defaults for TOOLS
 #
 __PROJECT_TOOLS__
 
 __PROJECT_RULES__