[NaCl SDK] Use nacl_config.py in common.mk build system.

native_client_sdk/src/tools/nacl_llvm.mk

 # Copyright (c) 2012 The Chromium 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
 #
 
 #
 # Paths to Tools
 #
-PNACL_BIN = $(TC_PATH)/$(OSNAME)_$(TOOLCHAIN)/bin
-PNACL_CC ?= $(PNACL_BIN)/pnacl-clang -c
-PNACL_CXX ?= $(PNACL_BIN)/pnacl-clang++ -c
-PNACL_LINK ?= $(PNACL_BIN)/pnacl-clang++
-PNACL_LIB ?= $(PNACL_BIN)/pnacl-ar
-PNACL_STRIP ?= $(PNACL_BIN)/pnacl-strip
-PNACL_FINALIZE ?= $(PNACL_BIN)/pnacl-finalize
-PNACL_TRANSLATE ?= $(PNACL_BIN)/pnacl-translate
+PNACL_CC ?= $(shell $(NACL_CONFIG) -t $(TOOLCHAIN) --tool=cc)
+PNACL_CXX ?= $(shell $(NACL_CONFIG) -t $(TOOLCHAIN) --tool=c++)
+PNACL_LINK ?= $(shell $(NACL_CONFIG) -t $(TOOLCHAIN) --tool=c++)
+PNACL_LIB ?= $(shell $(NACL_CONFIG) -t $(TOOLCHAIN) --tool=ar)
+PNACL_STRIP ?= $(shell $(NACL_CONFIG) -t $(TOOLCHAIN) --tool=strip)
+PNACL_FINALIZE ?= $(shell $(NACL_CONFIG) -t $(TOOLCHAIN) --tool=finalize)
+PNACL_TRANSLATE ?= $(shell $(NACL_CONFIG) -t $(TOOLCHAIN) --tool=translate)
 
 #
 # Compile Macro
 #
 # $1 = Source Name
 # $2 = Compile Flags
 # $3 = Include Directories
 #
 define C_COMPILER_RULE
 -include $(call SRC_TO_DEP,$(1))
@@ skipping 156 matching lines @@
 $(OUTDIR)/$(1).html: $(EXECUTABLES)
         $(call LOG,CREATE_HTML,$$@,$(CREATE_HTML) -o $$@ $$^)
 endef
 
 
 #
 # Determine which executable to pass into the debugger.  For pnacl, this is
 # the .bc -> .nexe translated app.
 #
 GDB_DEBUG_TARGET = $(abspath $(OUTDIR))/$(TARGET)_$(SYSARCH).nexe