[NaCl SDK] Handle sources outside root in example 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_CC?=$(TC_PATH)/$(OSNAME)_x86_$(TOOLCHAIN)/newlib/bin/pnacl-clang -c
 PNACL_CXX?=$(TC_PATH)/$(OSNAME)_x86_$(TOOLCHAIN)/newlib/bin/pnacl-clang++ -c
 PNACL_LINK?=$(TC_PATH)/$(OSNAME)_x86_$(TOOLCHAIN)/newlib/bin/pnacl-clang++
 PNACL_LIB?=$(TC_PATH)/$(OSNAME)_x86_$(TOOLCHAIN)/newlib/bin/pnacl-ar r
 
 
 #
 # Compile Macro
 #
 # $1 = Source Name
 # $2 = Compile Flags
 # $3 = Include Directories
 #
 define C_COMPILER_RULE
--include $(OUTDIR)/$(basename $(1))_pnacl.d
-$(OUTDIR)/$(basename $(1))_pnacl.o : $(1) $(TOP_MAKE) | $(dir $(OUTDIR)/$(basename $(1)))dir.stamp
+-include $(call SRC_TO_DEP,$(1),_pnacl)
+$(call SRC_TO_OBJ,$(1),_pnacl): $(1) $(TOP_MAKE) | $(dir $(call SRC_TO_OBJ,$(1)))dir.stamp
         $(call LOG,CC,$$@,$(PNACL_CC) -o $$@ -c $$< $(POSIX_FLAGS) $(2) $(NACL_CFLAGS))
 endef
 
 define CXX_COMPILER_RULE
--include $(OUTDIR)/$(basename $(1))_pnacl.d
-$(OUTDIR)/$(basename $(1))_pnacl.o : $(1) $(TOP_MAKE) | $(dir $(OUTDIR)/$(basename $(1)))dir.stamp
+-include $(call SRC_TO_DEP,$(1))
+$(call SRC_TO_OBJ,$(1),_pnacl): $(1) $(TOP_MAKE) | $(dir $(call SRC_TO_OBJ,$(1)))dir.stamp
         $(call LOG,CXX,$$@,$(PNACL_CXX) -o $$@ -c $$< $(POSIX_FLAGS) $(2) $(NACL_CFLAGS))
 endef
 
 
 # $1 = Source Name
 # $2 = POSIX Compile Flags
 # $3 = Include Directories
 # $4 = VC Flags (unused)
 define COMPILE_RULE
-ifeq ('.c','$(suffix $(1))')
+ifeq ($(suffix $(1)),.c)
 $(call C_COMPILER_RULE,$(1),$(2) $(foreach inc,$(INC_PATHS),-I$(inc)) $(3))
 else
 $(call CXX_COMPILER_RULE,$(1),$(2) $(foreach inc,$(INC_PATHS),-I$(inc)) $(3))
 endif
 endef
 
 
 #
 # SO Macro
 #
 # $1 = Target Name
 # $2 = List of Sources
 #
 #
 define SO_RULE
 $(error 'Shared libraries not supported by PNaCl')
 endef
 
 
 #
 # LIB Macro
 #
 # $1 = Target Name
 # $2 = List of Sources
 # $3 = POSIX Link Flags
 # $4 = VC Link Flags (unused)
 define LIB_RULE
-$(STAMPDIR)/$(1).stamp : $(NACL_SDK_ROOT)/lib/$(TOOLCHAIN)/$(CONFIG)/lib$(1).a
+$(STAMPDIR)/$(1).stamp: $(NACL_SDK_ROOT)/lib/$(TOOLCHAIN)/$(CONFIG)/lib$(1).a
         @echo "TOUCHED $$@" > $(STAMPDIR)/$(1).stamp
 
 all: $(NACL_SDK_ROOT)/lib/$(TOOLCHAIN)/$(CONFIG)/lib$(1).a
-$(NACL_SDK_ROOT)/lib/$(TOOLCHAIN)/$(CONFIG)/lib$(1).a : $(foreach src,$(2),$(OUTDIR)/$(basename $(src))_pnacl.o)
+$(NACL_SDK_ROOT)/lib/$(TOOLCHAIN)/$(CONFIG)/lib$(1).a: $(foreach src,$(2),$(call SRC_TO_OBJ,$(src),_pnacl))
         $(MKDIR) -p $$(dir $$@)
         $(call LOG,LIB,$$@,$(PNACL_LIB) $$@ $$^ $(3))
 endef
 
 
 #
 # Specific Link Macro
 #
 # $1 = Target Name
 # $2 = List of inputs
 # $3 = List of libs
 # $4 = List of deps
 # $5 = List of lib dirs
 # $6 = Other Linker Args
 #
 define LINKER_RULE
 all: $(1)
-$(1) : $(2) $(foreach dep,$(4),$(STAMPDIR)/$(dep).stamp)
+$(1): $(2) $(foreach dep,$(4),$(STAMPDIR)/$(dep).stamp)
         $(call LOG,LINK,$$@,$(PNACL_LINK) -o $(1) $(2) $(foreach path,$(5),-L$(path)/pnacl/$(CONFIG)) $(foreach lib,$(3),-l$(lib)) $(6))
 endef
 
 
 #
 # Generalized Link Macro
 #
 # $1 = Target Name
 # $2 = List of Sources
 # $3 = List of LIBS
 # $4 = List of DEPS
 # $5 = POSIX Linker Switches
 # $6 = VC Linker Switches
 #
 define LINK_RULE
-$(call LINKER_RULE,$(OUTDIR)/$(1).pexe,$(foreach src,$(2),$(OUTDIR)/$(basename $(src))_pnacl.o),$(filter-out pthread,$(3)),$(4),$(LIB_PATHS),$(5))
+$(call LINKER_RULE,$(OUTDIR)/$(1).pexe,$(foreach src,$(2),$(call SRC_TO_OBJ,$(src),_pnacl)),$(filter-out pthread,$(3)),$(4),$(LIB_PATHS),$(5))
 endef
 
 
 
 #
 # NMF Manifiest generation
 #
 # Use the python script create_nmf to scan the binaries for dependencies using
 # objdump.  Pass in the (-L) paths to the default library toolchains so that we
 # can find those libraries and have it automatically copy the files (-s) to
 # the target directory for us.
 #
 # $1 = Target Name (the basename of the nmf
 # $2 = Additional create_nmf.py arguments
 #
 NMF:=python $(NACL_SDK_ROOT)/tools/create_nmf.py
 
 define NMF_RULE
 all:$(OUTDIR)/$(1).nmf
 $(OUTDIR)/$(1).nmf : $(OUTDIR)/$(1).pexe
         $(call LOG,CREATE_NMF,$$@,$(NMF) -o $$@ $$^ -s $(OUTDIR) $(2))
 endef
-

[noelallen1, 2013/03/07 20:06:25]

blank line.

-