1# 2# Copyright (C) 2007 The Android Open Source Project 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15# 16 17# When specifying "dist", the user has asked that we copy the important 18# files from this build into DIST_DIR. 19 20.PHONY: dist 21dist: ; 22 23dist_goal := $(strip $(filter dist,$(MAKECMDGOALS))) 24MAKECMDGOALS := $(strip $(filter-out dist,$(MAKECMDGOALS))) 25ifeq (,$(strip $(filter-out $(INTERNAL_MODIFIER_TARGETS),$(MAKECMDGOALS)))) 26# The commandline was something like "make dist" or "make dist showcommands". 27# Add a dependency on a real target. 28dist: $(DEFAULT_GOAL) 29endif 30 31ifdef dist_goal 32 33# $(1): source file 34# $(2): destination file 35# $(3): goals that should copy the file 36# 37define copy-one-dist-file 38$(3): $(2) 39$(2): $(1) 40 @echo "Dist: $$@" 41 $$(copy-file-to-new-target-with-cp) 42endef 43 44# A global variable to remember all dist'ed src:dst pairs. 45# So if a src:dst is already dist'ed by another goal, 46# we should just establish the dependency and don't really call the 47# copy-one-dist-file to avoid multiple rules for the same target. 48_all_dist_src_dst_pairs := 49# Other parts of the system should use this function to associate 50# certain files with certain goals. When those goals are built 51# and "dist" is specified, the marked files will be copied to DIST_DIR. 52# 53# $(1): a list of goals (e.g. droid, sdk, pdk, ndk) 54# $(2): the dist files to add to those goals. If the file contains ':', 55# the text following the colon is the name that the file is copied 56# to under the dist directory. Subdirs are ok, and will be created 57# at copy time if necessary. 58define dist-for-goals 59$(foreach file,$(2), \ 60 $(eval fw := $(subst :,$(space),$(file))) \ 61 $(eval src := $(word 1,$(fw))) \ 62 $(eval dst := $(word 2,$(fw))) \ 63 $(eval dst := $(if $(dst),$(dst),$(notdir $(src)))) \ 64 $(if $(filter $(_all_dist_src_dst_pairs),$(src):$(dst)),\ 65 $(eval $(call add-dependency,$(1),$(DIST_DIR)/$(dst))),\ 66 $(eval $(call copy-one-dist-file,\ 67 $(src),$(DIST_DIR)/$(dst),$(1)))\ 68 $(eval _all_dist_src_dst_pairs += $(src):$(dst))\ 69 )\ 70) 71endef 72 73else # !dist_goal 74 75# empty definition when not building dist 76define dist-for-goals 77endef 78 79endif # !dist_goal 80