|  | # Copyright (C) 2009 The Android Open Source Project | 
|  | # | 
|  | # Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | # you may not use this file except in compliance with the License. | 
|  | # You may obtain a copy of the License at | 
|  | # | 
|  | # http://www.apache.org/licenses/LICENSE-2.0 | 
|  | # | 
|  | # Unless required by applicable law or agreed to in writing, software | 
|  | # distributed under the License is distributed on an "AS IS" BASIS, | 
|  | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | # See the License for the specific language governing permissions and | 
|  | # limitations under the License. | 
|  |  | 
|  | ASCIIDOC       ?= asciidoc | 
|  | ASCIIDOC_EXTRA ?= | 
|  | ASCIIDOC_VER   ?= 8.6.3 | 
|  |  | 
|  | all: html | 
|  |  | 
|  | clean: | 
|  | rm -f *.html | 
|  |  | 
|  | ASCIIDOC_EXE := $(shell which $(ASCIIDOC)) | 
|  | ifeq ($(wildcard $(ASCIIDOC_EXE)),) | 
|  | $(error $(ASCIIDOC) must be available) | 
|  | else | 
|  | ASCIIDOC_OK := $(shell expr `asciidoc --version | cut -f2 -d' '` \>= $(ASCIIDOC_VER)) | 
|  | ifeq ($(ASCIIDOC_OK),0) | 
|  | $(error $(ASCIIDOC) version $(ASCIIDOC_VER) or higher is required) | 
|  | endif | 
|  | endif | 
|  |  | 
|  | DOC_HTML := $(patsubst %.txt,%.html,$(wildcard *.txt)) | 
|  | REVISION := $(shell git describe HEAD | sed s/^v//) | 
|  |  | 
|  | html: $(DOC_HTML) | 
|  |  | 
|  | $(DOC_HTML): %.html : %.txt | 
|  | @echo "FORMAT $@" | 
|  | @rm -f $@+ $@ | 
|  | @$(ASCIIDOC) -a toc \ | 
|  | -a data-uri \ | 
|  | -a 'revision=$(REVISION)' \ | 
|  | -a 'newline=\n' \ | 
|  | -b xhtml11 \ | 
|  | -f asciidoc.conf \ | 
|  | $(ASCIIDOC_EXTRA) \ | 
|  | -o $@+ $< | 
|  | @mv $@+ $@ |