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+## -----------------------------------------------------------------------
+##
+## Copyright 2012 Gene Cumm
+##
+## Some logic from win32/Makefile:
+## Copyright 1998-2008 H. Peter Anvin - All Rights Reserved
+## Copyright 2010 Intel Corporation; author: H. Peter Anvin
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, Inc., 53 Temple Place Ste 330,
+## Boston MA 02111-1307, USA; either version 2 of the License, or
+## (at your option) any later version; incorporated herein by reference.
+##
+## -----------------------------------------------------------------------
+
+##
+## AsciiDoc documentation for syslinux
+##
+
+topdir = ..
+MAKEDIR = $(topdir)/mk
+# include $(MAKEDIR)/embedded.mk
+
+A2X_OPTS = -k
+# A2X_OPTS += -v
+A2X_MAN_OPTS = -D man -f manpage
+
+DOCS = syslinux.txt syslinux-cli.txt syslinux.cfg.txt \
+ isolinux.txt pxelinux.txt
+MAN_DOCS = man/syslinux.1 man/syslinux-cli.1 man/syslinux.cfg.5 \
+ man/isolinux.1 man/pxelinux.1
+HTML_DOCS := $(patsubst %.txt,html/%.html,$(DOCS))
+XHTML_DOCS := $(patsubst %.txt,%.html,$(DOCS))
+# MAN_DOCS := $(patsubst %.txt,man/%.1,$(DOCS1)) $(patsubst %.txt,man/%.5,$(DOCS5))
+TEXT_DOCS := $(patsubst %.txt,%.text,$(DOCS))
+PDF_DOCS := $(patsubst %.txt,%.pdf,$(DOCS))
+TARGETS =
+
+# ASCIIDOC_OK := $(shell which asciidoc 2>&1 ; echo $$?)
+ASCIIDOC_OK := $(shell which asciidoc > /dev/null ; echo $$?)
+A2X_XML_OK := $(shell a2x $(A2X_OPTS) -f docbook hello.txt 2>&1 ; echo $$?)
+ifeq ($(A2X_XML_OK),0)
+A2X_MAN_OK := $(shell [ ! -d man ] && mkdir man ; a2x $(A2X_MAN_OPTS) hello.txt 2>&1 ; echo $$?)
+A2X_XHTML_OK := $(shell a2x $(A2X_OPTS) -f xhtml hello.xml 2>&1 ; echo $$?)
+A2X_TEXT_OK := $(shell a2x $(A2X_OPTS) -f text hello.xml 2>&1 ; echo $$?)
+endif
+
+ifeq ($(ASCIIDOC_OK),0)
+TARGETS += $(HTML_DOCS)
+endif
+ifeq ($(A2X_MAN_OK),0)
+TARGETS += $(MAN_DOCS)
+endif
+ifeq ($(A2X_XHTML_OK),0)
+TARGETS += $(XHTML_DOCS)
+endif
+ifeq ($(A2X_TEXT_OK),0)
+TARGETS += $(TEXT_DOCS)
+endif
+
+# $(HTML_DOCS) $(MAN_DOCS) $(XHTML_DOCS) $(TEXT_DOCS)
+all: $(TARGETS)
+
+syslinux.cfg.txt: com-bug.txt com-rpt.txt
+
+# During 'make all', *.xml is kept but deleted at the end; do we _really_
+# need the XML longer?
+.PRECIOUS: %.xml
+
+# %.html: %.txt
+# asciidoc -D html $<
+
+html/ man/ text/ xhtml/:
+ mkdir $@
+
+html/%.html: %.txt | html/
+ asciidoc -o $@ $<
+
+# As of AsciiDoc-8.5.2, altering the output filename for a2x does not appear possible
+# xhtml/%.html: %.txt
+# a2x $(A2X_OPTS) -D xhtml -f xhtml $<
+# text/%.text: %.xml %.txt
+# a2x $(A2X_OPTS) -D text -f text $<
+
+%.xml: %.txt
+ a2x $(A2X_OPTS) -f docbook $<
+
+# when %.xml is missing, an update to %.txt must force regeneration
+%.html: %.xml %.txt
+ a2x $(A2X_OPTS) -f xhtml $<
+
+man/%.1: %.txt | man/
+ a2x $(A2X_MAN_OPTS) $<
+
+man/%.5: %.txt | man/
+ a2x $(A2X_MAN_OPTS) $<
+
+%.text: %.xml %.txt
+ a2x $(A2X_OPTS) -f text $<
+
+%.pdf: %.xml %.txt
+ a2x $(A2X_OPTS) -f pdf $<
+
+tidy dist:
+ rm -f *~ *.xml *.text.html text/*.text.html text/*.xml xhtml/*.xml
+
+clean: tidy
+
+spotless: clean
+ rm -f *.1 *.5 *.css *.html *.text html/*.html man/*.1 man/*.5 text/*.text xhtml/*.html xhtml/*.css
+
+-include .*.d