Makefile: add a knob to enable the use of Asciidoctor

diff --git a/Documentation/Makefile b/Documentation/Makefile
index eecc27aba29af3c7a258ef6e17aadb912db5512f..2057a353631770ba81956c86e70cbca5a7fa6e8e 100644 (file)
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -120,6 +120,7 @@ INSTALL_INFO = install-info
 DOCBOOK2X_TEXI = docbook2x-texi
 DBLATEX = dblatex
 ASCIIDOC_DBLATEX_DIR = /etc/asciidoc/dblatex
+DBLATEX_COMMON = -p $(ASCIIDOC_DBLATEX_DIR)/asciidoc-dblatex.xsl -s $(ASCIIDOC_DBLATEX_DIR)/asciidoc-dblatex.sty
 ifndef PERL_PATH
        PERL_PATH = /usr/bin/perl
 endif
@@ -173,6 +174,18 @@ ifdef GNU_ROFF
 XMLTO_EXTRA += -m manpage-quote-apos.xsl
 endif
 
+ifdef USE_ASCIIDOCTOR
+ASCIIDOC = asciidoctor
+ASCIIDOC_CONF =
+ASCIIDOC_HTML = xhtml5
+ASCIIDOC_DOCBOOK = docbook45
+ifdef ASCIIDOCTOR_EXTENSIONS_LAB
+ASCIIDOC_EXTRA = -I$(ASCIIDOCTOR_EXTENSIONS_LAB) -rasciidoctor/extensions -rman-inline-macro
+endif
+ASCIIDOC_EXTRA += -alitdd='&\#x2d;&\#x2d;'
+DBLATEX_COMMON =
+endif
+
 SHELL_PATH ?= $(SHELL)
 # Shell quote;
 SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
@@ -368,7 +381,7 @@ user-manual.texi: user-manual.xml
 
 user-manual.pdf: user-manual.xml
        $(QUIET_DBLATEX)$(RM) $@+ $@ && \
-       $(DBLATEX) -o $@+ -p $(ASCIIDOC_DBLATEX_DIR)/asciidoc-dblatex.xsl -s $(ASCIIDOC_DBLATEX_DIR)/asciidoc-dblatex.sty $< && \
+       $(DBLATEX) -o $@+ $(DBLATEX_COMMON) $< && \
        mv $@+ $@
 
 gitman.texi: $(MAN_XML) cat-texi.perl texi.xsl