doc: refactor common asciidoc dependencies

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/Makefile b/Documentation/Makefile
index 2aae4c9cbb3503fa7e69a7dc0a774d7d15f92178..46d9b98dac63fc2ee6eb883895b344a7aae7e06d 100644 (file)
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -139,6 +139,7 @@ ASCIIDOC_CONF = -f asciidoc.conf
 ASCIIDOC_COMMON = $(ASCIIDOC) $(ASCIIDOC_EXTRA) $(ASCIIDOC_CONF) \
                -amanversion=$(GIT_VERSION) \
                -amanmanual='Git Manual' -amansource='Git'
+ASCIIDOC_DEPS = asciidoc.conf asciidoctor-extensions.rb GIT-ASCIIDOCFLAGS
 TXT_TO_HTML = $(ASCIIDOC_COMMON) -b $(ASCIIDOC_HTML)
 TXT_TO_XML = $(ASCIIDOC_COMMON) -b $(ASCIIDOC_DOCBOOK)
 MANPAGE_XSL = manpage-normal.xsl
@@ -354,12 +355,12 @@ clean:
        $(RM) manpage-base-url.xsl
        $(RM) GIT-ASCIIDOCFLAGS
 
-$(MAN_HTML): %.html : %.txt asciidoc.conf asciidoctor-extensions.rb GIT-ASCIIDOCFLAGS
+$(MAN_HTML): %.html : %.txt $(ASCIIDOC_DEPS)
        $(QUIET_ASCIIDOC)$(RM) $@+ $@ && \
        $(TXT_TO_HTML) -d manpage -o $@+ $< && \
        mv $@+ $@
 
-$(OBSOLETE_HTML): %.html : %.txto asciidoc.conf asciidoctor-extensions.rb GIT-ASCIIDOCFLAGS
+$(OBSOLETE_HTML): %.html : %.txto $(ASCIIDOC_DEPS)
        $(QUIET_ASCIIDOC)$(RM) $@+ $@ && \
        $(TXT_TO_HTML) -o $@+ $< && \
        mv $@+ $@
@@ -371,7 +372,7 @@ manpage-base-url.xsl: manpage-base-url.xsl.in
        $(QUIET_XMLTO)$(RM) $@ && \
        $(XMLTO) -m $(MANPAGE_XSL) $(XMLTO_EXTRA) man $<
 
-%.xml : %.txt asciidoc.conf asciidoctor-extensions.rb GIT-ASCIIDOCFLAGS
+%.xml : %.txt $(ASCIIDOC_DEPS)
        $(QUIET_ASCIIDOC)$(RM) $@+ $@ && \
        $(TXT_TO_XML) -d manpage -o $@+ $< && \
        mv $@+ $@