X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=Documentation%2FMakefile;h=4797b2dc3522ccd2050ddefe990268fddb6b8a47;hb=8222153d8449cb1d0f9c4b06b7f7f5b0c5128205;hp=3f599524eaf2638ee865e8e743c08ce8b9129717;hpb=261fbda903762b9c47e4138312673ea25555d9e5;p=git.git

diff --git a/Documentation/Makefile b/Documentation/Makefile
index 3f599524e..4797b2dc3 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -104,6 +104,17 @@ ifdef DOCBOOK_SUPPRESS_SP
 XMLTO_EXTRA += -m manpage-suppress-sp.xsl
 endif
 
+# Newer DocBook stylesheet emits warning cruft in the output when
+# this is not set, and if set it shows an absolute link.  Older
+# stylesheets simply ignore this parameter.
+#
+# Distros may want to use MAN_BASE_URL=file:///path/to/git/docs/
+# or similar.
+ifndef MAN_BASE_URL
+MAN_BASE_URL = file://$(htmldir)/
+endif
+XMLTO_EXTRA += -m manpage-base-url.xsl
+
 # If your target system uses GNU groff, it may try to render
 # apostrophes as a "pretty" apostrophe using unicode.  This breaks
 # cut&paste, so you should set GNU_ROFF to force them to be ASCII
@@ -231,6 +242,7 @@ clean:
 	$(RM) howto-index.txt howto/*.html doc.dep
 	$(RM) technical/api-*.html technical/api-index.txt
 	$(RM) $(cmds_txt) *.made
+	$(RM) manpage-base-url.xsl
 
 $(MAN_HTML): %.html : %.txt
 	$(QUIET_ASCIIDOC)$(RM) $@+ $@ && \
@@ -238,7 +250,10 @@ $(MAN_HTML): %.html : %.txt
 		$(ASCIIDOC_EXTRA) -agit_version=$(GIT_VERSION) -o $@+ $< && \
 	mv $@+ $@
 
-%.1 %.5 %.7 : %.xml
+manpage-base-url.xsl: manpage-base-url.xsl.in
+	sed "s|@@MAN_BASE_URL@@|$(MAN_BASE_URL)|" $< > $@
+
+%.1 %.5 %.7 : %.xml manpage-base-url.xsl
 	$(QUIET_XMLTO)$(RM) $@ && \
 	xmlto -m $(MANPAGE_XSL) $(XMLTO_EXTRA) man $<