+# -*- make -*-
+
+# This processes debian-doc sgml to produce html and plain text output
+
+# Input
+# $(SOURCE) - The documents to use
+
+# All output is writtin to files in the build doc directory
+
+# See defaults.mak for information about LOCAL
+
+# Some local definitions
+LOCAL := debiandoc-$(firstword $(SOURCE))
+$(LOCAL)-HTML := $(addsuffix .html,$(addprefix $(DOC)/,$(basename $(SOURCE))))
+$(LOCAL)-TEXT := $(addsuffix .text,$(addprefix $(DOC)/,$(basename $(SOURCE))))
+
+#---------
+
+# Rules to build HTML documentations
+ifdef DEBIANDOC_HTML
+
+# Install generation hooks
+doc: $($(LOCAL)-HTML)
+veryclean: veryclean/html/$(LOCAL)
+
+vpath %.sgml $(SUBDIRS)
+$(DOC)/%.html: %.sgml
+ echo Creating html for $< to $@
+ -rm -rf $@
+ (HERE=`pwd`; cd $(@D) && debiandoc2html $$HERE/$<)
+
+# Clean rule
+.PHONY: veryclean/html/$(LOCAL)
+veryclean/html/$(LOCAL):
+ -rm -rf $($(@F)-HTML)
+
+endif
+
+#---------
+
+# Rules to build Text documentations
+ifdef DEBIANDOC_TEXT
+
+# Install generation hooks
+doc: $($(LOCAL)-TEXT)
+veryclean: veryclean/text/$(LOCAL)
+
+vpath %.sgml $(SUBDIRS)
+$(DOC)/%.text: %.sgml
+ echo Creating text for $< to $@
+ debiandoc2text -O $< > $@
+
+# Clean rule
+.PHONY: veryclean/text/$(LOCAL)
+veryclean/text/$(LOCAL):
+ -rm -rf $($(@F)-TEXT)
+
+endif