+ifeq "$$(BUILD_DOCBOOK_PS)" "YES"
+$(call all-target,$1,ps_$1)
+
+.PHONY: ps_$1
+ps_$1 : $1/$2.ps
+
+$1/$2.ps: $$($1_DOCBOOK_SOURCES)
+ $$(DBLATEX) $$(DBLATEX_OPTS) $1/$2.xml --ps -o $$@
+endif
+
+ifeq "$$(BUILD_DOCBOOK_PDF)" "YES"
+$(call all-target,$1,pdf_$1)
+
+.PHONY: pdf_$1
+pdf_$1 : $1/$2.pdf
+
+$1/$2.pdf: $$($1_DOCBOOK_SOURCES)
+ $$(DBLATEX) $$(DBLATEX_OPTS) $1/$2.xml --pdf -o $$@
+endif
+