Always run docbook scripts with the catalog as the first argument (taken
from DOCBOOK_CATALOG).
SGMLSTYLESHEET = $(FPTOOLS_TOP_ABS)/docs/fptools-both.dsl
-SRC_SGML2DVI_OPTS = -d $(SGMLSTYLESHEET)
-SRC_SGML2HTML_OPTS = -d $(SGMLSTYLESHEET)
-SRC_SGML2PS_OPTS = -d $(SGMLSTYLESHEET)
-SRC_SGML2RTF_OPTS = -d $(SGMLSTYLESHEET)
+SRC_SGML2DVI_OPTS = $(DOCBOOK_CATALOG) -d $(SGMLSTYLESHEET)
+SRC_SGML2HTML_OPTS = $(DOCBOOK_CATALOG) -d $(SGMLSTYLESHEET)
+SRC_SGML2PS_OPTS = $(DOCBOOK_CATALOG) -d $(SGMLSTYLESHEET)
+SRC_SGML2RTF_OPTS = $(DOCBOOK_CATALOG) -d $(SGMLSTYLESHEET)
DOCBOOK_CATALOG = $(FPTOOLS_TOP_ABS)/@Catalog@