-# SGML for the man pages
-NSGMLS = @NSGMLS@
-SGMLSPL = @SGMLSPL@
-DOCBOOK2MAN := $(wildcard /usr/lib/perl5/sgmlspl-specs/docbook2man-spec.pl)
+DOXYGEN = @DOXYGEN@
+
+# xsltproc for the man pages
+XSLTPROC := @XSLTPROC@
+
+# po4a for the man pages
+PO4A := @PO4A@
+
+# Gettext settings
+GMSGFMT = @GMSGFMT@
+XGETTEXT = @XGETTEXT@
+MSGCOMM:=$(dir $(XGETTEXT))/msgcomm
+MSGMERGE:=$(dir $(XGETTEXT))/msgmerge
+BASH = @BASH@