+if HAVE_XSLTPROC
+documenters.h: $(top_srcdir)/help/C/viking.xml
+ $(XP) $(srcdir)/docbook2documenters.xsl $(top_srcdir)/help/C/viking.xml > $@
+else
+documenters.h:
+ rm -f $@
+ echo "/* Generated file. */" >> $@
+ echo "const gchar *DOCUMENTERS[] = {\\" >> $@
+ echo "NULL};" >> $@
+endif
+
+BUILT_SOURCES = authors.h documenters.h