+if test "$DIR_DOCBOOK_XSL" = "" -o
+ test "$XsltprocCmd" = ""
+then
+ BUILD_DOCBOOK_HTML=NO
+else
+ BUILD_DOCBOOK_HTML=YES
+fi
+AC_SUBST(BUILD_DOCBOOK_HTML)
+
+if test "$DblatexCmd" = ""
+then
+ BUILD_DOCBOOK_PS=NO
+ BUILD_DOCBOOK_PDF=NO
+else
+ BUILD_DOCBOOK_PS=YES
+ BUILD_DOCBOOK_PDF=YES
+fi
+AC_SUBST(BUILD_DOCBOOK_PS)
+AC_SUBST(BUILD_DOCBOOK_PDF)
+