+AM_CONDITIONAL([BUILD_MANPAGES], [test "x$XSLTPROC" != "x" -a "x$MANS" != "xno"])
+
+# check for offline man-pages stylesheet
+AC_MSG_CHECKING([for docbook manpages stylesheet])
+MANPAGES_STYLESHEET="http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl"
+AC_PATH_PROGS_FEATURE_CHECK([XSLTPROC_TMP], [xsltproc],
+ AS_IF([`"$ac_path_XSLTPROC_TMP" --nonet "$MANPAGES_STYLESHEET" > /dev/null 2>&1`],
+ [HAVE_MANPAGES_STYLESHEET=yes]))
+if test "x$HAVE_MANPAGES_STYLESHEET" = "xyes"; then
+ AC_SUBST(MANPAGES_STYLESHEET)
+ AC_MSG_RESULT([yes])
+else
+ AC_MSG_RESULT([no])
+fi
+AM_CONDITIONAL([HAVE_MANPAGES_STYLESHEET], [test "x$HAVE_MANPAGES_STYLESHEET" = "xyes"])