X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=configure.ac;h=a4c98b313b9dc7bdd3859f62a59a27e5b329f079;hb=188a2997e0c96422498034daf2ebbb4fa8892897;hp=af13a959e9dc12a1a9c00381195e58f377f41649;hpb=f44a0550123be92245943d832df64134c5fd6241;p=platform%2Fupstream%2Fbtrfs-progs.git

diff --git a/configure.ac b/configure.ac
index af13a95..a4c98b3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -93,7 +93,11 @@ AC_SUBST([DISABLE_DOCUMENTATION])
 dnl detect tools to build documentation
 ASCIIDOC_TOOL="none"
 if test "x$enable_documentation" = xyes; then
-	AC_PATH_PROG([XMLTO], [xmlto], [xmlto])
+	AC_PATH_PROG([XMLTO], [xmlto])
+	if test -z "$XMLTO"; then
+		AC_MSG_ERROR([cannot find xmlto, cannot build documentation])
+	fi
+
 	AC_PATH_PROG([GZIP], [gzip], [gzip])
 	AC_PATH_PROG([MV], [mv], [mv])
 	AC_PROG_SED