--- a/configure.ac
+++ b/configure.ac
@@ -197,7 +197,7 @@
 dnl Search for xsltproc which is required for building documentation
 dnl
 
-CAN_BUILD_COMMENTS=yes
+CAN_BUILD_COMMENTS=no
 
 AC_PATH_PROG([XSLTPROC], [xsltproc], [])
 if test "x$XSLTPROC" = "x"; then
