configure: Update comment about viewer.ml.

[libguestfs.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 5a0bb47..1f45322 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -167,9 +167,9 @@ if test "x$vmchannel_test" != "xno"; then
         vmchannel_guestfwd=guestfwd
     else
         AC_MSG_RESULT([no])
-       # Note that this test must be conditional on the previous
-       # test failing.  This is because recent qemu will throw
-       # up an SDL window and hang if we try to run this test.
+        # Note that this test must be conditional on the previous
+        # test failing.  This is because recent qemu will throw
+        # up an SDL window and hang if we try to run this test.
         AC_MSG_CHECKING([for "-net channel" (old guestfwd) support in $QEMU])
         vmchannelout=`$QEMU -net channel /dev/zero 2>&1 ||:`
         echo "vmchannel test command output: $vmchannelout" >&AS_MESSAGE_LOG_FD
@@ -416,6 +416,16 @@ AC_PROG_OCAML
 AC_PROG_FINDLIB
 AM_CONDITIONAL([HAVE_OCAML],[test "x$OCAMLC" != "xno" -a "x$OCAMLFIND" != "xno"])
 
+dnl Build the OCaml viewer example.  This has a lengthy list of
+dnl dependencies and we don't attempt to detect them all.  Read
+dnl the top of ocaml/examples/viewer.ml before enabling this.
+AC_ARG_ENABLE([ocaml-viewer],
+        [AS_HELP_STRING([--enable-ocaml-viewer],
+          [enable OCaml viewer (see ocaml/examples) @<:@default=no@:>@])],
+        [],
+        [enable_ocaml_viewer=no])
+AM_CONDITIONAL([BUILD_OCAML_VIEWER],[test "x$enable_ocaml_viewer" = "xyes"])
+
 dnl Check for Perl (optional, for Perl bindings).
 dnl XXX This isn't quite right, we should check for Perl devel library.
 AC_CHECK_PROG([PERL],[perl],[perl],[no])