From 41f3b4219b9298d9d09b637772c1731b30ec1199 Mon Sep 17 00:00:00 2001
From: Geoff Levand <geoff@infradead.org>
Date: Thu, 2 Aug 2018 17:29:33 +0000
Subject: [PATCH] configure: Add check for UI build

Emit configure warning if no UI program is to be built.

Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
---
 configure.ac | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/configure.ac b/configure.ac
index f12e48d..d02c85f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -135,6 +135,13 @@ AM_CONDITIONAL(
 	[WITH_TWIN],
 	[test "x$with_twin_x11" = "xyes" || test "x$with_twin_fbdev" = "xyes"])
 
+AS_IF(
+	[test "x$with_twin_x11" != "xyes" && \
+		test "x$with_twin_fbdev" != "xyes" && \
+		test "x$ax_cv_curses" != "xyes"],
+	[AC_MSG_WARN([ No user interface programs configured.  Consider using --with-ncurses, --with-twin-x11 or --with-twin-fbdev'])]
+)
+
 AS_IF(
 	[test "x$with_twin_x11" = "xyes" || test "x$with_twin_fbdev" = "xyes"],
 	[PKG_CHECK_MODULES(
-- 
2.39.2