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>

diff --git a/configure.ac b/configure.ac
index f12e48d0c7ceec9ca6c31213f9ee29ed610deaf2..d02c85f3c9c87df70f1825203a1e50ba63dc1d75 100644 (file)
--- 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"])
 
        [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(
 AS_IF(
        [test "x$with_twin_x11" = "xyes" || test "x$with_twin_fbdev" = "xyes"],
        [PKG_CHECK_MODULES(