meson: Make ncurses dependency a disabler when not found

This disables targets that require ncurses when it is not found.
Currently, targets requiring ncurses are built when it is not found.
Fixes #2929.

Signed-off-by: Jordan Williams <jordan@jwillikers.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/meson.build b/meson.build
index 4acc53c69a..8355457649 100644
--- a/meson.build
+++ b/meson.build
@@ -261,6 +261,7 @@ if lib_ncursesw.found()
 else
   lib_ncurses = dependency(
     'ncurses',
+    disabler : true,
     required : get_option('ncurses'))
   headers += ['ncurses.h',
               'term.h']