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wayland: silence annoying libwayland-client message

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libwayland-client contains the following code [1]:

	runtime_dir = getenv("XDG_RUNTIME_DIR");
	if (!runtime_dir) {
		fprintf(stderr,
			"error: XDG_RUNTIME_DIR not set in the environment.\n");

This means this message will unconditionally and unavoidably be printed
if XDG_RUNTIME_DIR is not set. Since mpv is a terminal program, and we
want to avoid unnecessary output, work it around by not attempting to
use wayland if this environment variable is not set.

[1] http://cgit.freedesktop.org/wayland/wayland/tree/src/wayland-client.c#n636
    (cd0dccd01e16fa404e03974d30ded3aebdb1c4bc)
This commit is contained in:
wm4 2014-01-07 01:06:28 +01:00
parent 326d887a41
commit 2c4c912c15
1 changed files with 3 additions and 0 deletions
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3
video/out/wayland_common.c
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@ -736,6 +736,9 @@ static void shedule_resize(struct vo_wayland_state *wl,
static bool create_display (struct vo_wayland_state *wl)
{
if (wl->vo->probing && !getenv("XDG_RUNTIME_DIR"))
return false;
wl->display.display = wl_display_connect(NULL);
if (!wl->display.display) {