remove wlroots dependency from common code

Removes the wlroots dependency from the common code. To remove the
dependency on the header, the defines and log-level enum are copied
over.
This causes a redefine error if both the wlr and the sway log.h are
included.

common/meson.build

@@ -17,7 +17,6 @@ lib_sway_common = static_library(
 		gdk_pixbuf,
 		pango,
 		pangocairo,
-		wlroots
 	],
 	include_directories: sway_inc
 )

include/log.h

@@ -1,12 +1,25 @@
 #ifndef _SWAY_LOG_H
 #define _SWAY_LOG_H
 
-#include <wlr/util/log.h>
 #include <stdbool.h>
 #include <stdarg.h>
 #include <string.h>
 #include <errno.h>
 
+typedef enum {
+	L_SILENT = 0,
+	L_ERROR = 1,
+	L_INFO = 2,
+	L_DEBUG = 3,
+	L_LAST,
+} log_importance_t;
+
+#ifdef __GNUC__
+#define ATTRIB_PRINTF(start, end) __attribute__((format(printf, start, end)))
+#else
+#define ATTRIB_PRINTF(start, end)
+#endif
+
 void _sway_abort(const char *filename, ...) ATTRIB_PRINTF(1, 2);
 #define sway_abort(FMT, ...) \
     _sway_abort("[%s:%d] " FMT, sway_strip_path(__FILE__), __LINE__, ##__VA_ARGS__)

sway/commands/focus.c

@@ -1,5 +1,4 @@
 #include <strings.h>
-#include <wlr/util/log.h>
 #include "log.h"
 #include "sway/input/input-manager.h"
 #include "sway/input/seat.h"

sway/commands/kill.c

@@ -1,4 +1,3 @@
-#include <wlr/util/log.h>
 #include "log.h"
 #include "sway/input/input-manager.h"
 #include "sway/input/seat.h"

sway/commands/resize.c

@@ -4,7 +4,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <strings.h>
-#include <wlr/util/log.h>
 #include "sway/commands.h"
 #include "sway/tree/arrange.h"
 #include "log.h"

sway/desktop/layer_shell.c

@@ -6,7 +6,6 @@
 #include <wlr/types/wlr_layer_shell.h>
 #include <wlr/types/wlr_output_damage.h>
 #include <wlr/types/wlr_output.h>
-#include <wlr/util/log.h>
 #include "sway/input/input-manager.h"
 #include "sway/input/seat.h"
 #include "sway/layers.h"

swaybar/bar.c

@@ -10,7 +10,6 @@
 #include <unistd.h>
 #include <wayland-client.h>
 #include <wayland-cursor.h>
-#include <wlr/util/log.h>
 #ifdef __FreeBSD__
 #include <dev/evdev/input-event-codes.h>
 #else

swaylock/main.c

@@ -14,7 +14,6 @@
 #include <unistd.h>
 #include <wayland-client.h>
 #include <wordexp.h>
-#include <wlr/util/log.h>
 #include "swaylock/seat.h"
 #include "swaylock/swaylock.h"
 #include "background-image.h"