Add XKB version of X11 keysyms

With this we're now completely standalone.

add vendor keysyms

Makefile.am

@@ -120,3 +120,11 @@ test_context_LDADD = $(TESTS_LDADD)
 check_PROGRAMS = $(TESTS)
 
 EXTRA_DIST = test/data
+
+# This sed script strips out lines that start with '#define _' which
+# removes #define _OSF_Keysyms and such.  The XK_Ydiaeresis case is to
+# handle a duplicate definition in HPkeysyms.h which kicks in if it's
+# not already defined.
+
+update-keysyms:
+	sed -e '/XK_Ydiaeresis\s*0x100000ee/d; /#define _/d; s/#define\s*\(\w*\)XK_/#define XKB_KEY_\1/; /\(#ifdef\|#ifndef\|#endif\)/d' $(KEYSYMDEFS) > include/xkbcommon/xkbcommon-keysyms.h

include/xkbcommon/xkbcommon.h

@@ -83,6 +83,8 @@ THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include <stddef.h>
 #include <stdint.h>
 
+#include <xkbcommon/xkbcommon-keysyms.h>
+
 typedef uint32_t xkb_keycode_t;
 typedef uint32_t xkb_keysym_t;
 typedef uint32_t xkb_mod_index_t;