Add '-xserver-keymap-dir' option to print .xkm file directory and exitxkbcomp-cache

This can be used by xkb file packages to clear any cached files when
new xkb configuration files are installed.

Signed-off-by: Keith Packard <keithp@keithp.com>

2 files changed, 10 insertions, 0 deletions

diff --git a/man/Xserver.man b/man/Xserver.man
index 8d243d6b7..86d715636 100644
--- a/man/Xserver.man
+++ b/man/Xserver.man
@@ -410,6 +410,12 @@ elapse between autorepeat-generated keystrokes).
 .TP 8
 .B \-xkbmap \fIfilename\fP
 loads keyboard description in \fIfilename\fP on server startup.
+.TP 8
+.B \-xserver-keymap-dir
+displays the directory used to hold compiled keymap files. The *.xkm
+files in this directory should be removed whenever the xkb source
+files change as the X server may cache compiled keymaps there to speed
+server startup.
 .SH "NETWORK CONNECTIONS"
 The X server supports client connections via a platform-dependent subset of
 the following transport types: TCP\/IP, Unix Domain sockets, DECnet,
diff --git a/xkb/xkbInit.c b/xkb/xkbInit.c
index 4e8e267da..437b2601e 100644
--- a/xkb/xkbInit.c
+++ b/xkb/xkbInit.c
@@ -751,6 +751,10 @@ XkbProcessArguments(int argc, char *argv[], int i)
         XkbDfltRepeatInterval = (long) atoi(argv[i]);
         return 2;
     }
+    if ((strcmp(argv[i], "-xserver-keymap-dir") == 0)) {                                /* -xserver-keymap-dir */
+        printf ("%s\n", XKM_OUTPUT_DIR);
+        exit(0);
+    }
     return 0;
 }