Pretend that stat's mtime is broken, so that the fontconfig cache does not
depend upon modification time to determine if a cache is stale.

diff --git a/src/fcstat.c b/src/fcstat.c
index 5a2bd7c..d603a96 100644
--- a/src/fcstat.c
+++ b/src/fcstat.c
@@ -431,6 +431,7 @@ FcIsFsMmapSafe (int fd)
 FcBool
 FcIsFsMtimeBroken (const FcChar8 *dir)
 {
+    return FcTrue;
     int fd = FcOpen ((const char *) dir, O_RDONLY);
 
     if (fd != -1)
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<tr><td><span title='2021-07-07 23:54:20 -0400'>2021-07-07</span></td><td><a href='/guix/commit/etc/openrc/guix-daemon.in?id=4cbe0127a668cbcc64087c5d311308b59d39b104'>guix-install.sh: Prompt for configuring substitutes discovery.</a><span class='msg-avail'>...<span class='msg-tooltip'>Also ensure prompt_yes_no always print the message with a trailing space,
which is more pleasing to the eye.

* etc/guix-daemon.conf.in &lt;--discover=no&gt;: New guix-daemon option.
* etc/guix-daemon.service.in: Likewise.
* etc/init.d/guix-daemon.in: Likewise.
* etc/openrc/guix-daemon.in: Likewise.
* etc/guix-install.sh (configure_substitute_discovery): New procedure.
(sys_enable_guix_daemon): Ask the user whether automatic substitute discovery
should be enabled.  Set the '--discover' argument accordingly.
(prompt_yes_no): Add a trailing space to the message.
(sys_authorize_build_farms): Remove trailing space from the message argument.
* NEWS (Distribution): Add news.
</span></span></td><td>Maxim Cournoyer</td></tr>