This is needed to run Python on the Hurd, especially during the build of
python-boot0.

Adapted from https://salsa.debian.org/glibc-team/glibc/-/blob/glibc-2.31/debian/patches/hurd-i386/unsubmitted-clock_t_centiseconds.diff

    commit d57f2f9b4bd007846af2fb4217486ea572579010
    Author: Richard Braun <rbraun@sceen.net>
    Date:   Tue Aug 27 11:35:31 2013 +0200

        Express CPU time (clock_t of times(2)) in centiseconds

From 170c292b643fdc1eb56881e6592b07c0c019993e Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <janneke@gnu.org>
Date: Mon, 2 Mar 2020 18:28:54 +0100
Subject: [PATCH 1/2] Express CPU time (clock_t) in centiseconds

---
 sysdeps/mach/hurd/clock.c     | 8 ++++----
 sysdeps/mach/hurd/getclktck.c | 5 ++---
 sysdeps/mach/hurd/setitimer.c | 2 +-
 sysdeps/mach/hurd/times.c     | 2 +-
 4 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/sysdeps/mach/hurd/clock.c b/sysdeps/mach/hurd/clock.c
index 7cb42df786..4db49b579d 100644
--- a/sysdeps/mach/hurd/clock.c
+++ b/sysdeps/mach/hurd/clock.c
@@ -44,10 +44,10 @@ clock (void)
   if (err)
     return __hurd_fail (err);
 
-  total = bi.user_time.seconds * 1000000 + bi.user_time.microseconds;
-  total += tti.user_time.seconds * 1000000 + tti.user_time.microseconds;
-  total += bi.system_time.seconds * 1000000 + bi.system_time.microseconds;
-  total += tti.system_time.seconds * 1000000 + tti.system_time.microseconds;
+  total = bi.user_time.seconds * 100 + bi.user_time.microseconds / 10000;
+  total += tti.user_time.seconds * 100 + tti.user_time.microseconds / 10000;
+  total += bi.system_time.seconds * 100 + bi.system_time.microseconds / 10000;
+  total += tti.system_time.seconds * 100 + tti.system_time.microseconds / 10000;
 
   return total;
 }
diff --git a/sysdeps/mach/hurd/getclktck.c b/sysdeps/mach/hurd/getclktck.c
index 943e36e805..5a3cf0930b 100644
--- a/sysdeps/mach/hurd/getclktck.c
+++ b/sysdeps/mach/hurd/getclktck.c
@@ -18,12 +18,11 @@
 
 #include <time.h>
 
-/* Return frequency of `times'.
-   Since Mach reports CPU times in microseconds, we always use 1 million.  */
+/* Return frequency of `times'.  */
 int
 __getclktck (void)
 {
-  return 1000000;
+  return 100;
 }
 
 /* Before glibc 2.2, the Hurd actually did this differently, so we
diff --git a/sysdeps/mach/hurd/setitimer.c b/sysdeps/mach/hurd/setitimer.c
index b16f4ddd5d..8bf1464830 100644
--- a/sysdeps/mach/hurd/setitimer.c
+++ b/sysdeps/mach/hurd/setitimer.c
@@ -43,7 +43,7 @@ quantize_timeval (struct timeval *tv)
   static time_t quantum = -1;
 
   if (quantum == -1)
-    quantum = 1000000 / __getclktck ();
+    quantum = 100 / __getclktck ();
 
   tv->tv_usec = ((tv->tv_usec + (quantum - 1)) / quantum) * quantum;
   if (tv->tv_usec >= 1000000)
diff --git a/sysdeps/mach/hurd/times.c b/sysdeps/mach/hurd/times.c
index 23ed992783..cbf6039b19 100644
--- a/sysdeps/mach/hurd/times.c
+++ b/sysdeps/mach/hurd/times.c
@@ -29,7 +29,7 @@
 static inline clock_t
 clock_from_time_value (const time_value_t *t)
 {
-  return t->seconds * 1000000 + t->microseconds;
+  return t->seconds * 100 + t->microseconds / 10000;
 }
 
 /* Store the CPU time used by this process and all its
-- 
2.24.0

ruby-rubocop-break-dependency-cycle.patch?id=4f204533b7183adadfe5cbe7f8bcd7d11c430b44'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2020-07-17 23:01:33 -0400'>2020-07-17</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/patches/ruby-rubocop-break-dependency-cycle.patch?id=c164c402a1899ffd2b2caba541b51e05855e94b8'>gnu: ruby-rubocop: Update to 0.88.0.</a></td><td>Maxim Cournoyer</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/patches/ruby-rubocop-break-dependency-cycle.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register patch.
* gnu/packages/ruby.scm (ruby-rubocop): Update to 0.88.0.
[origin]: Use git-fetch.  Apply the newly added patch.
[arguments]: Set #:test-target to "default".  Remove #:tests?, enabling tests.
[phases]{remove-problematic-tests, disable-bundler, set-home,
make-adoc-files-writable}: New phases.  Replace the 'replace-git-ls-files
phase.
[native-inputs]: Add ruby-bump, ruby-pry, ruby-rspec, ruby-test-queue,
ruby-webmock-2 and ruby-yard.
[propagated-inputs]: Remove ruby-powerpack and ruby-jaro-winkler.  Add
ruby-regexp-parser, ruby-rexml and ruby-rubocop-ast.


</td></tr>