Copied from Debian:

https://anonscm.debian.org/cgit/pkg-games/lierolibre.git/tree/debian/patches/0003-Remove-unknown-arch-warning.patch?id=82910748906855f6e6bfe30b3f077e8c793ae424

From a9592533eeabed075b13d11c64f63f503dc13343 Mon Sep 17 00:00:00 2001
From: Martin Erik Werner <martinerikwerner@gmail.com>
Date: Sun, 28 Jun 2015 19:31:30 +0200
Subject: [PATCH 3/3] Remove unknown arch warning

The warning was just excessivley spammy, remove it.
---
 support/platform.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/gvl/support/platform.h b/src/gvl/support/platform.h
index 1857b7c..ff6a7d2 100644
--- a/src/gvl/support/platform.h
+++ b/src/gvl/support/platform.h
@@ -87,8 +87,6 @@
 #  define GVL_X86_64 1
 # elif defined(__i386__) || defined(_M_IX86) || defined(i386) || defined(i486) || defined(intel) || defined(x86) || defined(i86pc)
 #  define GVL_X86 1
-# else
-#  warning "Unknown architecture, please add it"
 # endif
 #endif
 
-- 
2.4.6

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<div class='path'>path: <a href='/guix/log/?id=1ee72bb55b69796abc69d56a51b8eb3f42438be6'>root</a>/<a href='/guix/log/gnu?id=1ee72bb55b69796abc69d56a51b8eb3f42438be6'>gnu</a>/<a href='/guix/log/gnu/services?id=1ee72bb55b69796abc69d56a51b8eb3f42438be6'>services</a>/<a href='/guix/log/gnu/services/authentication.scm?id=1ee72bb55b69796abc69d56a51b8eb3f42438be6'>authentication.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/services/authentication.scm?id=1ee72bb55b69796abc69d56a51b8eb3f42438be6&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-04-24 22:21:35 +0200'>2019-04-24</span></td><td><a href='/guix/commit/gnu/services/authentication.scm?id=9374cbd1fb29395a5e849e95e8a249e5f9f944c0'>services: fprintd: Provide polkit policy.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/authentication.scm (fprintd-service-type)[extensions]: Add
polkit-service-type.
</span></span></td><td>Danny Milosavljevic</td></tr>
<tr><td><span title='2019-04-21 10:40:19 +0200'>2019-04-21</span></td><td><a href='/guix/commit/gnu/services/authentication.scm?id=dc01978288318a8155e2e2657be9b278a754ebac'>services: fprintd: Use define-configuration.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/authentication.scm: Use define-configuration in fprintd.
</span></span></td><td>Danny Milosavljevic</td></tr>
<tr><td><span title='2019-04-17 08:51:11 +0200'>2019-04-17</span></td><td><a href='/guix/commit/gnu/services/authentication.scm?id=0682f084635cdc289aabafc4b2583639e00a28b3'>services: fprintd: Fix service.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/authentication.scm (&lt;fprintd-configuration&gt;)[ntp]: Rename to...
[fprintd]: ...this.
(fprintd-dbus-service): New procedure.
(fprintd-service-type): Use it.
[default-value]: Add value.
</span></span></td><td>Danny Milosavljevic</td></tr>
<tr><td><span title='2019-03-20 20:31:15 +0100'>2019-03-20</span></td><td><a href='/guix/commit/gnu/services/authentication.scm?id=c16423f143919916a5273761d7ed29bd49f14519'>services: Add nslcd-service-type.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/authentication.scm (nslcd-service-type, nslcd-configuration,
%nslcd-accounts): New variables.
(uglify-field-name, value-&gt;string, serialize-field, serialize-list,
ssl-option?, tls-reqcert-option?, deref-option?,
comma-separated-list-of-strings?, serialize-ignore-users-option, log-option?,
serialize-log-option, valid-map?, scope-option?, serialize-scope-option,
map-entry?, list-of-map-entries?, filter-entry?, list-of-filter-entries?,
serialize-filter-entry, serialize-list-of-filter-entries, serialize-map-entry,
serialize-list-of-map-entries, nslcd-config-file, nslcd-etc-service,
nslcd-shepherd-service, pam-ldap-pam-services, pam-ldap-pam-service,
generate-nslcd-documentation): New procedures.
* gnu/tests/ldap.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
* doc/guix.texi (LDAP Services): Document it.
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2018-06-23 00:21:23 +0200'>2018-06-23</span></td><td><a href='/guix/commit/gnu/services/authentication.scm?id=812f6bd82dd584cc0551a687ec52315ae8ee4afb'>services: Fix "authentication" service name.</a><span class='msg-avail'>...<span class='msg-tooltip'>Follow-up to 7f93bbd5aadf0427190769fba8f478c29e37b4f4.

* gnu/services/authentication.scm: Fix module name.
</span></span></td><td>Danny Milosavljevic</td></tr>
<tr><td><span title='2018-06-23 00:14:27 +0200'>2018-06-23</span></td><td><a href='/guix/commit/gnu/services/authentication.scm?id=7f93bbd5aadf0427190769fba8f478c29e37b4f4'>services: Add fingerprint identification service.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/authentication.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
* doc/guix.texi (Miscellaneous Services): Document it.
</span></span></td><td>Danny Milosavljevic</td></tr>