Use 'uname -m', which in practice returns the processor architecture.

--- psm-3.3/buildflags.mak~	2014-08-20 21:00:18.000000000 +0100
+++ psm-3.3/buildflags.mak	2017-10-22 12:02:12.855291447 +0100
@@ -38,7 +38,7 @@
 endif
 
 export os ?= $(shell uname -s | tr '[A-Z]' '[a-z]')
-export arch := $(shell uname -p | sed -e 's,\(i[456]86\|athlon$$\),i386,')
+export arch := $(shell uname -m | sed -e 's,\(i[456]86\|athlon$$\),i386,')
 
 CC ?= gcc
 
it.koszko.org/cgit-static/cgit.png' alt='cgit logo'/></a></td>
<td class='main'><a href='/'>index</a> : <a href='/guix/'>guix</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='0e4b36f21c9a9bf0f056a41358b1407ad02fffe4'/><select name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=0e4b36f21c9a9bf0f056a41358b1407ad02fffe4'>refs</a><a class='active' href='/guix/log/gnu/tests/ssh.scm'>log</a><a href='/guix/tree/gnu/tests/ssh.scm?id=0e4b36f21c9a9bf0f056a41358b1407ad02fffe4'>tree</a><a href='/guix/commit/gnu/tests/ssh.scm?id=0e4b36f21c9a9bf0f056a41358b1407ad02fffe4'>commit</a><a href='/guix/diff/gnu/tests/ssh.scm?id=0e4b36f21c9a9bf0f056a41358b1407ad02fffe4'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/tests/ssh.scm'>
<input type='hidden' name='id' value='0e4b36f21c9a9bf0f056a41358b1407ad02fffe4'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=0e4b36f21c9a9bf0f056a41358b1407ad02fffe4'>root</a>/<a href='/guix/log/gnu?id=0e4b36f21c9a9bf0f056a41358b1407ad02fffe4'>gnu</a>/<a href='/guix/log/gnu/tests?id=0e4b36f21c9a9bf0f056a41358b1407ad02fffe4'>tests</a>/<a href='/guix/log/gnu/tests/ssh.scm?id=0e4b36f21c9a9bf0f056a41358b1407ad02fffe4'>ssh.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/tests/ssh.scm?id=0e4b36f21c9a9bf0f056a41358b1407ad02fffe4&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-12-09 23:15:44 +0100'>2024-12-09</span></td><td><a href='/guix/commit/gnu/tests/ssh.scm?id=e7cd328714be93ed6a931c9110b52adc7b439752'>tests: Adjust for new return value of ‘start-service’.</a><span class='msg-avail'>...<span class='msg-tooltip'>In Shepherd 1.0, the “running value” of processes is no longer a plain
integer; instead, it is a (process …) sexp.  This commit adjusts tests
to this change in a way that works both for 1.0 and for previous
versions.

* gnu/tests/databases.scm (run-memcached-test)
(run-mysql-test): Don’t expect PID to be a number.
* gnu/tests/docker.scm (run-docker-test)
(run-docker-system-test, run-oci-container-test): Likewise.
* gnu/tests/guix.scm (run-guix-build-coordinator-test)
(run-guix-data-service-test, run-nar-herder-test)
(run-bffe-test): Likewise.
* gnu/tests/ldap.scm (run-ldap-test): Likewise.
* gnu/tests/monitoring.scm (run-prometheus-node-exporter-server-test):
Likewise.
* gnu/tests/virtualization.scm (run-libvirt-test)
(run-qemu-guest-agent-test, run-childhurd-test): Likewise.
* gnu/tests/web.scm (run-webserver-test, run-php-fpm-test)
(run-hpcguix-web-server-test, run-patchwork-test)
(run-agate-test): Likewise
* gnu/tests/ssh.scm (run-ssh-test): Accept a number, an ‘inetd-service’
sexp, or a ‘process’ sexp.

Change-Id: I8c7a37a981f0788780fbc33752a38e7f9a026437
</span></span></td><td>Ludovic Courtès</td></tr>