Upstream status: Not upstreamed.

The build system refuses to cross-compile for unknown targets
even though it works fine.  Add GNU/Hurd target.

--- Python-3.8.5/configure.orig	2020-10-26 14:06:09.665423525 +0100
+++ Python-3.8.5/configure	2020-10-26 14:08:30.987765738 +0100
@@ -3278,6 +3278,9 @@
 	*-*-vxworks*)
 	    ac_sys_system=VxWorks
 	    ;;
+	*-*-gnu)
+	    ac_sys_system=GNU
+	    ;;
 	*)
 		# for now, limit cross builds to known configurations
 		MACHDEP="unknown"
@@ -3328,6 +3331,9 @@
 	*-*-vxworks*)
 		_host_cpu=$host_cpu
 		;;
+	*-*-gnu)
+		_host_cpu=$host_cpu
+	    ;;
 	*)
 		# for now, limit cross builds to known configurations
 		MACHDEP="unknown"
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<div class='path'>path: <a href='/guix/log/?id=c541a491aa82986ecf020c39edbc82da28089ee1'>root</a>/<a href='/guix/log/etc?id=c541a491aa82986ecf020c39edbc82da28089ee1'>etc</a>/<a href='/guix/log/etc/kernels-manifest.scm?id=c541a491aa82986ecf020c39edbc82da28089ee1'>kernels-manifest.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/etc/kernels-manifest.scm?id=c541a491aa82986ecf020c39edbc82da28089ee1&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-01-06 00:16:06 -0500'>2023-01-06</span></td><td><a href='/guix/commit/etc/kernels-manifest.scm?id=8be0a97a8139fdd4d196092008b98668f1a8b2bb'>maint: Add missing modules to the kernel manifest.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/kernels-manifest.scm: Add missing modules.
</span></span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2022-12-29 13:51:58 -0500'>2022-12-29</span></td><td><a href='/guix/commit/etc/kernels-manifest.scm?id=d07d6ea31a883d395d692483d84e7797b4c2ce0f'>maint: Add a manifest for everything related to linux-libre.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/kernels-manifest.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.
</span></span></td><td>Leo Famulari</td></tr>