This fixes linking libfstest/test-fcntl (and others).

As discussed with upstream: https://lists.gnu.org/archive/html/bug-hurd/2020-03/msg00018.html

From 96a9f67a8685e713f25259c18306797d54cc27a5 Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <janneke@gnu.org>
Date: Sat, 14 Mar 2020 11:28:31 +0100
Subject: [PATCH] build: Fix cross build on Guix.

As discussed in https://lists.gnu.org/archive/html/bug-hurd/2020-03/msg00018.html.

* Makeconf (lpath): Add -Wl,-rpath-link=<dir> next to -L<dir>.
---
 Makeconf | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makeconf b/Makeconf
index 67f7ab1c..f68ff6e3 100644
--- a/Makeconf
+++ b/Makeconf
@@ -325,7 +325,8 @@ _libsubst=${libsubst$(patsubst %,-override,${libsubst-override})}
 
 # Direct the linker where to find shared objects specified in the
 # dependencies of other shared objects it encounters.
-lpath := -L. $(patsubst %,-L%,$(dir $(wildcard ../lib*/lib*.so)))
+lib_dirs := $(dir $(wildcard ../lib*/lib*.so))
+lpath := -L. $(lib_dirs:%=-L%) $(lib_dirs:%=-Wl,-rpath-link=%)
 
 # Main rule to link executables
 #
-- 
2.24.0

s/?id=fa660cfbeaebe9bb1d3daf968f4008f83e874456'>refs</a><a class='active' href='/guix/log/etc/openrc'>log</a><a href='/guix/tree/etc/openrc?id=fa660cfbeaebe9bb1d3daf968f4008f83e874456'>tree</a><a href='/guix/commit/etc/openrc?id=fa660cfbeaebe9bb1d3daf968f4008f83e874456'>commit</a><a href='/guix/diff/etc/openrc?id=fa660cfbeaebe9bb1d3daf968f4008f83e874456'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/etc/openrc'>
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<div class='path'>path: <a href='/guix/log/?id=fa660cfbeaebe9bb1d3daf968f4008f83e874456'>root</a>/<a href='/guix/log/etc?id=fa660cfbeaebe9bb1d3daf968f4008f83e874456'>etc</a>/<a href='/guix/log/etc/openrc?id=fa660cfbeaebe9bb1d3daf968f4008f83e874456'>openrc</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/openrc?id=fa660cfbeaebe9bb1d3daf968f4008f83e874456&amp;showmsg=1'>Expand</<tr><td><span title='2020-06-17 19:32:43 +0200'>2020-06-17</span></td><td><a href='/guix/commit/.guix-channel?id=8b1f7c03d239ca703b56f2a6e5f228c79bc1857e'>.guix-channel: Add primary URL.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .guix-channel: Add 'url'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-16 16:10:47 +0200'>2020-06-16</span></td><td><a href='/guix/commit/.guix-channel?id=a941e8fe1f2ef47be2b30a54925febbc7dfb5389'>.guix-channel: Add 'keyring-reference'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .guix-channel: Add 'keyring-reference'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-23 10:41:30 +0200'>2019-09-23</span></td><td><a href='/guix/commit/.guix-channel?id=dcc90d15581189dbc30e201db2b807273d6484f0'>Add '.guix-channel' file.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .guix-channel: New file.
* Makefile.am (EXTRA_DIST): Add it.
</span></span></td><td>Ludovic Courtès</td></tr>