Submitted upstream.

From 4c3eb19a11dfe5c88c902481a8294c4f675fcd03 Mon Sep 17 00:00:00 2001
From: "Jan (janneke) Nieuwenhuizen" <janneke@gnu.org>
Date: Sun, 19 Apr 2020 23:33:28 +0200
Subject: [PATCH] Support cross-compiling to the Hurd.

* cnf/hints/gnu: New file.
* cnf/configure_tool.sh: Guess it.
---
 cnf/configure_tool.sh |  4 ++++
 cnf/hints/gnu         | 21 +++++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 cnf/hints/gnu

diff --git a/cnf/configure_tool.sh b/cnf/configure_tool.sh
index 32201c0..7b0baa4 100644
--- a/cnf/configure_tool.sh
+++ b/cnf/configure_tool.sh
@@ -266,6 +266,10 @@ if not hinted 'osname'; then
 			define osname "bsd"
 			result "BSD"
 			;;
+		*-gnu*)
+			define osname "gnu"
+			result "GNU"
+			;;
 		*)
 			result "no"
 			;;
diff --git a/cnf/hints/gnu b/cnf/hints/gnu
new file mode 100644
index 0000000..a0583a2
--- /dev/null
+++ b/cnf/hints/gnu
@@ -0,0 +1,21 @@
+# Hurd syscalls
+d_voidsig='define'
+d_nanosleep='undef'
+d_clock_gettime='define'
+d_clock_getres='define'
+d_clock_nanosleep='define'
+d_clock='define'
+
+# From the original linux.sh
+usemallocwrap='define'
+
+# libraries to test
+libswanted='m crypt pthread nm ndbm gdbm dbm db dl gdbm_compat'
+
+d_procselfexe='undef'
+procselfexe='"undef"'
+
+st_ino_sign=1
+st_ino_size=8
+
+d_fcntl_can_lock='define'
-- 
2.26.0

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<div class='path'>path: <a href='/guix/log/?id=85a50e9b828e82638163212d944705a157210d92'>root</a>/<a href='/guix/log/tests?id=85a50e9b828e82638163212d944705a157210d92'>tests</a>/<a href='/guix/log/tests/guix-describe.sh?id=85a50e9b828e82638163212d944705a157210d92'>guix-describe.sh</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/tests/guix-describe.sh?id=85a50e9b828e82638163212d944705a157210d92&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-09-04 23:10:10 +0200'>2022-09-04</span></td><td><a href='/guix/commit/tests/guix-describe.sh?id=9e59dbcd6cc37ee65236edf23a9b32338536e036'>guix describe: Adjust test to latest changes.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to 64a070717c3de32332201df5d6d2d52a7f99dce9.

* tests/guix-describe.sh: Add trailing slash when checking URL.
</span></span></td><td>Ludovic Courtès</td></tr>