Slightly modified version of
https://gitlab.haskell.org/ghc/ghc/-/issues/19029#note_447989, required
for older, buggy glibc versions < 2.34.

diff -Naur ghc-9.2.5/compiler/GHC/Linker/Unit.hs ghc-9.2.5.patched/compiler/GHC/Linker/Unit.hs
--- ghc-9.2.5/compiler/GHC/Linker/Unit.hs	2022-11-06 20:40:29.000000000 +0100
+++ ghc-9.2.5.patched/compiler/GHC/Linker/Unit.hs	2023-01-15 14:52:57.511275338 +0100
@@ -31,11 +31,26 @@
     ps <- mayThrowUnitErr $ preloadUnitsInfo' unit_env pkgs
     return (collectLinkOpts dflags ps)
 
+fixOrderLinkOpts :: [String] -> [String]
+fixOrderLinkOpts opts
+  | have_bad_glibc_version -- glibc version strictly less than 2.34
+  , let (before, rest) = break (== libc) opts
+  , not (pthread `elem` before)
+  , pthread `elem` rest -- optional if we know pthread is definitely present
+  = before ++ pthread_and_deps ++ rest
+  | otherwise
+  = opts
+  where
+    pthread = "-lpthread"
+    libc = "-lc"
+    pthread_and_deps = [ "-lrt", pthread ] -- should depend on the environment
+    have_bad_glibc_version = True
+
 collectLinkOpts :: DynFlags -> [UnitInfo] -> ([String], [String], [String])
 collectLinkOpts dflags ps =
     (
         concatMap (map ("-l" ++) . unitHsLibs (ghcNameVersion dflags) (ways dflags)) ps,
-        concatMap (map ("-l" ++) . map ST.unpack . unitExtDepLibsSys) ps,
+        fixOrderLinkOpts $ concatMap (map ("-l" ++) . map ST.unpack . unitExtDepLibsSys) ps,
         concatMap (map ST.unpack . unitLinkerOptions) ps
     )
 
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<div class='path'>path: <a href='/guix/log/?id=e0945a02a41afe31d99e3920aa9f7e2239df7bb7'>root</a>/<a href='/guix/log/tests?id=e0945a02a41afe31d99e3920aa9f7e2239df7bb7'>tests</a>/<a href='/guix/log/tests/texlive.scm?id=e0945a02a41afe31d99e3920aa9f7e2239df7bb7'>texlive.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/tests/texlive.scm?id=e0945a02a41afe31d99e3920aa9f7e2239df7bb7&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-01-17 14:22:08 +0100'>2020-01-17</span></td><td><a href='/guix/commit/tests/texlive.scm?id=6f918d69b4824226c877c0ca6385360a1dd38bbd'>import: texlive: Avoid uses of '@@' in tests.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/import/texlive.scm (fetch-sxml, sxml-&gt;package): Export.
* tests/texlive.scm &lt;top level&gt;: Call '%http-server-port'.
("fetch-sxml: returns SXML for valid XML"): Use 'with-http-server' and
set 'current-http-proxy' instead of using 'mock'.
("sxml-&gt;package"): Remove use of '@@'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-06-15 17:03:19 +0200'>2017-06-15</span></td><td><a href='/guix/commit/tests/texlive.scm?id=afbc94194e223378dd3aece6e2330015e5e57a1e'>guix: Add texlive importer.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/import/texlive.scm: New file.
* guix/scripts/import/texlive.scm: New file.
* Makefile.am (MODULES): Add them.
* tests/texlive.scm: New file.
* Makefile.am (SCM_TESTS): Add it.
* guix/scripts/import.scm (importers): Add texlive importer.
* doc/guix.texi (Invoking guix import): Document it.
</span></span></td><td>Ricardo Wurmus</td></tr>