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
     )
 
td class='form'><form class='right' method='get' action='/guix/log/.mailmap'>
<input type='hidden' name='id' value='217b7119b3caafafaa1fd6e7945dec69d84e2925'/><input type='hidden' name='showmsg' value='1'/><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=217b7119b3caafafaa1fd6e7945dec69d84e2925&amp;showmsg=1'>root</a>/<a href='/guix/log/.mailmap?id=217b7119b3caafafaa1fd6e7945dec69d84e2925&amp;showmsg=1'>.mailmap</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/.mailmap?id=217b7119b3caafafaa1fd6e7945dec69d84e2925'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2024-08-05 00:44:43 +0300'>2024-08-05</span></td><td class='logsubject'><a href='/guix/commit/.mailmap?id=3c309a7b7020a9645bfe775d9f53f43f05d076bf'>Change email of Evgeny Pisemsky.</a></td><td>Evgeny Pisemsky</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* .mailmap: Add entry to Evgeny Pisemsky.
* gnu/packages/emacs-xyz.scm, gnu/packages/engineering.scm,
gnu/packages/guile-xyz.scm, gnu/packages/hardware.scm,
gnu/packages/perl.scm, gnu/packages/python-xyz.scm,
gnu/packages/sdl.scm, gnu/packages/web.scm: Adjust copyright line.

Change-Id: I9a10be1ee7cc164f18d826b51348ee26eee2ca4b
Signed-off-by: Efraim Flashner &lt;efraim@flashner.co.il&gt;


</td></tr>
<tr class='logheader'><td><span title='2024-01-07 19:07:18 +0100'>2024-01-07</span></td><td class='logsubject'><a href='/guix/commit/.mailmap?id=7b58443bc5506a56ea78aaf44006ce6209ee6cc8'>Update mailmap.</a></td><td>Tomas Volf</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* .mailmap: Add entry for Tomas Volf.

Change-Id: I0a8b43b3b7f71c3020f96118adcbad8937a290fb
Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2023-08-16 22:22:06 +0200'>2023-08-16</span></td><td class='logsubject'><a href='/guix/commit/.mailmap?id=fce924708c31c09a1b438ae7e8b83d39c492be9a'>Update email addresses for Juliana Sims.</a></td><td>Juliana Sims</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* .mailmap: Add an entry for Juliana.
* gnu/packages/admin.scm, gnu/packages/audio.scm,
gnu/packages/build-tools.scm, gnu/packages/scheme.scm: Update Juliana's email.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2022-01-11 14:48:00 -0500'>2022-01-11</span></td><td class='logsubject'><a href='/guix/commit/.mailmap?id=7f779286df7e8636d901f4734501902cc934a72f'>Update mailmap.</a></td><td>Leo Famulari</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* .mailmap: Add entry for Zheng Junjie.


</td></tr>
<tr class='logheader'><td><span title='2021-11-06 16:03:43 +0100'>2021-11-06</span></td><td class='logsubject'><a href='/guix/commit/.mailmap?id=567c4f4495fd1681bc6bd1ca3e9d1a87e120ac61'>Update mailmap and copyright assignments for Liliana Marie Prikler.</a></td><td>Liliana Marie Prikler</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
Use full names everywhere.

* .mailmap: Use full name for Liliana Marie Prikler.
* gnu/packages/zig.scm: Likewise.


</td></tr>
<tr class='logheader'><td><span title='2021-09-06 12:15:57 +0200'>2021-09-06</span></td><td class='logsubject'><a href='/guix/commit/.mailmap?id=7158f8e4e9f81dbe004789018dcf06a5fe87d602'>Update mailmap.</a></td><td>Liliana Marie Prikler</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* .mailmap: Add entry for Liliana Marie Prikler.


</td></tr>
<tr class='logheader'><td><span title='2021-09-04 12:25:17 +0200'>2021-09-04</span></td><td class='logsubject'><a href='/guix/commit/.mailmap?id=1fd0bf60ea261fac426052386029ead0ac68cad1'>Update mailmap.</a></td><td>Marius Bakke</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* .mailmap: Alias all my contributions to the same identity.


</td></tr>
<tr class='logheader'><td><span title='2021-07-27 12:34:56 -0400'>2021-07-27</span></td><td class='logsubject'><a href='/guix/commit/.mailmap?id=c0e6e8d25e3750a35bebc80469ee86e7826bd769'>Update mailmap.</a></td><td>Leo Famulari</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* .mailmap: Add entry for Christine Lemmer-Webber.


</td></tr>
<tr class='logheader'><td><span title='2021-07-08 09:48:22 +0200'>2021-07-08</span></td><td class='logsubject'><a href='/guix/commit/.mailmap?id=0a04c25482c4d848a6a29711fccf5682319e26aa'>mailmap: Update entries for Matthew James Kraai.</a></td><td>Matthew James Kraai</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* .mailmap: Change name for Matthew James Kraai.
* gnu/packages/lisp-xyz.scm, gnu/packages/python-xyz.scm,
gnu/packages/rust.scm: Likewise.

Signed-off-by: Nicolas Goaziou &lt;mail@nicolasgoaziou.fr&gt;


</td></tr>
<tr class='logheader'><td><span title='2021-06-23 22:29:23 -0500'>2021-06-23</span></td><td class='logsubject'><a href='/guix/commit/.mailmap?id=6d388103a4ed8f14f1ac6ac7a2ff22c5fa6b8cd4'>gnu: Add Sollya.</a></td><td>Eric Bavier</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/algebra.scm (sollya): New variable.
* .mailmap: Adjust "proper email" for `git commit`.


</td></tr>
<tr class='logheader'><td><span title='2021-04-21 18:02:27 -0400'>2021-04-21</span></td><td class='logsubject'><a href='/guix/commit/.mailmap?id=449844474da86b5f10a4c5e4f1744e1e3a716d6e'>Update email address for Kei.</a></td><td>Kei Kebreau</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* .mailmap: Remove obsolete email for Kei.


</td></tr>