Compatibility with GHC 8.10 and template-haskell 2.16.

Taken from 
https://raw.githubusercontent.com/archlinux/svntogit-community/packages/haskell-language-haskell-extract/trunk/ghc-8.10.patch

diff --git a/src/Language/Haskell/Extract.hs b/src/Language/Haskell/Extract.hs
index 3e8958b..43dfe04 100644
--- a/src/Language/Haskell/Extract.hs
+++ b/src/Language/Haskell/Extract.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 module Language.Haskell.Extract (
   functionExtractor,
   functionExtractorMap,
@@ -25,7 +26,11 @@ extractAllFunctions pattern =
 functionExtractor :: String -> ExpQ
 functionExtractor pattern =
   do functions <- extractAllFunctions pattern
-     let makePair n = TupE [ LitE $ StringL n , VarE $ mkName n]
+     let makePair n = TupE
+#if MIN_VERSION_template_haskell(2,16,0)
+                           $ map Just
+#endif
+                           [ LitE $ StringL n , VarE $ mkName n]
      return $ ListE $ map makePair functions
 
 
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<div class='path'>path: <a href='/guix/log/?id=ab1849454f24101c62d96d2166a198c96c906a44'>root</a>/<a href='/guix/log/gnu?id=ab1849454f24101c62d96d2166a198c96c906a44'>gnu</a>/<a href='/guix/log/gnu/machine?id=ab1849454f24101c62d96d2166a198c96c906a44'>machine</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/gnu/machine?id=ab1849454f24101c62d96d2166a198c96c906a44&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-08-11 02:00:00 +0200'>2024-08-11</span></td><td><a href='/guix/commit/gnu/machine?id=902b15b24d6ea2a1e255b88dff7670e8a95cb9a9'>gnu: Replace (almost) all uses of /run/setuid-programs.</a><span class='msg-avail'>...<span class='msg-tooltip'>…those good for master, anyway.

* gnu/packages/admin.scm (ktsuss, opendoas, hosts)
[arguments]: Replace /run/setuid-programs with /run/privileged/bin.
* gnu/packages/containers.scm (slirp4netns)[arguments]: Likewise.
* gnu/packages/debian.scm (pbuilder)[arguments]: Likewise.
* gnu/packages/disk.scm (udevil)[arguments]: Likewise.
* gnu/packages/enlightenment.scm (efl, enlightenment)
[arguments]: Likewise.
* gnu/packages/gnome.scm (gdm, gnome-control-center)
[arguments]: Likewise.
* gnu/packages/linux.scm (singularity)[arguments]: Likewise.
* gnu/packages/lxde.scm (spacefm)[arguments]: Likewise.
* gnu/packages/monitoring.scm (zabbix-agentd)[arguments]: Likewise.
* gnu/packages/virtualization.scm (ganeti)[arguments]: Likewise.
* gnu/packages/xdisorg.scm (xsecurelock)[arguments]: Likewise.
* gnu/services/dbus.scm (dbus-configuration-directory): Likewise.
* gnu/services/ganeti.scm (%default-ganeti-environment-variables):
Likewise.
* gnu/services/monitoring.scm (zabbix-agent-shepherd-service): Likewise.
* gnu/tests/ldap.scm (marionette): Likewise.
* gnu/tests/monitoring.scm (os): Likewise.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2024-06-04 12:08:34 +0200'>2024-06-04</span></td><td><a href='/guix/commit/gnu/machine?id=3e87b207ce96679e2f289a5522a248d38c4f3962'>file-systems: Add support for mounting CIFS file systems</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/file-systems (canonicalize-device-name): Do not attempt to resolve
CIFS formatted device specifications.
(mount-file-systems): Add mount-cifs nested function.
* gnu/machine/ssh.scm (machine-check-file-system-availability): Skip checking
for CIFS availability, similar to NFS.
* guix/scripts/system.scm (check-file-system-availability): Likewise.

Change-Id: I182e290eba64bbe5d1332815eb93bb68c01e0c3c
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Richard Sent</td></tr>
<tr><td><span title='2024-02-19 11:21:27 +0100'>2024-02-19</span></td><td><a href='/guix/commit/gnu/machine?id=9ce548a26e59d85ad9341c0212fef38392d49ff4'>machine/ssh: Refresh parameterization of %CURRENT-SYSTEM.</a><span class='msg-avail'>...<span class='msg-tooltip'>When using "guix deploy" on an x86_64-linux machine to deploy a system to
i686-linux, DEPLOY-MANAGED-HOST would revert %CURRENT-SYSTEM to the host
system's value by the time it evaluated UPGRADE-SHEPHERD-SERVICES.  The
earlier PARAMETERIZE would no longer be effective.

* gnu/machine/ssh.scm (deploy-managed-host): Ensure that
UPGRADE-SHEPHERD-SERVICES is evaluated for the architecture of the target
machine.

Change-Id: I0816da79cd7c46a69418717fa33b2fe4e2fabae0
</span></span></td><td>Ricardo Wurmus</td></tr>