Taken from the Debian package.

From 7be4a19b76d98260cf95040a47935f854a4ba7a4 Mon Sep 17 00:00:00 2001
From: Valentin Rusu <kde@rusu.info>
Date: Sat, 17 Dec 2011 13:47:58 +0100
Subject: [PATCH] Fix .pc file by adding clucene-shared library

---
 src/core/libclucene-core.pc.cmake |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/src/core/libclucene-core.pc.cmake
+++ b/src/core/libclucene-core.pc.cmake
@@ -6,6 +6,6 @@ includedir=${prefix}/include:${prefix}/i
 Name: libclucene
 Description: CLucene - a C++ search engine, ported from the popular Apache Lucene
 Version: @CLUCENE_VERSION_MAJOR@.@CLUCENE_VERSION_MINOR@.@CLUCENE_VERSION_REVISION@.@CLUCENE_VERSION_PATCH@
-Libs: -L${prefix}/@LIB_DESTINATION@/ -lclucene-core
+Libs: -L${prefix}/@LIB_DESTINATION@/ -lclucene-core -lclucene-shared
 Cflags: -I${prefix}/include -I${prefix}/include/CLucene/ext
 ~
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<div class='path'>path: <a href='/guix/log/?id=83881f7e32fd534df6930db0f86b6ae35a120fa6'>root</a>/<a href='/guix/log/etc?id=83881f7e32fd534df6930db0f86b6ae35a120fa6'>etc</a>/<a href='/guix/log/etc/guix-publish.service.in?id=83881f7e32fd534df6930db0f86b6ae35a120fa6'>guix-publish.service.in</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/guix-publish.service.in?id=83881f7e32fd534df6930db0f86b6ae35a120fa6&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-03-11 14:34:25 -0700'>2024-03-11</span></td><td><a href='/guix/commit/etc/guix-publish.service.in?id=5f100c68a4a8ef9ed5599bb99c910018869bc6f3'>etc: systemd services: switch to "journal" for output and error logging.</a><span class='msg-avail'>...<span class='msg-tooltip'>The "syslog" method has been deprecated for years, and issues a warning:

  Standard output type syslog is obsolete, automatically updating to
  journal. Please update your unit file, and consider removing the setting
  altogether.

Fixes: #48323

* etc/guix-daemon.service.in (StandardOutput): Use "journal"
(StandardError): Likewise.
* etc/guix-publish.service.in (StandardOutput): Likewise.
(StandardError): Likewise.
</span></span></td><td>Vagrant Cascadian</td></tr>
<tr><td><span title='2022-10-23 02:00:26 +0200'>2022-10-23</span></td><td><a href='/guix/commit/etc/guix-publish.service.in?id=068f1a1905099f32beec9a8c4904efbb4c503981'>etc: systemd services shouldn't ‘RemainAfterExit’.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/guix-daemon.service.in (RemainAfterExit): Don't.
* etc/guix-publish.service.in (RemainAfterExit): Likewise don't.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2022-10-23 02:00:25 +0200'>2022-10-23</span></td><td><a href='/guix/commit/etc/guix-publish.service.in?id=0f6ec662f626eb5ff0685a20ca7e153dae7442e6'>etc: Add ‘Restart=always’ to both systemd services.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/guix-daemon.service.in (Restart): ‘Always’ do.
* etc/guix-publish.service.in (Restart): Likewise.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>