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
 ~
m></td></tr>
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<div class='path'>path: <a href='/guix/log/?id=4f72a349f14bf14711afc9f041a6d2aa61b4668a'>root</a>/<a href='/guix/log/THANKS?id=4f72a349f14bf14711afc9f041a6d2aa61b4668a'>THANKS</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/THANKS?id=4f72a349f14bf14711afc9f041a6d2aa61b4668a&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2016-07-18 06:56:29 +0200'>2016-07-18</span></td><td><a href='/guix/commit/THANKS?id=1d743e6bdda65e783087ad8b9b4289d0ef581a5a'>Thank Thomas.</a></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2015-11-23 17:48:35 +0100'>2015-11-23</span></td><td><a href='/guix/commit/THANKS?id=160b0ef3fd87c73b140f4480a521ad8c80475ab3'>Thank Jan.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-11-17 09:44:52 +0100'>2015-11-17</span></td><td><a href='/guix/commit/THANKS?id=87450b12744bf1f508b6fd4ee11c00af35fcc4ee'>Thank Chris.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-10-09 20:57:24 +0200'>2015-10-09</span></td><td><a href='/guix/commit/THANKS?id=28eb956dfeb8b759e690cf3e30dfe85788561778'>Thank Chris.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-09-20 22:06:48 +0200'>2015-09-20</span></td><td><a href='/guix/commit/THANKS?id=8fcac19975b163e0e5b98d27a52cb7c541bf94d9'>Thank Petter.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-08-27 23:34:23 +0200'>2015-08-27</span></td><td><a href='/guix/commit/THANKS?id=25ae74cffaa95cc4e509e3363f6f6525ddc21672'>Thank Eric Hanchrow.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-07-23 09:42:24 +0200'>2015-07-23</span></td><td><a href='/guix/commit/THANKS?id=015878fdbbfe5e30474bea229c014677e04cc27f'>Thank Anders.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-07-22 23:47:35 +0200'>2015-07-22</span></td><td><a href='/guix/commit/THANKS?id=0e9f9f7bc23a7e7f2390eb1bbb09f36f33cda534'>Thank Malcolm.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-07-22 22:56:42 +0200'>2015-07-22</span></td><td><a href='/guix/commit/THANKS?id=31ea3ebb0570c070df578d5983bdcdce117e4376'>Thank Dave.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-07-04 12:13:01 +0300'>2015-07-04</span></td><td><a href='/guix/commit/THANKS?id=e7c48ee9519aa5cd094f3326a4caeccba072e9fd'>Clean up 'THANKS' and 'AUTHORS'.</a><span class='msg-avail'>...</span></td><td>Alex Kost</td></tr>
<tr><td><span title='2015-06-07 18:15:40 +0200'>2015-06-07</span></td><td><a href='/guix/commit/THANKS?id=a647e0b8eef9931a46aded4c4d71e0413cc84340'>Thank Thomas.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-05-01 00:06:18 +0200'>2015-05-01</span></td><td><a href='/guix/commit/THANKS?id=0aaca4354c68a21b01ce5fcd7fb7f820e58fc3cb'>Thank Joshua.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-04-14 23:20:26 +0200'>2015-04-14</span></td><td><a href='/guix/commit/THANKS?id=a0bcaefd0885fdca898c3e60dc22c00a581c9b30'>Thank Pjotr.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-02-24 00:04:37 +0100'>2015-02-24</span></td><td><a href='/guix/commit/THANKS?id=31567c427409b908ac496e48419017022e9212a2'>Thank Daniel.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-02-07 23:17:33 +0100'>2015-02-07</span></td><td><a href='/guix/commit/THANKS?id=cce629c027f26275d2fd7b66e43669ccab6eb207'>Thank Andrei.</a></td><td>Ludovic Courtès</td></tr>