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=d726b954baaeff876ce9728e00920fa45f529f9a&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=d726b954baaeff876ce9728e00920fa45f529f9a&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/packages?id=d726b954baaeff876ce9728e00920fa45f529f9a&amp;showmsg=1'>packages</a>/<a href='/guix/log/gnu/packages/patches?id=d726b954baaeff876ce9728e00920fa45f529f9a&amp;showmsg=1'>patches</a>/<a href='/guix/log/gnu/packages/patches/lib2geom-fix-tests.patch?id=d726b954baaeff876ce9728e00920fa45f529f9a&amp;showmsg=1'>lib2geom-fix-tests.patch</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/packages/patches/lib2geom-fix-tests.patch?id=d726b954baaeff876ce9728e00920fa45f529f9a'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2020-06-18 02:25:49 -0400'>2020-06-18</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/patches/lib2geom-fix-tests.patch?id=620796e66bb828ca22b5d4932275bc36a7b4706a'>gnu: lib2geom: Fix tests on aarch64, i686-linux architectures.</a></td><td>Maxim Cournoyer</td></tr>
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Fixes &lt;http://issues.guix.gnu.org/41827&gt;.

This change also removes obsolete patches.

* gnu/packages/patches/lib2geom-fix-tests.patch: New file.
* gnu/packages/patches/lib2geom-link-tests-against-glib.patch: Delete file.
* gnu/packages/patches/lib2geom-use-system-googletest.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/graphics.scm (lib2geom)[origin]: Use new patch.


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