Taken from upstream: https://github.com/open-source-parsers/jsoncpp/issues/1235.

From ac2870298ed5b5a96a688d9df07461b31f83e906 Mon Sep 17 00:00:00 2001
From: Derick Vigne <derickvigne@me.com>
Date: Tue, 26 Jan 2021 14:59:12 -0500
Subject: [PATCH] Fixed pkg-config Version

---
 pkg-config/jsoncpp.pc.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg-config/jsoncpp.pc.in b/pkg-config/jsoncpp.pc.in
index 632a377f5..2a2221069 100644
--- a/pkg-config/jsoncpp.pc.in
+++ b/pkg-config/jsoncpp.pc.in
@@ -5,7 +5,7 @@ includedir=@includedir_for_pc_file@
 
 Name: jsoncpp
 Description: A C++ library for interacting with JSON
-Version: @JSONCPP_VERSION@
+Version: @PROJECT_VERSION@
 URL: https://github.com/open-source-parsers/jsoncpp
 Libs: -L${libdir} -ljsoncpp
 Cflags: -I${includedir}
szko-scripts'>koszko-scripts</option>
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<div class='path'>path: <a href='/guix/log/?id=71ec85b2958798246fc2b5d84c40badf5f75668e'>root</a>/<a href='/guix/log/etc?id=71ec85b2958798246fc2b5d84c40badf5f75668e'>etc</a>/<a href='/guix/log/etc/guix-publish.service.in?id=71ec85b2958798246fc2b5d84c40badf5f75668e'>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=71ec85b2958798246fc2b5d84c40badf5f75668e&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-02-09 23:38:33 +0100'>2021-02-09</span></td><td><a href='/guix/commit/etc/guix-publish.service.in?id=e342f89b4c0b08fa59093c091c725ac961d01c40'>etc: 'guix-publish.service' depends on 'guix-daemon.service'.</a><span class='msg-avail'>...<span class='msg-tooltip'>Reported by Dimitri Delabroye &lt;dimitri.delabroye@inria.fr&gt;.

* etc/guix-publish.service.in (Requires, PartOf, After): New fields.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-06-05 17:27:22 +0200'>2019-06-05</span></td><td><a href='/guix/commit/etc/guix-publish.service.in?id=a5ca4a63426f5e24c13b93bde95511e9d89757f5'>etc: Fix GUIX_LOCPATH quoting in 'guix-publish.service' file.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to 579d17b70dac067f8194ede46513400b91ac136a.

* etc/guix-publish.service.in (Environment): Move GUIX_LOCPATH inside
the quotes.
</span></span></td><td>Jack Hill</td></tr>
<tr><td><span title='2019-05-13 23:46:08 +0200'>2019-05-13</span></td><td><a href='/guix/commit/etc/guix-publish.service.in?id=489d6c0dc03f1d95a3fefa6301f36cac9b50b2c3'>Set 'LC_ALL=en_US.utf8' in systemd '.service' files.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/35671&gt;.

* etc/guix-daemon.service.in (Environment): Quote the 'GUIX_LOCPATH'
value; add 'LC_ALL'.
* etc/guix-publish.service.in (Environment): Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>