Taken from https://bug1339931.bmoattachments.org/attachment.cgi?id=8837770.

Add major version to pkg-config filename.
Author: Rico Tzschichholz <ricotz@ubuntu.com>
Forwarded: no
Last-Update: 2015-05-04

Index: b/js/src/Makefile.in
===================================================================
--- a/js/src/Makefile.in
+++ b/js/src/Makefile.in
@@ -214,10 +214,10 @@
 $(JS_CONFIG_NAME): js-config
    cp $^ $@
 
-$(LIBRARY_NAME).pc: js.pc
+$(JS_LIBRARY_NAME).pc: js.pc
 	cp $^ $@
 
-install:: $(LIBRARY_NAME).pc
+install:: $(JS_LIBRARY_NAME).pc
 	$(SYSINSTALL) $^ $(DESTDIR)$(libdir)/pkgconfig
 
 install:: js-config.h
3ddb4ca31b918d63ff2957c6da1424a2a9'/><select name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=2e8a8b3ddb4ca31b918d63ff2957c6da1424a2a9'>refs</a><a class='active' href='/guix/log/etc/guix-gc.timer'>log</a><a href='/guix/tree/etc/guix-gc.timer?id=2e8a8b3ddb4ca31b918d63ff2957c6da1424a2a9'>tree</a><a href='/guix/commit/etc/guix-gc.timer?id=2e8a8b3ddb4ca31b918d63ff2957c6da1424a2a9'>commit</a><a href='/guix/diff/etc/guix-gc.timer?id=2e8a8b3ddb4ca31b918d63ff2957c6da1424a2a9'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/etc/guix-gc.timer'>
<input type='hidden' name='id' value='2e8a8b3ddb4ca31b918d63ff2957c6da1424a2a9'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=2e8a8b3ddb4ca31b918d63ff2957c6da1424a2a9'>root</a>/<a href='/guix/log/etc?id=2e8a8b3ddb4ca31b918d63ff2957c6da1424a2a9'>etc</a>/<a href='/guix/log/etc/guix-gc.timer?id=2e8a8b3ddb4ca31b918d63ff2957c6da1424a2a9'>guix-gc.timer</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-gc.timer?id=2e8a8b3ddb4ca31b918d63ff2957c6da1424a2a9&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-09-20 14:18:21 +0000'>2021-09-20</span></td><td><a href='/guix/commit/etc/guix-gc.timer?id=5c4fd77097e2cecfd4780e099af7954f86779fe1'>etc: Add systemd files for running ‘guix gc’ periodically</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/guix-gc.service.in: New file.
* etc/guix-gc.timer: Likewise.
* .gitignore: Ignore generated ‘guix-gc.service’.
* nix/local.mk (nodist_systemdservice_DATA): Add ‘guix-gc.service’ and
‘guix-gc.timer’.
(EXTRA_DIST): Add ‘guix-gc.service.in’ and ‘guix-gc.timer’.
* doc/guix.texi (Binary Installation): Mention the new systemd files.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Thiago Jung Bauermann</td></tr>