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
80a5ccdc0131613cb0679b54145d'/><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=fc0680929ded80a5ccdc0131613cb0679b54145d'>refs</a><a class='active' href='/guix/log/etc/completion'>log</a><a href='/guix/tree/etc/completion?id=fc0680929ded80a5ccdc0131613cb0679b54145d'>tree</a><a href='/guix/commit/etc/completion?id=fc0680929ded80a5ccdc0131613cb0679b54145d'>commit</a><a href='/guix/diff/etc/completion?id=fc0680929ded80a5ccdc0131613cb0679b54145d'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/etc/completion'>
<input type='hidden' name='id' value='fc0680929ded80a5ccdc0131613cb0679b54145d'/><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=fc0680929ded80a5ccdc0131613cb0679b54145d'>root</a>/<a href='/guix/log/etc?id=fc0680929ded80a5ccdc0131613cb0679b54145d'>etc</a>/<a href='/guix/log/etc/completion?id=fc0680929ded80a5ccdc0131613cb0679b54145d'>completion</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/completion?id=fc0680929ded80a5ccdc0131613cb0679b54145d&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-04-29 10:13:44 +0200'>2019-04-29</span></td><td><a href='/guix/commit/etc/completion?id=d824cfbabeb0780c9ea7a6dab02c47b6a4d029c6'>guix package: Add 'install', 'remove', and 'upgrade' aliases.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-18 15:05:08 +0100'>2019-03-18</span></td><td><a href='/guix/commit/etc/completion?id=47956fa0c24efcdcba3493f0231c30e9a39ec7df'>Correct name and email address for ng0.</a><span class='msg-avail'>...</span></td><td>ng0</td></tr>
<tr><td><span title='2018-11-06 00:04:11 +0100'>2018-11-06</span></td><td><a href='/guix/commit/etc/completion?id=7082873ea2771ebef900333e0fa7468d6395f330'>bash completion: Restore completion of available packages for 'guix build'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-07-03 06:58:51 +0300'>2018-07-03</span></td><td><a href='/guix/commit/etc/completion?id=3a15d0aa9c55881ddc3a21570350a743c28a6c92'>bash completion: Complete files names after 'guix weather -m'.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>
<tr><td><span title='2018-07-03 06:58:51 +0300'>2018-07-03</span></td><td><a href='/guix/commit/etc/completion?id=9b0a755f642542dd96065ad05ec9d844d8077fd7'>bash completion: Complete files names after 'guix build -L'.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>
<tr><td><span title='2018-06-16 21:23:11 +0300'>2018-06-16</span></td><td><a href='/guix/commit/etc/completion?id=bba0fa2499eefab02cacfed9958dc498abfd484d'>Add guix-daemon Bash completion file.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>
<tr><td><span title='2018-03-20 17:17:58 +0100'>2018-03-20</span></td><td><a href='/guix/commit/etc/completion?id=4a78fd4617908546be15d2c101f5cab512c71f8e'>Correct name and Email for ng0.</a><span class='msg-avail'>...</span></td><td>ng0</td></tr>
<tr><td><span title='2018-02-17 22:23:07 +0300'>2018-02-17</span></td><td><a href='/guix/commit/etc/completion?id=f5f916792c7069a22d95c5b7c68bcf3bbb86e451'>bash completion: Complete files names after 'guix package -m'.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>
<tr><td><span title='2018-01-16 16:00:20 +0100'>2018-01-16</span></td><td><a href='/guix/commit/etc/completion?id=b83fc85f9f40d9a5dff5b0d3ef38c1b93bd4c7e3'>etc: Add completions for fish.</a><span class='msg-avail'>...</span></td><td>ng0</td></tr>
<tr><td><span title='2017-08-22 23:13:42 +0200'>2017-08-22</span></td><td><a href='/guix/commit/etc/completion?id=ed8634c404410ed5e0d3ab06e43bd50d4eed9c42'>bash completion: Complete files names after 'guix download'.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2017-02-07 00:08:10 +0100'>2017-02-07</span></td><td><a href='/guix/commit/etc/completion?id=f2c66fbe1f01b720741e0fe2bfa619ca2862a6b8'>bash completion: Complete subcommands for the current word.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-02-07 00:08:10 +0100'>2017-02-07</span></td><td><a href='/guix/commit/etc/completion?id=a93c1c59218aac49382c35fe23d1e0f021e6e676'>bash completion: Properly complete 'guix container exec'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-02-07 00:08:10 +0100'>2017-02-07</span></td><td><a href='/guix/commit/etc/completion?id=e109ed3922f2a3ff68a77f727ead27f2eb4a82ab'>bash completion: Complete file names after 'guix system COMMAND'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-02-07 00:08:10 +0100'>2017-02-07</span></td><td><a href='/guix/commit/etc/completion?id=3454f7edf9eb2901115cab522d980df712fa4078'>bash completion: Complete 'guix gc' with file names.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-09-07 17:33:48 +0200'>2016-09-07</span></td><td><a href='/guix/commit/etc/completion?id=f07f7d86145c10539709ca43cb0c201b6f935005'>bash completion: Complete subcommands and their options.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-09-07 16:22:25 +0200'>2016-09-07</span></td><td><a href='/guix/commit/etc/completion?id=e9006d06a04e60db1ca78283b6c7e951d5a477fd'>bash completion: Redirect 'guix' stderr to /dev/null.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-09-07 16:08:20 +0200'>2016-09-07</span></td><td><a href='/guix/commit/etc/completion?id=96dbc93089723cece1241e51c657f596adf6d3d5'>Add Zsh completion file.</a><span class='msg-avail'>...</span></td><td>Eric Le Bihan</td></tr>