GCC 4.9 and later have libvtv and, just like libstdc++ (see
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32354), it doesn't
have $libdir in its RUNPATH, but it NEEDs libgcc_s.  This patch
fixes that.

--- gcc-5.1.0/libvtv/Makefile.in	2014-10-30 09:28:58.000000000 +0100
+++ gcc-5.1.0/libvtv/Makefile.in	2015-04-30 09:51:04.161129705 +0200
@@ -15,6 +15,7 @@
 
 @SET_MAKE@
 
+libvtv_la_LDFLAGS = -Wl,-rpath=$(libdir)
 
 VPATH = @srcdir@
 pkgdatadir = $(datadir)/@PACKAGE@
='main'><a href='/'>index</a> : <a href='/guix/'>guix</a></td><td class='form'><form method='get'>
<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/'>refs</a><a class='active' href='/guix/log/gnu/home/services/desktop.scm'>log</a><a href='/guix/tree/gnu/home/services/desktop.scm'>tree</a><a href='/guix/commit/gnu/home/services/desktop.scm'>commit</a><a href='/guix/diff/gnu/home/services/desktop.scm'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/home/services/desktop.scm'>
<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/'>root</a>/<a href='/guix/log/gnu'>gnu</a>/<a href='/guix/log/gnu/home'>home</a>/<a href='/guix/log/gnu/home/services'>services</a>/<a href='/guix/log/gnu/home/services/desktop.scm'>desktop.scm</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/home/services/desktop.scm?showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-05-30 22:40:54 +0100'>2024-05-30</span></td><td><a href='/guix/commit/gnu/home/services/desktop.scm?id=8144c587f89641d5976d5b3832297d391d489fbd'>home: services: Add home-startx-command-service-type.</a><span class='msg-avail'>...</span></td><td>Tomas Volf</td></tr>
<tr><td><span title='2023-11-05 23:23:23 +0100'>2023-11-05</span></td><td><a href='/guix/commit/gnu/home/services/desktop.scm?id=08d94fe20eca47b69678b3eced8749dd02c700a4'>home: services: Add 'x11-display' service.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-09-14 15:53:23 +0200'>2023-09-14</span></td><td><a href='/guix/commit/gnu/home/services/desktop.scm?id=2643fa3513ef93fc98a1bbf368f456b163fcf191'>home: services: redshift: Use redshift package specified in configuration</a><span class='msg-avail'>...</span></td><td>Kjartan Oli Agustsson</td></tr>
<tr><td><span title='2023-06-15 13:19:29 +0400'>2023-06-15</span></td><td><a href='/guix/commit/gnu/home/services/desktop.scm?id=f74df2ab879fc5457982bbc85b7455a90e82317d'>home: services: xdg-base-directories: Deprecate XDG_LOG_HOME.</a><span class='msg-avail'>...</span></td><td>Bruno Victal</td></tr>