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@
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<tr><td><span title='2017-09-25 00:12:49 +0200'>2017-09-25</span></td><td><a href='/guix/commit/README?id=e8d8ecde04a988f04642d754eccc16a14e0cdc53'>README: Replace http:// with https:// where applicable.</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2017-03-18 00:39:49 +0100'>2017-03-18</span></td><td><a href='/guix/commit/README?id=36626c556ed75219bce196ac93d148f6b9af984c'>build: Require Guile &gt;= 2.0.9.</a><span class='msg-avail'>...<span class='msg-tooltip'>* configure.ac: Bump requirement to 2.0.9.
* doc/guix.texi (Requirements): Adjust accordingly.
* README (Requirements): Likewise.
* build-aux/download.scm: Remove workaround for &lt;http://bugs.gnu.org/13095&gt;.
* guix/build/download.scm: Likewise.
(http-fetch)[post-2.0.7?]: Remove.  Remove conditional code for not
POST-2.0.7?.
* guix/http-client.scm:  Remove workaround for &lt;http://bugs.gnu.org/13095&gt;.
(http-fetch)[post-2.0.7?]: Remove.  Remove conditional code for not
POST-2.0.7?.
* guix/serialization.scm (read-latin1-string): Remove mention of 2.0.9.
* tests/nar.scm: Use (ice-9 control).
(let/ec): Remove.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-01-30 13:20:13 +0100'>2017-01-30</span></td><td><a href='/guix/commit/README?id=8efc35a8902910ef7c09183c1d79d51498b2c10c'>maint: Fix invalid calls to 'info'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* HACKING &lt;Contributing&gt;: Remove name of the manual from the item argument.
* README &lt;Installation&gt;: Likewise.
</span></span></td><td>Mathieu Lirzin</td></tr>
<tr><td><span title='2015-10-06 23:51:04 +0200'>2015-10-06</span></td><td><a href='/guix/commit/README?id=dd01fecd23a4ded46b99a51dc08ac5d964dbcd53'>build: Automatically determine libgcrypt's file name.</a><span class='msg-avail'>...<span class='msg-tooltip'>* m4/guix.m4 (GUIX_LIBGCRYPT_LIBDIR): New macro.
* configure.ac: Use it when no --with-libgcrypt-* option was passed.
* README: Do not recommend --with-libgcrypt-prefix.

Co-authored-by: 宋文武 &lt;iyzsong@gmail.com&gt;
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-06-14 01:44:54 +0200'>2015-06-14</span></td><td><a href='/guix/commit/README?id=8c01b9d05aa5d5449398d5babdf7fa1fe95af1c2'>doc: Move most 'HACKING' informations into the manual.</a><span class='msg-avail'>...<span class='msg-tooltip'>* HACKING (Contributing): New section.
  (Building from Git, The Perfect Setup, Coding Style, Submitting Patches):
  Move to ...
* doc/guix.texi (Running Guix Before It Is Installed): Likewise.
* doc/contributing.texi: ... here. New file.
* doc.am (EXTRA_DIST): Use it.
* README (Installation): Adapt to it.
* configure.ac (DOT): Likewise.
</span></span></td><td>Mathieu Lirzin</td></tr>
<tr><td><span title='2015-06-04 23:40:09 +0200'>2015-06-04</span></td><td><a href='/guix/commit/README?id=230fda86a57b654bd15d0c5009f933deaeacd20c'>Document 'guix environment guix' in README.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Installing Guix from Guix): Replace complicated instructions with
  'guix environment guix'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-05-10 11:20:35 +0200'>2015-05-10</span></td><td><a href='/guix/commit/README?id=f0b98b848384f2957a1658a73f0ff20bcec38c23'>doc: Mention GNU Make as a requirement.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Requirements): Add GNU Make.
* doc/guix.texi (Requirements): Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-05-10 11:07:51 +0200'>2015-05-10</span></td><td><a href='/guix/commit/README?id=47c66da00b737b28f27429e472c71cf987409b60'>build: Require Guile &gt;= 2.0.7.</a><span class='msg-avail'>...<span class='msg-tooltip'>* configure.ac: Require guile-2.0 &gt;= 2.0.7.
* README: Adjust accordingly.
* doc/guix.texi (Requirements): Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2014-10-27 13:53:46 +0100'>2014-10-27</span></td><td><a href='/guix/commit/README?id=8a96bd4bb0f0b67f535ab84d22d1275436fa0b8e'>doc: Add a note about optional GnuTLS dependency.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Requirements): add a note about 'guix download''s GnuTLS dependency.
* doc/guix.texi (Requirements): Likewise.

Co-authored-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Ian Denhardt</td></tr>
<tr><td><span title='2014-10-06 19:34:27 +0200'>2014-10-06</span></td><td><a href='/guix/commit/README?id=288dca55a8070b502fd403639e791967dbe55b34'>doc: Mention optional dependency on Guile-JSON.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Requirements): Add Guile-JSON.
* doc/guix.texi (Requirements): Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2014-09-02 17:44:56 +0200'>2014-09-02</span></td><td><a href='/guix/commit/README?id=fa747b27fc972240ca3f00a1a4d36e6601d0450e'>doc: Update "Installing Guix from Guix".</a><span class='msg-avail'>...<span class='msg-tooltip'>* README: Make 'guix package' command line more readable.  Mention
  --localstatedir.
</span></span></td><td>Ludovic Courtès</td></tr>