This patch makes the build system pass -Wl,-rpath=$out/lib even for
libraries (it already does so for executables, thanks to 'DO_GNU_APP'
in 'Makefile.shared'.)

--- openssl-1.0.2a/Makefile.shared	2015-04-05 01:07:35.357602454 +0200
+++ openssl-1.0.2a/Makefile.shared	2015-04-05 01:09:50.474513303 +0200
@@ -106,7 +106,7 @@ LINK_SO=	\
     LIBPATH=`for x in $$LIBDEPS; do echo $$x; done | sed -e 's/^ *-L//;t' -e d | uniq`; \
     LIBPATH=`echo $$LIBPATH | sed -e 's/ /:/g'`; \
     LD_LIBRARY_PATH=$$LIBPATH:$$LD_LIBRARY_PATH \
-    $${SHAREDCMD} $${SHAREDFLAGS} \
+    $${SHAREDCMD} $${SHAREDFLAGS} -Wl,-rpath,$(LIBRPATH) \
 	-o $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX \
 	$$ALLSYMSFLAGS $$SHOBJECTS $$NOALLSYMSFLAGS $$LIBDEPS \
   ) && $(SYMLINK_SO)
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<div class='path'>path: <a href='/guix/commit/?id=65c110e27a8ce3889d0efecc36b43316265a2d8a'>root</a>/<a href='/guix/commit/m4?id=65c110e27a8ce3889d0efecc36b43316265a2d8a'>m4</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='65c110e27a8ce3889d0efecc36b43316265a2d8a'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Tobias Geerinckx-Rice &lt;me@tobias.gr&gt;</td><td class='right'>2020-11-30 20:01:09 +0100</td></tr>
<tr><th>committer</th><td>Tobias Geerinckx-Rice &lt;me@tobias.gr&gt;</td><td class='right'>2020-11-30 21:17:26 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/guix/commit/m4?id=65c110e27a8ce3889d0efecc36b43316265a2d8a'>65c110e27a8ce3889d0efecc36b43316265a2d8a</a> (<a href='/guix/patch/m4?id=65c110e27a8ce3889d0efecc36b43316265a2d8a'>patch</a>)</td></tr>
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<tr><th>parent</th><td colspan='2' class='oid'><a href='/guix/commit/m4?id=09191e37cd2ab3c4799b90a1756644bbf4be6aab'>09191e37cd2ab3c4799b90a1756644bbf4be6aab</a> (<a href='/guix/diff/m4?id=65c110e27a8ce3889d0efecc36b43316265a2d8a&amp;id2=09191e37cd2ab3c4799b90a1756644bbf4be6aab'>diff</a>)</td></tr><tr><th>download</th><td colspan='2' class='oid'><a href='/guix/snapshot/guix-65c110e27a8ce3889d0efecc36b43316265a2d8a.tar.gz'>guix-65c110e27a8ce3889d0efecc36b43316265a2d8a.tar.gz</a><br/><a href='/guix/snapshot/guix-65c110e27a8ce3889d0efecc36b43316265a2d8a.zip'>guix-65c110e27a8ce3889d0efecc36b43316265a2d8a.zip</a><br/></td></tr></table>
<div class='commit-subject'>gnu: Add ziptime.</div><div class='commit-msg'>* gnu/packages/compression.scm (ziptime): New public variable.
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