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/log/?id=0ea78508fe2e03bc39b13cfb35289a02b819ff9c&amp;showmsg=1'>root</a>/<a href='/guix/log/tests?id=0ea78508fe2e03bc39b13cfb35289a02b819ff9c&amp;showmsg=1'>tests</a>/<a href='/guix/log/tests/build-emacs-utils.scm?id=0ea78508fe2e03bc39b13cfb35289a02b819ff9c&amp;showmsg=1'>build-emacs-utils.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/tests/build-emacs-utils.scm?id=0ea78508fe2e03bc39b13cfb35289a02b819ff9c'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2022-07-13 10:49:40 -0400'>2022-07-13</span></td><td class='logsubject'><a href='/guix/commit/tests/build-emacs-utils.scm?id=dcf133587ac7d73ba306a314e1a496a7efb9960b'>tests: build-emacs-utils: Allow test to pass on Emacs 27 too.</a></td><td>Maxim Cournoyer</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* tests/build-emacs-utils.scm
("emacs-batch-script: raise &amp;emacs-batch-error on failure"): More loosely
match expected error string, which differs between Emacs 27 and Emacs 28.


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<tr class='logheader'><td><span title='2022-06-17 23:39:32 +0200'>2022-06-17</span></td><td class='logsubject'><a href='/guix/commit/tests/build-emacs-utils.scm?id=c3afbd05bf541b31b122e6093ff10eabf6a47926'>guix: emacs-utils: Add emacs-header-parse.</a></td><td>Fredrik Salomonsson</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* guix/build/emacs-utils.scm (emacs-header-parse): New procedure.

* tests/build-emacs-utils.scm ("emacs-header-parse: fetch version",
  "emacs-header-parse: fetch keywords", "emacs-header-parse: fetch
  nonexistent author"): New tests.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2022-06-17 23:39:31 +0200'>2022-06-17</span></td><td class='logsubject'><a href='/guix/commit/tests/build-emacs-utils.scm?id=f8275916fc6fcb3dd9bd8ef7dc4ddce2dca98c7d'>guix: emacs-utils: Add emacs-batch-script.</a></td><td>Fredrik Salomonsson</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* guix/build/emacs-utils.scm (emacs-batch-script): New procedure.

* tests/build-emacs-utils.scm: New file.

* Makefile.am (TESTS): Add `tests/build-emacs-utils.scm'.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;


</td></tr>