This patch is to make sure that `libncurses' is among the `NEEDED'
dependencies of `libreadline.so' and `libhistory.so'.

Failing to do that, applications linking against Readline are
forced to explicitly link against libncurses as well; in addition,
this trick doesn't work when using GNU ld's `--as-needed'.

--- shlib/Makefile.in	2009-01-06 18:03:22.000000000 +0100
+++ shlib/Makefile.in	2009-07-27 14:43:25.000000000 +0200
@@ -84,7 +84,7 @@ SHOBJ_LDFLAGS = @SHOBJ_LDFLAGS@
 SHOBJ_XLDFLAGS = @SHOBJ_XLDFLAGS@
 SHOBJ_LIBS = @SHOBJ_LIBS@
 
-SHLIB_XLDFLAGS = @LDFLAGS@ @SHLIB_XLDFLAGS@
+SHLIB_XLDFLAGS = @LDFLAGS@ @SHLIB_XLDFLAGS@ -lncurses
 SHLIB_LIBS = @SHLIB_LIBS@
 
 SHLIB_DOT = @SHLIB_DOT@
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<div class='path'>path: <a href='/guix/log/?id=c52d0f9c42596404180f1d3f06c646b25b3ac541'>root</a>/<a href='/guix/log/tests?id=c52d0f9c42596404180f1d3f06c646b25b3ac541'>tests</a>/<a href='/guix/log/tests/guix-environment-container.sh?id=c52d0f9c42596404180f1d3f06c646b25b3ac541'>guix-environment-container.sh</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/guix-environment-container.sh?id=c52d0f9c42596404180f1d3f06c646b25b3ac541&amp;showmsg=1'>Expand</a><tr><td><span title='2019-05-13 23:46:08<tr><td><span title='2020-10-05 10:41:59 +0200'>2020-10-05</span></td><td><a href='/guix/commit/tests/guix-environment-container.sh?id=b68d4106518abed20ba308831b65dcc69bf120a5'>environment: Turn "lo" up in network-less containers.</a><span <tr><td><span title='2019-01-17 14:04:20 +0100'>2019-01-17</span></td><td><a href='/guix/commit/gnu/installer/aux-files?id=d0f3a672dcbdfefd3556b6a21985ff0e35eed3be'>gnu: Add graphical installer support.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
containers without '--network'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-09-21 23:05:38 +0200'>2020-09-21</span></td><td><a href='/guix/commit/tests/guix-environment-container.sh?id=9b65281de51bcb56714509524f5ae0731c9b96d0'>environment: '--link-profile' uses ~/.guix-profile for environment variables.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-20 13:18:11 +0200'>2020-06-20</span></td><td><a href='/guix/commit/tests/guix-environment-container.sh?id=90f496be9ad53802fd260cac3840e7bae24a3e39'>tests: Actually run 'tests/guix-environment-container.sh'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-10-03 23:48:59 +0200'>2019-10-03</span></td><td><a href='/guix/commit/tests/guix-environment-container.sh?id=5a02f8e3842c19d28f39e5b47d804ef70e1b3160'>environment: '--container' honors '--preserve'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-08-17 16:23:05 +0200'>2019-08-17</span></td><td><a href='/guix/commit/tests/guix-environment-container.sh?id=75a6f66815db811cc41aadbe93033a6efd3ad62f'>tests: Move 'guix environment -C --no-cwd' test where it belongs.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-04-02 18:15:37 +0200'>2019-04-02</span></td><td><a href='/guix/commit/tests/guix-environment-container.sh?id=1ccc0f807d3f22fa9ade1c607c112e04df833a72'>environment: '-C' creates namespaces where the user is not root.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-26 18:11:52 +0100'>2019-03-26</span></td><td><a href='/guix/commit/tests/guix-environment-container.sh?id=952afb6f8c209692e52f9561965ee39e143e1d88'>environment: Create /etc/group in containers.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-26 18:11:52 +0100'>2019-03-26</span></td><td><a href='/guix/commit/tests/guix-environment-container.sh?id=8a9922bdee875b3b5e1d928fc8e2121ffa99663a'>environment: Use (gnu build accounts) for /etc/passwd handling.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>