This patch allows us to make the libgcrypt dependency optional (which it
is, if you look at the code), which in turns allows us to build CRDA
without the signature-checking capability on 'regulatory.bin'.

--- crda/Makefile	2015-07-17 11:33:33.546712893 +0200
+++ crda/Makefile	2015-07-17 11:34:05.210994373 +0200
@@ -45,12 +45,14 @@ LDLIBS += `pkg-config --libs openssl`
 $(LIBREG): keys-ssl.c
 
 else
+ifeq ($(USE_GCRYPT),1)
 CFLAGS += -DUSE_GCRYPT
 LDLIBS += -lgcrypt
 
 $(LIBREG): keys-gcrypt.c
 
 endif
+endif
 MKDIR ?= mkdir -p
 INSTALL ?= install
</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='fc45f2fcf8c1cd19fa162d5c8fd43956f442f11d'/><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/?id=fc45f2fcf8c1cd19fa162d5c8fd43956f442f11d'>refs</a><a class='active' href='/guix/log/gnu/packages/upnp.scm'>log</a><a href='/guix/tree/gnu/packages/upnp.scm?id=fc45f2fcf8c1cd19fa162d5c8fd43956f442f11d'>tree</a><a href='/guix/commit/gnu/packages/upnp.scm?id=fc45f2fcf8c1cd19fa162d5c8fd43956f442f11d'>commit</a><a href='/guix/diff/gnu/packages/upnp.scm?id=fc45f2fcf8c1cd19fa162d5c8fd43956f442f11d'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/upnp.scm'>
<input type='hidden' name='id' value='fc45f2fcf8c1cd19fa162d5c8fd43956f442f11d'/><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/?id=fc45f2fcf8c1cd19fa162d5c8fd43956f442f11d'>root</a>/<a href='/guix/log/gnu?id=fc45f2fcf8c1cd19fa162d5c8fd43956f442f11d'>gnu</a>/<a href='/guix/log/gnu/packages?id=fc45f2fcf8c1cd19fa162d5c8fd43956f442f11d'>packages</a>/<a href='/guix/log/gnu/packages/upnp.scm?id=fc45f2fcf8c1cd19fa162d5c8fd43956f442f11d'>upnp.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/packages/upnp.scm?id=fc45f2fcf8c1cd19fa162d5c8fd43956f442f11d&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-05-13 00:57:15 +0200'>2020-05-13</span></td><td><a href='/guix/commit/gnu/packages/upnp.scm?id=60d758ec23297b7fcd7d4a8c94460e5735658acd'>gnu: libupnp: Do not build static libraries.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-05-13 00:57:15 +0200'>2020-05-13</span></td><td><a href='/guix/commit/gnu/packages/upnp.scm?id=47986cc8e95a1c0ed69ded62d6aeca1e82068cd6'>gnu: libupnp: Update to 1.12.1.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-05-02 17:31:28 +0200'>2020-05-02</span></td><td><a href='/guix/commit/gnu/packages/upnp.scm?id=50e6c1bf2ef2f006baa8cac80dfbb12ca2ba6d64'>Merge branch 'master' into core-updates</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-05-02 12:04:57 +0200'>2020-05-02</span></td><td><a href='/guix/commit/gnu/packages/upnp.scm?id=1d2366202ad115cc7c48ac15c83ef994a2d8304c'>gnu: libupnp: Update to 1.8.6.</a><span class='msg-avail'>...</span></td><td>Jan Wielkiewicz</td></tr>