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
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<tr><th>author</th><td>Efraim Flashner &lt;efraim@flashner.co.il&gt;</td><td class='right'>2019-01-22 11:37:51 +0200</td></tr>
<tr><th>committer</th><td>Efraim Flashner &lt;efraim@flashner.co.il&gt;</td><td class='right'>2019-01-22 11:47:44 +0200</td></tr>
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<div class='commit-subject'>gnu: python-isort: Update to 4.3.4.</div><div class='commit-msg'>* gnu/packages/python-xyz.scm (python-isort): Update to 4.3.4.
[source]: Use 'git-fetch'.
[properties]: New field.
(python2-isort)[native-inputs]: Add python2-futures.
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