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><td><span title='2023-10-28 01:30:37 +0200'>2023-10-28</span></td><td><a href='/guix/commit/tests/transformations.scm?id=ff1146fb4f7254a8f644f89d7af6b4b566528603'>tests: Adjust to cope with glibc graft.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-05-04 17:06:44 +0200'>2023-05-04</span></td><td><a href='/guix/commit/tests/transformations.scm?id=ae11fcb84ac478dfa56d322ef08890645183a087'>transformations: Add '--with-configure-flag'.</a><span class='msg-avail'>...</span></td><td>Sarthak Shah</td></tr>
<tr><td><span title='2023-01-16 13:41:27 +0100'>2023-01-16</span></td><td><a href='/guix/commit/tests/transformations.scm?id=137b91f03bbb7f1df71cf10c4f79ae57fbcea400'>transformations: Add '--with-version'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-12-26 17:15:06 +0100'>2022-12-26</span></td><td><a href='/guix/commit/tests/transformations.scm?id=a274a6a1acb99738f02de7b226e6a0d3883ec353'>upstream-updater: Rename record field.</a><span class='msg-avail'>...</span></td><td>Hartmut Goebel</td></tr>
<tr><td><span title='2022-09-29 22:59:49 +0200'>2022-09-29</span></td><td><a href='/guix/commit/tests/transformations.scm?id=28ade1bab207974cce6a014e7187968511fc5526'>transformations: '--with-source' now operates in depth.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-05-05 23:56:58 +0200'>2022-05-05</span></td><td><a href='/guix/commit/tests/transformations.scm?id=0f024554e63a49e20c2a7a67e928073c266bf5c5'>transformations: Preserve transformation order in package property.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>