Patch borrowed from Arch Linux. Allows compiling bdb 5.3 and earlier with GCC newer than 7.

--- src/dbinc/atomic.h	2013-03-12 14:07:22.000000000 -0400
+++ src/dbinc/atomic.h.change	2013-03-12 14:06:35.000000000 -0400
@@ -144,7 +144,7 @@
 #define	atomic_inc(env, p)	__atomic_inc(p)
 #define	atomic_dec(env, p)	__atomic_dec(p)
 #define	atomic_compare_exchange(env, p, o, n)	\
-	__atomic_compare_exchange((p), (o), (n))
+	__atomic_compare_exchange_db((p), (o), (n))
 static inline int __atomic_inc(db_atomic_t *p)
 {
 	int	temp;
@@ -176,7 +176,7 @@
  * http://gcc.gnu.org/onlinedocs/gcc-4.1.0/gcc/Atomic-Builtins.html
  * which configure could be changed to use.
  */
-static inline int __atomic_compare_exchange(
+static inline int __atomic_compare_exchange_db(
 	db_atomic_t *p, atomic_value_t oldval, atomic_value_t newval)
 {
 	atomic_value_t was;
ubmit' value='switch'/></form></td></tr>
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sage (<a href='/guix/log/gnu/packages/openpgp.scm?id=041a12c46b77094c3a89276cf55d9cf1f68fb9a3&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-07-29 00:22:01 +0200'>2020-07-29</span></td><td><a href='/guix/commit/gnu/packages/openpgp.scm?id=7b7543376bd495c269536d04d97b381ad89da5c4'>gnu: Add rnp.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/openpgp.scm (rnp): New variable.
* gnu/packages/patches/rnp-add-version.cmake.patch: New file.
* gnu/packages/patches/rnp-disable-ruby-rnp-tests.patch: New file.
* gnu/packages/patches/rnp-unbundle-googletest.patch: New file.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Justus Winter</td></tr>
<tr><td><span title='2020-07-24 14:21:31 +0200'>2020-07-24</span></td><td><a href='/guix/commit/gnu/packages/openpgp.scm?id=39222080911eaf3d7f74effe4467c1a04464aef3'>gnu: Add dkgpg.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/openpgp.scm (dkgpg): New variable.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Justus Winter</td></tr>
<tr><td><span title='2020-07-24 14:21:31 +0200'>2020-07-24</span></td><td><a href='/guix/commit/gnu/packages/openpgp.scm?id=d51cb7f85f051b02d6e59829a7f9eb30ff044ad5'>gnu: Add libtmcg.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/openpgp.scm: New file.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Justus Winter</td></tr>