See https://github.com/fplll/fplll/issues/444

--- fplll-5.3.3-checkout.old/fplll/enum/enumerate_base.h	2020-09-23 13:55:27.833769823 +0200
+++ fplll-5.3.3-checkout/fplll/enum/enumerate_base.h	2020-09-23 13:56:14.313771769 +0200
@@ -127,10 +127,10 @@
   int rounding_backup;
   void save_rounding()
   {
-    rounding_backup = std::fegetround();
-    std::fesetround(FE_TONEAREST);
+    rounding_backup = fegetround();
+    fesetround(FE_TONEAREST);
   }
-  void restore_rounding() { std::fesetround(rounding_backup); }
+  void restore_rounding() { fesetround(rounding_backup); }
 
   inline bool next_pos_up()
   {
>
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<div class='path'>path: <a href='/guix/log/?id=060e6e711cbe40b43ece5442a4200e966ac29041'>root</a>/<a href='/guix/log/tests?id=060e6e711cbe40b43ece5442a4200e966ac29041'>tests</a>/<a href='/guix/log/tests/store-database.scm?id=060e6e711cbe40b43ece5442a4200e966ac29041'>store-database.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/tests/store-database.scm?id=060e6e711cbe40b43ece5442a4200e966ac29041&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-01-31 21:49:58 +0100'>2021-01-31</span></td><td><a href='/guix/commit/tests/store-database.scm?id=13a7d2a538b00aa0a8cf9b999f1a4ff3e5959af9'>database: Validate #:nar-size and #:time when registering store items.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/store/database.scm (assert-integer): New procedure.
(update-or-insert): Use it to validate NAR-SIZE and TIME.
* tests/store-database.scm ("sqlite-register with incorrect size"): New
test.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-12-15 17:32:11 +0100'>2020-12-15</span></td><td><a href='/guix/commit/tests/store-database.scm?id=3169c93903c20cea000335d59560eac7f28e8f92'>database: Remove 'register-path'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/store/database.scm (register-path): Remove.
* tests/store-database.scm ("register-path"): Rename to...
("register-items"): ... this, and use 'register-items' instead of
'register-path'.
("register-path, directory"): Rename to...
("register-items, directory"): ... this, and use 'register-items'
instead of 'register-path'.
("register-path with unregistered references"): Rename to...
("sqlite-register with unregistered references"): ... this.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-12-15 17:32:11 +0100'>2020-12-15</span></td><td><a href='/guix/commit/tests/store-database.scm?id=0682cc593688e7d9a435ca69f05320aa87df06d0'>database: Remove #:deduplicate? and #:reset-timestamps? from 'register-path'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/store/database.scm (register-path): Remove #:deduplicate?
and #:reset-timestamps?.
* guix/scripts/system.scm (copy-item): Adjust accordingly.
* tests/store-database.scm ("register-path")
("register-path, directory"): Call 'reset-timestamps'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-11-21 12:39:14 +0100'>2020-11-21</span></td><td><a href='/guix/commit/tests/store-database.scm?id=ac435c14a627f620bf6719efbdd214a12b33716e'>store-database: Add test checking the directory mtime after 'register-path'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/store-database.scm ("register-path, directory"): New test.
</span></span></td><td>Ludovic Courtès</td></tr>