https://dev.gnupg.org/T6442

Index: config.h.in
--- config.h.in.orig
+++ config.h.in
@@ -285,6 +285,9 @@
 /* Define to 1 if you have the `getentropy' function. */
 #undef HAVE_GETENTROPY
 
+/* Define to 1 if you have the `getrandom' function. */
+#undef HAVE_GETRANDOM
+
 /* Define to 1 if you have the `gethrtime' function. */
 #undef HAVE_GETHRTIME