https://github.com/cyrusimap/cyrus-sasl/pull/623
https://bugs.gentoo.org/775875

From 5b8075eeba8d0334573689450b07610c176a2618 Mon Sep 17 00:00:00 2001
From: orbea <orbea@riseup.net>
Date: Wed, 9 Sep 2020 07:29:38 -0700
Subject: [PATCH] common: Define the missing crypto_compat_version version.

--- a/common/Makefile.am
+++ b/common/Makefile.am
@@ -46,6 +46,7 @@
 # See <http://www.gnu.org/software/libtool/manual/libtool.html#Versioning>
 # CURRENT:REVISION:AGE
 plugin_common_version = 3:0:0
+crypto_compat_version = 0:0:0
 
 AM_CPPFLAGS=-fPIC -I$(top_srcdir)/include -I$(top_builddir)/include