m4: Define HAVE_OPENSSL3 when present

Some unit tests need to know

diff --git a/m4/ssl.m4 b/m4/ssl.m4
index d4ff3209fd3abecd578fb824f213584573478caa..a01091bd1bb51bd62bfd7f9b903435d04db45a79 100644 (file)
--- a/m4/ssl.m4
+++ b/m4/ssl.m4
@@ -69,6 +69,7 @@ AC_DEFUN([DOVECOT_SSL], [
   AS_IF([test $ssl_version_ge_300 = true], [
     SSL_CFLAGS="$SSL_CFLAGS -DOPENSSL_NO_DEPRECATED -DOPENSSL_API_COMPAT=30000 -DDOVECOT_USE_OPENSSL3"
     dcrypt_openssl_ver=3
+    AC_DEFINE([HAVE_OPENSSL3],,1)
   ], [
     SSL_CFLAGS="$SSL_CFLAGS -DOPENSSL_NO_DEPRECATED -DOPENSSL_API_COMPAT=0x1000200L"
   ])