Protect build against LibreSSL.

Broken-by: 9c29c48f83

diff --git a/src/src/sha_ver.h b/src/src/sha_ver.h
index 2428e52d66d293c10c72c91549ae0486789a1594..b86e9a831d4ac22827a76772107d5bc2c215d825 100644 (file)
--- a/src/src/sha_ver.h
+++ b/src/src/sha_ver.h
@@ -35,7 +35,7 @@
 # else
 #  define SHA_OPENSSL
 #  include <openssl/ssl.h>
-#  if OPENSSL_VERSION_NUMBER >= 0x10101000L
+#  if (OPENSSL_VERSION_NUMBER >= 0x10101000L) && !defined(LIBRESSL_VERSION_NUMBER)
 #   define EXIM_HAVE_SHA3
 #  endif
 # endif