--- exim-4.95/src/tls-openssl.c~ 2021-09-28 08:24:46.000000000 +0000 +++ exim-4.95/src/tls-openssl.c 2021-10-06 06:17:24.439990018 +0000 @@ -232,7 +232,7 @@ { US"no_tlsv1", SSL_OP_NO_TLSv1 }, #endif #ifdef SSL_OP_NO_TLSv1_1 -#if SSL_OP_NO_TLSv1_1 == 0x00000400L +#if (OPENSSL_VERSION_NUMBER < 0x30000000fL) && (SSL_OP_NO_TLSv1_1 == 0x00000400L) /* Error in chosen value in 1.0.1a; see first item in CHANGES for 1.0.1b */ #warning OpenSSL 1.0.1a uses a bad value for SSL_OP_NO_TLSv1_1, ignoring #else