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-rw-r--r--lib/vtls/darwinssl.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/lib/vtls/darwinssl.c b/lib/vtls/darwinssl.c
index 45fe49d82..f29b5acad 100644
--- a/lib/vtls/darwinssl.c
+++ b/lib/vtls/darwinssl.c
@@ -1252,14 +1252,13 @@ static CURLcode darwinssl_version_from_curl(SSLProtocol *darwinver,
return CURLE_OK;
case CURL_SSLVERSION_TLSv1_3:
/* TLS 1.3 support first appeared in iOS 11 and macOS 10.13 */
-#if CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11
- /* We can assume __builtin_available() will always work in the
- 10.13/11.0 SDK: */
+#if (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) && HAVE_BUILTIN_AVAILABLE == 1
if(__builtin_available(macOS 10.13, iOS 11.0, *)) {
*darwinver = kTLSProtocol13;
return CURLE_OK;
}
-#endif /* CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11 */
+#endif /* (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) &&
+ HAVE_BUILTIN_AVAILABLE == 1 */
break;
}
return CURLE_SSL_CONNECT_ERROR;
@@ -1278,7 +1277,7 @@ set_ssl_version_min_max(struct connectdata *conn, int sockindex)
/* macOS 10.5-10.7 supported TLS 1.0 only.
macOS 10.8 and later, and iOS 5 and later, added TLS 1.1 and 1.2.
macOS 10.13 and later, and iOS 11 and later, added TLS 1.3. */
-#if CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11
+#if (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) && HAVE_BUILTIN_AVAILABLE == 1
if(__builtin_available(macOS 10.13, iOS 11.0, *)) {
max_supported_version_by_os = CURL_SSLVERSION_MAX_TLSv1_3;
}
@@ -1287,7 +1286,8 @@ set_ssl_version_min_max(struct connectdata *conn, int sockindex)
}
#else
max_supported_version_by_os = CURL_SSLVERSION_MAX_TLSv1_2;
-#endif /* CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11 */
+#endif /* (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) &&
+ HAVE_BUILTIN_AVAILABLE == 1 */
switch(ssl_version) {
case CURL_SSLVERSION_DEFAULT:
@@ -1430,7 +1430,7 @@ static CURLcode darwinssl_connect_step1(struct connectdata *conn,
case CURL_SSLVERSION_DEFAULT:
case CURL_SSLVERSION_TLSv1:
(void)SSLSetProtocolVersionMin(BACKEND->ssl_ctx, kTLSProtocol1);
-#if CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11
+#if (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) && HAVE_BUILTIN_AVAILABLE == 1
if(__builtin_available(macOS 10.13, iOS 11.0, *)) {
(void)SSLSetProtocolVersionMax(BACKEND->ssl_ctx, kTLSProtocol13);
}
@@ -1439,7 +1439,8 @@ static CURLcode darwinssl_connect_step1(struct connectdata *conn,
}
#else
(void)SSLSetProtocolVersionMax(BACKEND->ssl_ctx, kTLSProtocol12);
-#endif /* CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11 */
+#endif /* (CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11) &&
+ HAVE_BUILTIN_AVAILABLE == 1 */
break;
case CURL_SSLVERSION_TLSv1_0:
case CURL_SSLVERSION_TLSv1_1: