+diff -dur -x '*~' libs3-20181010.orig/src/request.c libs3-20181010/src/request.c
+--- libs3-20181010.orig/src/request.c 2016-12-14 19:17:36.000000000 +0100
++++ libs3-20181010/src/request.c 2019-03-04 13:10:25.000000000 +0100
+@@ -1701,11 +1701,6 @@
+ return S3StatusConnectionFailed;
+ case CURLE_PARTIAL_FILE:
+ return S3StatusOK;
+-#if LIBCURL_VERSION_NUM >= 0x071101 /* 7.17.1 */
+- case CURLE_PEER_FAILED_VERIFICATION:
+-#else
+- case CURLE_SSL_PEER_CERTIFICATE:
+-#endif
+ case CURLE_SSL_CACERT:
+ return S3StatusServerFailedVerification;
+ default: