Jeff King [off-list ref] writes:
-#if LIBCURL_VERSION_NUM >= 0x071700
-/* Use CURLOPT_KEYPASSWD as is */
-#elif LIBCURL_VERSION_NUM >= 0x070903
-#define CURLOPT_KEYPASSWD CURLOPT_SSLKEYPASSWD
-#else
-#define CURLOPT_KEYPASSWD CURLOPT_SSLCERTPASSWD
-#endif
-
This part I am not sure. Don't we still need to substitute
CURLOPT_KEYPASSWD with CURLOPT_SSLKEYPASSWD for versions below
071700, e.g. 071000 which is 7.16.0?