diff --git a/http.c b/http.c
index 4564a63bcb..8f5d809ac4 100644
--- a/http.c
+++ b/http.c
@@ -386,6 +386,17 @@ static CURL *get_curl_handle(void)
 	if (curl_http_proxy) {
 		curl_easy_setopt(result, CURLOPT_PROXY, curl_http_proxy);
 		curl_easy_setopt(result, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
+#if LIBCURL_VERSION_NUM >= 0x071800
+		if (starts_with(curl_http_proxy, "socks5"))
+			curl_easy_setopt(result,
+				CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
+		else if (starts_with(curl_http_proxy, "socks4a"))
+			curl_easy_setopt(result,
+				CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4A);
+		else if (starts_with(curl_http_proxy, "socks"))
+			curl_easy_setopt(result,
+				CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4);
+#endif
 	}
 
 	set_curl_keepalive(result);
diff --git a/imap-send.c b/imap-send.c
index 37ac4aa86a..8c3fc212ba 100644
--- a/imap-send.c
+++ b/imap-send.c
@@ -1422,11 +1422,15 @@ static CURL *setup_curl(struct imap_server_conf *srvc)
 	curl_easy_setopt(curl, CURLOPT_PORT, server.port);
 
 	if (server.auth_method) {
+#if LIBCURL_VERSION_NUM < 0x072200
+		warning("No LOGIN_OPTIONS support in this cURL version");
+#else
 		struct strbuf auth = STRBUF_INIT;
 		strbuf_addstr(&auth, "AUTH=");
 		strbuf_addstr(&auth, server.auth_method);
 		curl_easy_setopt(curl, CURLOPT_LOGIN_OPTIONS, auth.buf);
 		strbuf_release(&auth);
+#endif
 	}
 
 	if (!server.use_ssl)
diff --git a/wrap-for-bin.sh b/wrap-for-bin.sh
index 701d2339b9..a151c95d4c 100644
--- a/wrap-for-bin.sh
+++ b/wrap-for-bin.sh
@@ -19,4 +19,11 @@ GIT_TEXTDOMAINDIR='@@BUILD_DIR@@/po/build/locale'
 PATH='@@BUILD_DIR@@/bin-wrappers:'"$PATH"
 export GIT_EXEC_PATH GITPERLLIB PATH GIT_TEXTDOMAINDIR
 
+if test -n "$TEST_GDB_GIT"
+then
+	exec gdb -args "${GIT_EXEC_PATH}/@@PROG@@" "$@"
+	echo "Could not run gdb -args ${GIT_EXEC_PATH}/@@PROG@@ $*" >&2
+	exit 1
+fi
+
 exec "${GIT_EXEC_PATH}/@@PROG@@" "$@"