Re: [PATCH v2] ci: do not die on deprecated-declarations warning

On Sat, Jan 14, 2023 at 09:13:14AM -0800, Junio C Hamano wrote:

+# Libraries deprecate symbols while retaining them for a long time to
+# keep software working with both older and newer versions of them.
+# Getting warnings does help the developers' awareness, but we cannot
+# afford to update too aggressively.  E.g. CURLOPT_REDIR_PROTOCOLS_STR
+# is only available in 7.85.0 that deprecates CURLOPT_REDIR_PROTOCOLS
+# but we cannot rewrite the uses of the latter with the former until
+# 7.85.0, which was released in August 2022, becomes ubiquitous.
+DEVELOPER_CFLAGS += -DCURL_DISABLE_DEPRECATION

This seems like a reasonable middle ground to me.

Though we could perhaps even just add it to the main Makefile, and
always pass it. People who aren't using DEVELOPER=1 might be annoyed by
the warnings (and might even be using -Werror themselves!).

-Peff