GnuPG 1.9.20 on MacOS X - Question about agent

[Charly Avital]

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Thanks to the patches posted by Remco Post in this forum, for libksba
and gnupg 1.9.20, I could have the latter configured for:
Platform:  Darwin (powerpc-apple-darwin8.5.0)

        OpenPGP:   no
        S/MIME:    yes
        Agent:     yes
        Smartcard: yes

        Protect tool:      (default)
        Default agent:     (default)
        Default pinentry:  (default)
        Default scdaemon:  (default)
        Default dirmngr:   (default)

        PKITS based tests: no

But 'make' posts the warning:
- ----------
gpgparsemail.c:150: error: static declaration of 'stpcpy' follows
non-static declaration
gpgparsemail.c: In function 'parse_message':
gpgparsemail.c:603: warning: pointer targets in passing argument 2 of
'rfc822parse_insert' differ in signedness
make[1]: *** [gpgparsemail.o] Error 1
make: *** [check-recursive] Error 1
- ----------------

and of course 'sudo make install' warns:
- -------
then mv -f ".deps/gpgparsemail.Tpo" ".deps/gpgparsemail.Po"; else rm -f
".deps/gpgparsemail.Tpo"; exit 1; fi
gpgparsemail.c:150: error: static declaration of 'stpcpy' follows
non-static declaration
gpgparsemail.c: In function 'parse_message':
gpgparsemail.c:603: warning: pointer targets in passing argument 2 of
'rfc822parse_insert' differ in signedness
make[1]: *** [gpgparsemail.o] Error 1
make: *** [install-recursive] Error 1
- ---------------

Running MacOS X 10.4.5, gpg 1.4.2.2, S/MIME works correctly,

But when I enable the use of agent in gpg.conf and in the MUA
(Thunderbird 1.5+enigmail 0.94.0) I get a warning that the passphrase is
not correct.

Is this because of the 'parse_message' error, and if so, how could I remedy?

Thanks, and sorry for cross posting
Charly
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Version: GnuPG v1.4.2.2 (Darwin)
Comment: GnuPG for Privacy
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

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