For compatibility reasons a few new files had to be added.
Also added estream-printf as this is now used in app-openpgp.c and provides
a better and generic asprintf implementation than the hack we used for the
W32 code in ttyio.c. Card code is not yet finished.
exit if it cannot lock memory. Also remove --nrsign-key and --nrlsign-key
since this can better be done via --edit-key.
* secmem.c (secmem_init): Return a flag to indicate whether we got the
lock.
* memory.h: Return a flag to indicate whether we got the lock.
default and tehre is not yet much more than a new configure option.
* configure.ac (LIBUSB_LIBS,HAVE_LIBUSB): Check for Libusb.
(--enable-card-support): New.
* sign.c (do_sign) [ENABLE_CARD_SUPPORT]: Divert to card.
* cardglue.c, cardglue.h: New.
* Makefile.am (gpg_LDADD): Added.
(card_support_sources): New.
* memory.h (xmalloc): Define xmalloc macros in terms of m_alloc.