--change-pin. New options --ctapi-driver, --pcsc-driver and
--disable-ccid
* options.h (DBG_CARD_IO): New.
* cardglue.c, cardclue.h: Enhanced.
* card-util.c: New. Taken from current the gnupg 1.9 branch.
* app-common.h, app-openpgp.c, iso7816.c, iso7816.h, apdu.c
* apdu.h, ccid-driver.c, ccid-driver.h: New. Takem from the current
gnupg 1.9 branch withy minor changes to include directives.
* Makefile.am: Added these files.
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.