Improve MacOSX portability: many thanks to Daniel Macks <dmacks@netspace.org> from #fink irc channel.

configure.ac

@@ -60,10 +60,18 @@ AC_SUBST(LIBUSB_CFLAGS)
 ## libpcsclite
 if test "x$enable_pcsc_lite" = "xyes"
 then
+case "$host" in
+  *darwin*)
+    AC_MSG_WARN(Using darwin PCSC Framework)
+    LIBPCSCLITE_LIBS=-Wl,-framework,PCSC
+  ;;
+  *)
   PKG_CHECK_MODULES(LIBPCSCLITE, libpcsclite, [WITH_PCSC=1], [WITH_PCSC=0])
   if test "$WITH_PCSC" = "0" ; then
     AC_MSG_ERROR([libpcsclite is mandatory.])
   fi
+  ;;
+esac
   AC_SUBST(LIBPCSCLITE_LIBS)
   AC_SUBST(LIBPCSCLITE_CFLAGS)
 fi

src/dev_acr122.c

@@ -25,7 +25,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 #include <stddef.h>
 #include <string.h>
 
+#ifndef __APPLE__
 #include <winscard.h>
+#else
+#include <PCSC/winscard.h>
+#endif
 
 #include "defines.h"
 #include "bitutils.h"