libnfc can now be compiled using autotools and libtool.

It now provide a pkg-config file allowing a simplified compilation against libnfc.

configure.ac

@@ -0,0 +1,40 @@
+AC_INIT(libnfc, 1.1.1, roel@libnfc.org)
+
+AC_CONFIG_HEADER(config.h)
+AM_INIT_AUTOMAKE
+
+AC_LANG_C
+AC_PROG_CC
+AC_PROG_MAKE_SET
+AC_PROG_LIBTOOL
+AC_PROG_RANLIB
+
+AC_PATH_PROG(PKG_CONFIG, pkg-config)
+
+# Checks for header files.
+AC_HEADER_STDC
+AC_CHECK_HEADERS([stdlib.h])
+
+
+# libusb
+PKG_CHECK_MODULES(LIBUSB, libusb, [WITH_USB=1], [WITH_USB=0])
+if test "$WITH_USB" == "0" ; then
+  AC_MSG_ERROR([libusb is mandatory.])
+fi
+AC_SUBST(LIBUSB_LIBS)
+AC_SUBST(LIBUSB_CFLAGS)
+
+# libpcsclite
+PKG_CHECK_MODULES(LIBPCSCLITE, libpcsclite, [WITH_PCSC=1], [WITH_PCSC=0])
+if test "$WITH_PCSC" == "0" ; then
+  AC_MSG_ERROR([libpcsclite is mandatory.])
+fi
+AC_SUBST(LIBPCSCLITE_LIBS)
+AC_SUBST(LIBPCSCLITE_CFLAGS)
+
+AC_CONFIG_FILES([
+		Makefile
+		libnfc.pc
+		])
+
+AC_OUTPUT