WIP

tbuild.py

@@ -0,0 +1,37 @@
+#!/usr/bin/python
+from cffi import FFI
+
+ffibuilder = FFI()
+
+# cdef() expects a single string declaring the C types, functions and
+# globals needed to use the shared object. It must be in valid C syntax.
+ffibuilder.cdef(
+    """
+typedef ... dns_name;
+typedef ... dns_name_t;
+
+static inline void
+dns_name_init(dns_name_t *name, unsigned char *offsets);
+
+uint32_t
+dns_name_hash(const dns_name_t *name);
+"""
+)
+
+# set_source() gives the name of the python extension module to
+# produce, and some C source code as a string.  This C code needs
+# to make the declarated functions, types and globals available,
+# so it is often just the "#include".
+ffibuilder.set_source(
+    "_pi_cffi",
+    """
+     #include "dns/name.h"   // the C header of the library
+""",
+    libraries=["dns"],
+    include_dirs=["lib/dns/include", "lib/isc/include"],
+)  # library name, for the linker
+
+if __name__ == "__main__":
+    ffibuilder.compile(
+        verbose=True,
+    )