build: Generate ip_asn.dat.h during build process

This can be disabled with -DWITH_EMBEDDED_ASMAP=OFF.

CMakeLists.txt

@@ -127,6 +127,8 @@ if(WITH_ZMQ)
   find_package(ZeroMQ 4.0.0 MODULE REQUIRED)
 endif()
 
+option(WITH_EMBEDDED_ASMAP "Embed default ASMap data." ON)
+
 option(WITH_USDT "Enable tracepoints for Userspace, Statically Defined Tracing." OFF)
 if(WITH_USDT)
   find_package(USDT MODULE REQUIRED)
@@ -216,6 +218,7 @@ if(BUILD_FOR_FUZZING)
   set(BUILD_GUI OFF)
   set(ENABLE_EXTERNAL_SIGNER OFF)
   set(WITH_ZMQ OFF)
+  set(WITH_EMBEDDED_ASMAP OFF)
   set(BUILD_TESTS OFF)
   set(BUILD_GUI_TESTS OFF)
   set(BUILD_BENCH OFF)
@@ -667,6 +670,7 @@ else()
   set(ipc_status OFF)
 endif()
 message("  IPC ................................. ${ipc_status}")
+message("  Embedded ASMap ...................... ${WITH_EMBEDDED_ASMAP}")
 message("  USDT tracing ........................ ${WITH_USDT}")
 message("  QR code (GUI) ....................... ${WITH_QRENCODE}")
 message("  DBus (GUI) .......................... ${WITH_DBUS}")