panda3d/dtool/metalibs/dtoolconfig/Sources.pp

// DIR_TYPE "metalib" indicates we are building a shared library that
// consists mostly of references to other shared libraries.  Under
// Windows, this directly produces a DLL (as opposed to the regular
// src libraries, which don't produce anything but a pile of OBJ files
// under Windows).

#define DIR_TYPE metalib
#define BUILDING_DLL BUILDING_DTOOLCONFIG

#define COMPONENT_LIBS p3interrogatedb p3dconfig p3prc
#define LOCAL_LIBS p3dtoolutil p3dtoolbase
#define USE_PACKAGES python ssl

#begin metalib_target
  #define TARGET p3dtoolconfig

  #define SOURCES dtoolconfig.cxx \
     $[if $[HAVE_PYTHON], pydtool.cxx]
#end metalib_target