Temporary header file '/tmp/toWqBzen1w/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _GXX_NULLPTR_T
#define CLUTTER_ENABLE_COMPOSITOR_API 1
#define _REGEX_NELTS(n)
#define _Atomic
#define PACKED
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/claw/tween/base_tweener.hpp"
  #include "/usr/include/claw/tween/easing/easing_back.hpp"
  #include "/usr/include/claw/tween/easing/easing_bounce.hpp"
  #include "/usr/include/claw/tween/easing/easing_circ.hpp"
  #include "/usr/include/claw/tween/easing/easing_cubic.hpp"
  #include "/usr/include/claw/tween/easing/easing_elastic.hpp"
  #include "/usr/include/claw/tween/easing/easing_expo.hpp"
  #include "/usr/include/claw/tween/easing/easing_linear.hpp"
  #include "/usr/include/claw/tween/easing/easing_none.hpp"
  #include "/usr/include/claw/tween/easing/easing_quad.hpp"
  #include "/usr/include/claw/tween/easing/easing_quart.hpp"
  #include "/usr/include/claw/tween/easing/easing_quint.hpp"
  #include "/usr/include/claw/tween/easing/easing_sine.hpp"
  #include "/usr/include/claw/tween/easing/symmetric_easing.hpp"
  #include "/usr/include/claw/tween/single_tweener.hpp"
  #include "/usr/include/claw/tween/tweener.hpp"
  #include "/usr/include/claw/tween/tweener_group.hpp"
  #include "/usr/include/claw/tween/tweener_sequence.hpp"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/toWqBzen1w/dump1.h"

In file included from /tmp/toWqBzen1w/dump1.h:12:
/usr/include/claw/tween/base_tweener.hpp:33:10: fatal error: boost/function.hpp: No such file or directory
   33 | #include <boost/function.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.