Temporary header file '/tmp/G99VqIIB8P/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/clsync/clsync.h"
  #include "/usr/include/clsync/configuration.h"
  #include "/usr/include/clsync/ctx.h"
  #include "/usr/include/clsync/error.h"
  #include "/usr/include/clsync/indexes.h"
  #include "/usr/include/clsync/malloc.h"
  #include "/usr/include/clsync/port-hacks.h"
  #include "/usr/include/clsync/socket.h"
  #include "/usr/include/libclsync/clsync.h"
  #include "/usr/include/libclsync/ctx.h"
  #include "/usr/include/libclsync/libclsync.h"
  #include "/usr/include/libclsync/malloc.h"
  #include "/usr/include/libclsync/socket.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/G99VqIIB8P/dump1.h"  -I/usr/include/clsync

In file included from /tmp/G99VqIIB8P/dump1.h:16:
/usr/include/clsync/indexes.h:23:10: fatal error: glib.h: No such file or directory
   23 | #include <glib.h>
      |          ^~~~~~~~
compilation terminated.