Temporary header file '/tmp/kw5SsaOdPX/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/mono-2.0/mono/jit/jit.h"
  #include "/usr/include/mono-2.0/mono/metadata/appdomain.h"
  #include "/usr/include/mono-2.0/mono/metadata/assembly.h"
  #include "/usr/include/mono-2.0/mono/metadata/attrdefs.h"
  #include "/usr/include/mono-2.0/mono/metadata/blob.h"
  #include "/usr/include/mono-2.0/mono/metadata/class.h"
  #include "/usr/include/mono-2.0/mono/metadata/debug-helpers.h"
  #include "/usr/include/mono-2.0/mono/metadata/debug-mono-symfile.h"
  #include "/usr/include/mono-2.0/mono/metadata/environment.h"
  #include "/usr/include/mono-2.0/mono/metadata/exception.h"
  #include "/usr/include/mono-2.0/mono/metadata/image.h"
  #include "/usr/include/mono-2.0/mono/metadata/loader.h"
  #include "/usr/include/mono-2.0/mono/metadata/metadata.h"
  #include "/usr/include/mono-2.0/mono/metadata/mono-config.h"
  #include "/usr/include/mono-2.0/mono/metadata/mono-debug.h"
  #include "/usr/include/mono-2.0/mono/metadata/mono-gc.h"
  #include "/usr/include/mono-2.0/mono/metadata/object-forward.h"
  #include "/usr/include/mono-2.0/mono/metadata/object.h"
  #include "/usr/include/mono-2.0/mono/metadata/opcodes.h"
  #include "/usr/include/mono-2.0/mono/metadata/profiler-events.h"
  #include "/usr/include/mono-2.0/mono/metadata/profiler.h"
  #include "/usr/include/mono-2.0/mono/metadata/reflection.h"
  #include "/usr/include/mono-2.0/mono/metadata/row-indexes.h"
  #include "/usr/include/mono-2.0/mono/metadata/sgen-bridge.h"
  #include "/usr/include/mono-2.0/mono/metadata/threads.h"
  #include "/usr/include/mono-2.0/mono/metadata/tokentype.h"
  #include "/usr/include/mono-2.0/mono/metadata/verify.h"
  #include "/usr/include/mono-2.0/mono/utils/mono-counters.h"
  #include "/usr/include/mono-2.0/mono/utils/mono-dl-fallback.h"
  #include "/usr/include/mono-2.0/mono/utils/mono-error.h"
  #include "/usr/include/mono-2.0/mono/utils/mono-forward.h"
  #include "/usr/include/mono-2.0/mono/utils/mono-jemalloc.h"
  #include "/usr/include/mono-2.0/mono/utils/mono-logger.h"
  #include "/usr/include/mono-2.0/mono/utils/mono-publib.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/kw5SsaOdPX/dump1.h"  -I/usr/include/mono-2.0

In file included from /tmp/kw5SsaOdPX/dump1.h:19:
/usr/include/mono-2.0/mono/metadata/debug-mono-symfile.h:12:10: fatal error: glib.h: No such file or directory
   12 | #include <glib.h>
      |          ^~~~~~~~
compilation terminated.