Temporary header file '/tmp/2YWMKvhLem/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/frog/AlpinoParser.h"
  #include "/usr/include/frog/Frog-util.h"
  #include "/usr/include/frog/FrogAPI.h"
  #include "/usr/include/frog/FrogData.h"
  #include "/usr/include/frog/Parser.h"
  #include "/usr/include/frog/cgn_tagger_mod.h"
  #include "/usr/include/frog/ckyparser.h"
  #include "/usr/include/frog/clex.h"
  #include "/usr/include/frog/csidp.h"
  #include "/usr/include/frog/iob_tagger_mod.h"
  #include "/usr/include/frog/mblem_mod.h"
  #include "/usr/include/frog/mbma_brackets.h"
  #include "/usr/include/frog/mbma_mod.h"
  #include "/usr/include/frog/mbma_rule.h"
  #include "/usr/include/frog/mwu_chunker_mod.h"
  #include "/usr/include/frog/ner_tagger_mod.h"
  #include "/usr/include/frog/tagger_base.h"
  #include "/usr/include/frog/ucto_tokenizer_mod.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/2YWMKvhLem/dump1.h"

In file included from /tmp/2YWMKvhLem/dump1.h:12:
/usr/include/frog/AlpinoParser.h:38:10: fatal error: libxml/tree.h: No such file or directory
   38 | #include <libxml/tree.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.