Temporary header file '/tmp/MtPZ89j_D0/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/gretl/adf_kpss.h"
  #include "/usr/include/gretl/bhhh_max.h"
  #include "/usr/include/gretl/bootstrap.h"
  #include "/usr/include/gretl/boxplots.h"
  #include "/usr/include/gretl/calendar.h"
  #include "/usr/include/gretl/compare.h"
  #include "/usr/include/gretl/compat.h"
  #include "/usr/include/gretl/dataio.h"
  #include "/usr/include/gretl/dataset.h"
  #include "/usr/include/gretl/dbread.h"
  #include "/usr/include/gretl/describe.h"
  #include "/usr/include/gretl/discrete.h"
  #include "/usr/include/gretl/estimate.h"
  #include "/usr/include/gretl/forecast.h"
  #include "/usr/include/gretl/genfuncs.h"
  #include "/usr/include/gretl/genmain.h"
  #include "/usr/include/gretl/graphing.h"
  #include "/usr/include/gretl/gretl_array.h"
  #include "/usr/include/gretl/gretl_bfgs.h"
  #include "/usr/include/gretl/gretl_btree.h"
  #include "/usr/include/gretl/gretl_bundle.h"
  #include "/usr/include/gretl/gretl_cmatrix.h"
  #include "/usr/include/gretl/gretl_commands.h"
  #include "/usr/include/gretl/gretl_data_io.h"
  #include "/usr/include/gretl/gretl_errors.h"
  #include "/usr/include/gretl/gretl_f2c.h"
  #include "/usr/include/gretl/gretl_foreign.h"
  #include "/usr/include/gretl/gretl_func.h"
  #include "/usr/include/gretl/gretl_intl.h"
  #include "/usr/include/gretl/gretl_list.h"
  #include "/usr/include/gretl/gretl_matrix.h"
  #include "/usr/include/gretl/gretl_midas.h"
  #include "/usr/include/gretl/gretl_model.h"
  #include "/usr/include/gretl/gretl_normal.h"
  #include "/usr/include/gretl/gretl_panel.h"
  #include "/usr/include/gretl/gretl_paths.h"
  #include "/usr/include/gretl/gretl_prn.h"
  #include "/usr/include/gretl/gretl_restrict.h"
  #include "/usr/include/gretl/gretl_string_table.h"
  #include "/usr/include/gretl/gretl_typemap.h"
  #include "/usr/include/gretl/gretl_untar.h"
  #include "/usr/include/gretl/gretl_utils.h"
  #include "/usr/include/gretl/gretl_win32.h"
  #include "/usr/include/gretl/gretl_www.h"
  #include "/usr/include/gretl/gretl_xml.h"
  #include "/usr/include/gretl/gretl_zip.h"
  #include "/usr/include/gretl/interact.h"
  #include "/usr/include/gretl/johansen.h"
  #include "/usr/include/gretl/kalman.h"
  #include "/usr/include/gretl/libgretl.h"
  #include "/usr/include/gretl/libset.h"
  #include "/usr/include/gretl/matrix_extra.h"
  #include "/usr/include/gretl/missing.h"
  #include "/usr/include/gretl/modelprint.h"
  #include "/usr/include/gretl/monte_carlo.h"
  #include "/usr/include/gretl/nls.h"
  #include "/usr/include/gretl/nonparam.h"
  #include "/usr/include/gretl/objstack.h"
  #include "/usr/include/gretl/options.h"
  #include "/usr/include/gretl/plotspec.h"
  #include "/usr/include/gretl/plugins.h"
  #include "/usr/include/gretl/printout.h"
  #include "/usr/include/gretl/printscan.h"
  #include "/usr/include/gretl/pvalues.h"
  #include "/usr/include/gretl/qr_estimate.h"
  #include "/usr/include/gretl/random.h"
  #include "/usr/include/gretl/strutils.h"
  #include "/usr/include/gretl/subsample.h"
  #include "/usr/include/gretl/system.h"
  #include "/usr/include/gretl/texprint.h"
  #include "/usr/include/gretl/transforms.h"
  #include "/usr/include/gretl/tsls.h"
  #include "/usr/include/gretl/usermat.h"
  #include "/usr/include/gretl/uservar.h"
  #include "/usr/include/gretl/var.h"
  #include "/usr/include/gretl/varprint.h"
  #include "/usr/include/gretl/vartest.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/MtPZ89j_D0/dump1.h"  -I/usr/include/libxml2

In file included from /usr/include/gretl/gretl_utils.h:23,
                 from /tmp/MtPZ89j_D0/dump1.h:53:
/usr/include/gretl/libgretl.h:45:10: fatal error: glib.h: No such file or directory
   45 | #include <glib.h>
      |          ^~~~~~~~
compilation terminated.