I'm going crazy!
this time, compiled as before,
without the line pkg-config ...
and have something different!
this is what I get
-------------- Build: Debug in gtkapi ---------------
Compiling: gtkApi.cpp
In file included from / usr/include/glib-2.0/glib/galloca.h: 34:0,
from / usr/include/glib-2.0/glib.h: 32,
from / usr/include/glib-2.0/gobject/gbinding.h: 30,
from / usr/include/glib-2.0/glib-object.h: 25,
from / usr/include/glib-2.0/gio/gioenums.h: 30,
from / usr/include/glib-2.0/gio/giotypes.h: 30,
from / usr/include/glib-2.0/gio/gio.h: 28,
from / usr/include/gtk-2.0/gdk/gdkapplaunchcontext.h: 30,
from / usr/include/gtk-2.0/gdk/gdk.h: 32,
from / usr/include/gtk-2.0/gtk/gtk.h: 32,
from / home / jose / Documents / program / GTK / gtkapi / gtkApi.cpp: 7:
/ usr/include/glib-2.0/glib/gtypes.h: 34:24: Fatal error: glibconfig.h: File or directory does not exist
finished building.
Process terminated with status 1 (0 minutes, 0 seconds)
1 errors, 0 warnings