Temporary header file '/tmp/QewdIODh_6/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/libmate-slab/app-resizer.h" #include "/usr/include/libmate-slab/app-shell.h" #include "/usr/include/libmate-slab/application-tile.h" #include "/usr/include/libmate-slab/bookmark-agent.h" #include "/usr/include/libmate-slab/double-click-detector.h" #include "/usr/include/libmate-slab/libslab-utils.h" #include "/usr/include/libmate-slab/mate-utils.h" #include "/usr/include/libmate-slab/nameplate-tile.h" #include "/usr/include/libmate-slab/nld-marshal.h" #include "/usr/include/libmate-slab/search-bar.h" #include "/usr/include/libmate-slab/shell-window.h" #include "/usr/include/libmate-slab/slab-mate-util.h" #include "/usr/include/libmate-slab/slab-section.h" #include "/usr/include/libmate-slab/slab.h" #include "/usr/include/libmate-slab/tile.h" The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/QewdIODh_6/dump1.h" In file included from /tmp/QewdIODh_6/dump1.h:12: /usr/include/libmate-slab/app-resizer.h:24:10: fatal error: glib.h: No such file or directory 24 | #include | ^~~~~~~~ compilation terminated.