Temporary header file '/tmp/ACfO5GJIUn/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/chafa/chafa-term-seq-def.h" #include "/usr/include/chafa/chafa.h" #include "/usr/lib/arm-linux-gnueabihf/chafa/include/chafaconfig.h" The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/ACfO5GJIUn/dump1.h" -I/usr/include/chafa -I/usr/lib/arm-linux-gnueabihf/chafa/include In file included from /tmp/ACfO5GJIUn/dump1.h:13: /usr/include/chafa/chafa.h:24:10: fatal error: glib.h: No such file or directory 24 | #include | ^~~~~~~~ compilation terminated.