Temporary header file '/tmp/rmQ3xkR5Go/dump1.h' with the following content will be compiled to create GCC translation unit dump: // add defines #define __STDC_VERSION__ 201710L #define _FILE_OFFSET_BITS 64 #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/soundio/endian.h" #include "/usr/include/soundio/soundio.h" // add classes SoundIo* tmp_add_class_0; SoundIoChannelArea* tmp_add_class_1; SoundIoChannelLayout* tmp_add_class_2; SoundIoDevice* tmp_add_class_3; SoundIoInStream* tmp_add_class_4; SoundIoOutStream* tmp_add_class_5; SoundIoSampleRateRange* tmp_add_class_6; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/rmQ3xkR5Go/dump1.h"