Temporary header file '/tmp/SgqYRTbEEM/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 #ifdef __cplusplus // C17 compat layer #define _Alignof(type) alignof(type) #endif #define getaddrinfo_a(a,b,c,d) #define WANT_MATH #define WANT_STREAM // add includes #include "/usr/include/newmat/config.h" #include "/usr/include/newmat/myexcept.h" #include "/usr/include/newmat/controlw.h" #include "/usr/include/newmat/include.h" #include "/usr/include/newmat/newmat.h" #include "/usr/include/newmat/newmatap.h" #include "/usr/include/newmat/newmatio.h" #include "/usr/include/newmat/newmatnl.h" #include "/usr/include/newmat/newmatrc.h" #include "/usr/include/newmat/newmatrm.h" #include "/usr/include/newmat/precisio.h" #include "/usr/include/newmat/solution.h" // add namespaces namespace NEWMAT{typedef int tmp_add_type_1;} NEWMAT::tmp_add_type_1 tmp_add_func_1(){return 0;}; namespace RBD_COMMON{typedef int tmp_add_type_2;} RBD_COMMON::tmp_add_type_2 tmp_add_func_2(){return 0;}; namespace RBD_LIBRARIES{typedef int tmp_add_type_3;} RBD_LIBRARIES::tmp_add_type_3 tmp_add_func_3(){return 0;}; // add classes ControlWord* tmp_add_class_0; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w -std=gnu++98 "/tmp/SgqYRTbEEM/dump1.h"