Temporary header file '/tmp/Zr_QPnIgiu/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/mrpt/random/include/mrpt/random/RandomGenerators.h" #include "/usr/include/mrpt/random/include/mrpt/random/portable_uniform_distribution.h" #include "/usr/include/mrpt/random/include/mrpt/random/random_shuffle.h" #include "/usr/include/mrpt/random/include/mrpt/random.h" // add namespaces namespace Eigen{typedef int tmp_add_type_1;} Eigen::tmp_add_type_1 tmp_add_func_1(){return 0;}; namespace mrpt{typedef int tmp_add_type_2;} mrpt::tmp_add_type_2 tmp_add_func_2(){return 0;}; namespace mrpt{namespace random{typedef int tmp_add_type_3;}} mrpt::random::tmp_add_type_3 tmp_add_func_3(){return 0;}; // add classes _G_fpos64_t* tmp_add_class_0; _G_fpos_t* tmp_add_class_1; _IO_cookie_io_functions_t* tmp_add_class_2; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/Zr_QPnIgiu/dump1.h" -I/usr/include/mrpt/random/include