Temporary header file '/tmp/iQkwiJ5Omi/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) // add includes #include "/usr/include/arm-linux-gnueabihf/qt5/QGSettings/qgsettings.h" // add namespaces namespace QAlgorithmsPrivate{typedef int tmp_add_type_1;} QAlgorithmsPrivate::tmp_add_type_1 tmp_add_func_1(){return 0;}; namespace Qt{typedef int tmp_add_type_2;} Qt::tmp_add_type_2 tmp_add_func_2(){return 0;}; namespace QtGlobalStatic{typedef int tmp_add_type_3;} QtGlobalStatic::tmp_add_type_3 tmp_add_func_3(){return 0;}; namespace QtMetaTypePrivate{typedef int tmp_add_type_4;} QtMetaTypePrivate::tmp_add_type_4 tmp_add_func_4(){return 0;}; namespace QtMetaTypePrivate{namespace QtPrivate{typedef int tmp_add_type_5;}} QtMetaTypePrivate::QtPrivate::tmp_add_type_5 tmp_add_func_5(){return 0;}; namespace QtMetaTypePrivate{namespace QtPrivate{namespace ContainerCapabilitiesMetaProgrammingHelper{typedef int tmp_add_type_6;}}} QtMetaTypePrivate::QtPrivate::ContainerCapabilitiesMetaProgrammingHelper::tmp_add_type_6 tmp_add_func_6(){return 0;}; namespace QtPrivate{typedef int tmp_add_type_7;} QtPrivate::tmp_add_type_7 tmp_add_func_7(){return 0;}; namespace QtPrivate{namespace DeprecatedRefClassBehavior{typedef int tmp_add_type_8;}} QtPrivate::DeprecatedRefClassBehavior::tmp_add_type_8 tmp_add_func_8(){return 0;}; namespace QtPrivate{namespace SwapExceptionTester{typedef int tmp_add_type_9;}} QtPrivate::SwapExceptionTester::tmp_add_type_9 tmp_add_func_9(){return 0;}; // add classes QArrayData* tmp_add_class_0; QAtomicInt* tmp_add_class_1; QByteArray* tmp_add_class_2; QByteArrayDataPtr* tmp_add_class_3; QByteRef* tmp_add_class_4; QChar* tmp_add_class_5; QCharRef* tmp_add_class_6; QFlag* tmp_add_class_7; QGSettings* tmp_add_class_8; QGenericArgument* tmp_add_class_9; QGenericReturnArgument* tmp_add_class_10; QIncompatibleFlag* tmp_add_class_11; QInternal* tmp_add_class_12; QLatin1Char* tmp_add_class_13; QLatin1String* tmp_add_class_14; QListData* tmp_add_class_15; QMessageLogContext* tmp_add_class_16; QMessageLogger* tmp_add_class_17; QMetaObject* tmp_add_class_18; QMetaType* tmp_add_class_19; QObject* tmp_add_class_20; QObjectData* tmp_add_class_21; QObjectUserData* tmp_add_class_22; QRegExp* tmp_add_class_23; QScopedPointerPodDeleter* tmp_add_class_24; QSignalBlocker* tmp_add_class_25; QString* tmp_add_class_26; QStringDataPtr* tmp_add_class_27; QStringList* tmp_add_class_28; QStringMatcher* tmp_add_class_29; QStringRef* tmp_add_class_30; QStringView* tmp_add_class_31; QSysInfo* tmp_add_class_32; _G_fpos64_t* tmp_add_class_33; _G_fpos_t* tmp_add_class_34; _IO_cookie_io_functions_t* tmp_add_class_35; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/iQkwiJ5Omi/dump1.h" -I/usr/include/arm-linux-gnueabihf/qt5 -I/usr/include/arm-linux-gnueabihf/qt5/QtCore