Temporary header file '/tmp/Rc4z22JucY/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/nanogui/include/fontstash.h" #include "/usr/include/mrpt/nanogui/include/nanogui/button.h" #include "/usr/include/mrpt/nanogui/include/nanogui/checkbox.h" #include "/usr/include/mrpt/nanogui/include/nanogui/colorpicker.h" #include "/usr/include/mrpt/nanogui/include/nanogui/colorwheel.h" #include "/usr/include/mrpt/nanogui/include/nanogui/combobox.h" #include "/usr/include/mrpt/nanogui/include/nanogui/common.h" #include "/usr/include/mrpt/nanogui/include/nanogui/entypo.h" #include "/usr/include/mrpt/nanogui/include/nanogui/formhelper.h" #include "/usr/include/mrpt/nanogui/include/nanogui/glcanvas.h" #include "/usr/include/mrpt/nanogui/include/nanogui/glutil.h" #include "/usr/include/mrpt/nanogui/include/nanogui/graph.h" #include "/usr/include/mrpt/nanogui/include/nanogui/imagepanel.h" #include "/usr/include/mrpt/nanogui/include/nanogui/imageview.h" #include "/usr/include/mrpt/nanogui/include/nanogui/label.h" #include "/usr/include/mrpt/nanogui/include/nanogui/layout.h" #include "/usr/include/mrpt/nanogui/include/nanogui/messagedialog.h" #include "/usr/include/mrpt/nanogui/include/nanogui/nanogui.h" #include "/usr/include/mrpt/nanogui/include/nanogui/object.h" #include "/usr/include/mrpt/nanogui/include/nanogui/opengl.h" #include "/usr/include/mrpt/nanogui/include/nanogui/popup.h" #include "/usr/include/mrpt/nanogui/include/nanogui/popupbutton.h" #include "/usr/include/mrpt/nanogui/include/nanogui/progressbar.h" #include "/usr/include/mrpt/nanogui/include/nanogui/python.h" #include "/usr/include/mrpt/nanogui/include/nanogui/screen.h" #include "/usr/include/mrpt/nanogui/include/nanogui/serializer/core.h" #include "/usr/include/mrpt/nanogui/include/nanogui/serializer/opengl.h" #include "/usr/include/mrpt/nanogui/include/nanogui/serializer/sparse.h" #include "/usr/include/mrpt/nanogui/include/nanogui/slider.h" #include "/usr/include/mrpt/nanogui/include/nanogui/stackedwidget.h" #include "/usr/include/mrpt/nanogui/include/nanogui/tabheader.h" #include "/usr/include/mrpt/nanogui/include/nanogui/tabwidget.h" #include "/usr/include/mrpt/nanogui/include/nanogui/textbox.h" #include "/usr/include/mrpt/nanogui/include/nanogui/theme.h" #include "/usr/include/mrpt/nanogui/include/nanogui/toolbutton.h" #include "/usr/include/mrpt/nanogui/include/nanogui/vscrollpanel.h" #include "/usr/include/mrpt/nanogui/include/nanogui/widget.h" #include "/usr/include/mrpt/nanogui/include/nanogui/window.h" #include "/usr/include/mrpt/nanogui/include/nanogui-config.h" #include "/usr/include/mrpt/nanogui/include/nanovg.h" #include "/usr/include/mrpt/nanogui/include/nanovg_gl.h" #include "/usr/include/mrpt/nanogui/include/nanovg_gl_utils.h" #include "/usr/include/mrpt/nanogui/include/stb_image.h" #include "/usr/include/mrpt/nanogui/include/stb_truetype.h" The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/Rc4z22JucY/dump1.h" -I/usr/include/mrpt/nanogui/include In file included from /usr/include/mrpt/nanogui/include/nanogui/object.h:15, from /usr/include/mrpt/nanogui/include/nanogui/widget.h:15, from /usr/include/mrpt/nanogui/include/nanogui/button.h:17, from /tmp/Rc4z22JucY/dump1.h:13: /usr/include/mrpt/nanogui/include/nanogui/common.h:30:10: fatal error: Eigen/Core: No such file or directory 30 | #include | ^~~~~~~~~~~~ compilation terminated.