Temporary header file '/tmp/Y2W0VFpYdM/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/opengl/include/mrpt/opengl/CArrow.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CAssimpModel.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CAxis.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CBox.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CCamera.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CColorBar.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CCylinder.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CDisk.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CEllipsoid2D.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CEllipsoid3D.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CEllipsoidInverseDepth2D.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CEllipsoidInverseDepth3D.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CEllipsoidRangeBearing2D.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CFBORender.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CFrustum.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CGeneralizedEllipsoidTemplate.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CGridPlaneXY.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CGridPlaneXZ.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CMesh.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CMesh3D.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CMeshFast.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/COctoMapVoxels.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/COctreePointRenderer.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/COpenGLBuffer.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/COpenGLFramebuffer.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/COpenGLScene.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/COpenGLVertexArrayObject.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/COpenGLViewport.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CPointCloud.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CPointCloudColoured.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CPolyhedron.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CRenderizable.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CRenderizableShaderPoints.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CRenderizableShaderText.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CRenderizableShaderTexturedTriangles.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CRenderizableShaderTriangles.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CRenderizableShaderWireFrame.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CSetOfLines.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CSetOfObjects.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CSetOfTexturedTriangles.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CSetOfTriangles.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CSimpleLine.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CSphere.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CText.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CText3D.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CTextMessageCapable.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CTexturedPlane.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CVectorField2D.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/CVectorField3D.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/DefaultShaders.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/PLY_import_export.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/RenderQueue.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/Shader.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/TLightParameters.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/TRenderMatrices.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/TTriangle.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/Visualizable.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/graph_tools.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/graph_tools_impl.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/opengl_api.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/opengl_fonts.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/opengl_frwds.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/pointcloud_adapters.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/pose_pdfs.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/registerAllClasses.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl/stock_objects.h"
  #include "/usr/include/mrpt/opengl/include/mrpt/opengl.h"

  // add namespaces
  namespace cv{typedef int tmp_add_type_1;}
  cv::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace Eigen{typedef int tmp_add_type_2;}
  Eigen::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace mexplus{typedef int tmp_add_type_3;}
  mexplus::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace mrpt{typedef int tmp_add_type_4;}
  mrpt::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace mrpt{namespace config{typedef int tmp_add_type_5;}}
  mrpt::config::tmp_add_type_5 tmp_add_func_5(){return 0;};
  namespace mrpt{namespace containers{typedef int tmp_add_type_6;}}
  mrpt::containers::tmp_add_type_6 tmp_add_func_6(){return 0;};
  namespace mrpt{namespace containers{namespace internal{typedef int tmp_add_type_7;}}}
  mrpt::containers::internal::tmp_add_type_7 tmp_add_func_7(){return 0;};
  namespace mrpt{namespace img{typedef int tmp_add_type_8;}}
  mrpt::img::tmp_add_type_8 tmp_add_func_8(){return 0;};
  namespace mrpt{namespace internal{typedef int tmp_add_type_9;}}
  mrpt::internal::tmp_add_type_9 tmp_add_func_9(){return 0;};
  namespace mrpt{namespace io{typedef int tmp_add_type_10;}}
  mrpt::io::tmp_add_type_10 tmp_add_func_10(){return 0;};
  namespace mrpt{namespace literals{typedef int tmp_add_type_11;}}
  mrpt::literals::tmp_add_type_11 tmp_add_func_11(){return 0;};
  namespace mrpt{namespace math{typedef int tmp_add_type_12;}}
  mrpt::math::tmp_add_type_12 tmp_add_func_12(){return 0;};
  namespace mrpt{namespace math{namespace internal{typedef int tmp_add_type_13;}}}
  mrpt::math::internal::tmp_add_type_13 tmp_add_func_13(){return 0;};
  namespace mrpt{namespace opengl{typedef int tmp_add_type_14;}}
  mrpt::opengl::tmp_add_type_14 tmp_add_func_14(){return 0;};
  namespace mrpt{namespace opengl{namespace internal{typedef int tmp_add_type_15;}}}
  mrpt::opengl::internal::tmp_add_type_15 tmp_add_func_15(){return 0;};
  namespace mrpt{namespace poses{typedef int tmp_add_type_16;}}
  mrpt::poses::tmp_add_type_16 tmp_add_func_16(){return 0;};
  namespace mrpt{namespace poses{namespace detail{typedef int tmp_add_type_17;}}}
  mrpt::poses::detail::tmp_add_type_17 tmp_add_func_17(){return 0;};
  namespace mrpt{namespace rtti{typedef int tmp_add_type_18;}}
  mrpt::rtti::tmp_add_type_18 tmp_add_func_18(){return 0;};
  namespace mrpt{namespace rtti{namespace internal{typedef int tmp_add_type_19;}}}
  mrpt::rtti::internal::tmp_add_type_19 tmp_add_func_19(){return 0;};
  namespace mrpt{namespace serialization{typedef int tmp_add_type_20;}}
  mrpt::serialization::tmp_add_type_20 tmp_add_func_20(){return 0;};
  namespace mrpt{namespace system{typedef int tmp_add_type_21;}}
  mrpt::system::tmp_add_type_21 tmp_add_func_21(){return 0;};
  namespace mrpt{namespace typemeta{typedef int tmp_add_type_22;}}
  mrpt::typemeta::tmp_add_type_22 tmp_add_func_22(){return 0;};
  namespace mrpt{namespace typemeta{namespace detail{typedef int tmp_add_type_23;}}}
  mrpt::typemeta::detail::tmp_add_type_23 tmp_add_func_23(){return 0;};
  namespace mrpt{namespace typemeta{namespace internal{typedef int tmp_add_type_24;}}}
  mrpt::typemeta::internal::tmp_add_type_24 tmp_add_func_24(){return 0;};
  namespace spimpl{typedef int tmp_add_type_25;}
  spimpl::tmp_add_type_25 tmp_add_func_25(){return 0;};
  namespace spimpl{namespace details{typedef int tmp_add_type_26;}}
  spimpl::details::tmp_add_type_26 tmp_add_func_26(){return 0;};
  namespace mrpt{namespace global_settings{typedef int tmp_add_type_27;}}
  mrpt::global_settings::tmp_add_type_27 tmp_add_func_27(){return 0;};
  namespace mrpt{namespace opengl{namespace graph_tools{typedef int tmp_add_type_28;}}}
  mrpt::opengl::graph_tools::tmp_add_type_28 tmp_add_func_28(){return 0;};
  namespace mrpt{namespace opengl{namespace stock_objects{typedef int tmp_add_type_29;}}}
  mrpt::opengl::stock_objects::tmp_add_type_29 tmp_add_func_29(){return 0;};

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/Y2W0VFpYdM/dump1.h"  -I/usr/include/mrpt/typemeta/include -I/usr/include/mrpt/system/include -I/usr/include/mrpt/serialization/include -I/usr/include/mrpt/rtti/include -I/usr/include/mrpt/poses/include -I/usr/include/mrpt/opengl/include -I/usr/include/mrpt/math/include -I/usr/include/mrpt/img/include -I/usr/include/mrpt/core/include -I/usr/include/mrpt/containers/include -I/usr/include/mrpt/config/include

In file included from /tmp/Y2W0VFpYdM/dump1.h:71:
/usr/include/mrpt/opengl/include/mrpt/opengl/opengl_api.h:40:10: fatal error: GL/gl.h: No such file or directory
   40 | #include <GL/gl.h>
      |          ^~~~~~~~~
compilation terminated.