Temporary header file '/tmp/Jgg2NPfZD6/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/psurface/AmiraMeshIO.h"
  #include "/usr/include/psurface/Box.h"
  #include "/usr/include/psurface/CircularPatch.h"
  #include "/usr/include/psurface/ContactMapping.h"
  #include "/usr/include/psurface/DirectionFunction.h"
  #include "/usr/include/psurface/DomainPolygon.h"
  #include "/usr/include/psurface/Domains.h"
  #include "/usr/include/psurface/EdgeIntersectionFunctor.h"
  #include "/usr/include/psurface/GlobalNodeIdx.h"
  #include "/usr/include/psurface/GmshIO.h"
  #include "/usr/include/psurface/Hdf5IO.h"
  #include "/usr/include/psurface/HxParamToolBox.h"
  #include "/usr/include/psurface/IntersectionPrimitive.h"
  #include "/usr/include/psurface/IntersectionPrimitiveCollector.h"
  #include "/usr/include/psurface/MultiDimOctree.h"
  #include "/usr/include/psurface/Node.h"
  #include "/usr/include/psurface/NodeBundle.h"
  #include "/usr/include/psurface/NormalProjector.h"
  #include "/usr/include/psurface/PSurface.h"
  #include "/usr/include/psurface/PSurfaceFactory.h"
  #include "/usr/include/psurface/PSurfaceSmoother.h"
  #include "/usr/include/psurface/PathVertex.h"
  #include "/usr/include/psurface/PlaneParam.h"
  #include "/usr/include/psurface/PointIntersectionFunctor.h"
  #include "/usr/include/psurface/QualityRequest.h"
  #include "/usr/include/psurface/SparseMatrix.h"
  #include "/usr/include/psurface/StaticMatrix.h"
  #include "/usr/include/psurface/StaticVector.h"
  #include "/usr/include/psurface/SurfaceBase.h"
  #include "/usr/include/psurface/SurfaceParts.h"
  #include "/usr/include/psurface/TargetSurface.h"
  #include "/usr/include/psurface/Triangulator.h"
  #include "/usr/include/psurface/VertexHeap.h"
  #include "/usr/include/psurface/VtkIO.h"
  #include "/usr/include/psurface/psurfaceAPI.h"

  // add namespaces
  namespace psurface{typedef int tmp_add_type_1;}
  psurface::tmp_add_type_1 tmp_add_func_1(){return 0;};

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/Jgg2NPfZD6/dump1.h"

In file included from /tmp/Jgg2NPfZD6/dump1.h:13:
/usr/include/psurface/Box.h:23:10: fatal error: mclib/McVec3f.h: No such file or directory
   23 | #include <mclib/McVec3f.h>
      |          ^~~~~~~~~~~~~~~~~
compilation terminated.