Temporary header file '/tmp/xqgC9LLjUk/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _TIME_BITS 64
#define _FILE_OFFSET_BITS 64
#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/libcmis-0.5/libcmis/libcmis-api.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/allowable-actions.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/document.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/error.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/folder.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/libcmis-c-api.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/libcmis-c.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/oauth2-data.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/object-type.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/object.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/property-type.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/property.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/rendition.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/repository.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/session-factory.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/session.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/types.h"
  #include "/usr/include/libcmis-c-0.5/libcmis-c/vectors.h"

  // add namespaces
  namespace icu_72{typedef int tmp_add_type_1;}
  icu_72::tmp_add_type_1 tmp_add_func_1(){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;
  _uconv_t* tmp_add_class_3;
  _xlinkHandler* tmp_add_class_4;
  _xmlAttr* tmp_add_class_5;
  _xmlAttribute* tmp_add_class_6;
  _xmlBuffer* tmp_add_class_7;
  _xmlCharEncodingHandler* tmp_add_class_8;
  _xmlDOMWrapCtxt* tmp_add_class_9;
  _xmlDoc* tmp_add_class_10;
  _xmlDtd* tmp_add_class_11;
  _xmlElement* tmp_add_class_12;
  _xmlElementContent* tmp_add_class_13;
  _xmlEntity* tmp_add_class_14;
  _xmlEnumeration* tmp_add_class_15;
  _xmlError* tmp_add_class_16;
  _xmlGlobalState* tmp_add_class_17;
  _xmlID* tmp_add_class_18;
  _xmlNode* tmp_add_class_19;
  _xmlNotation* tmp_add_class_20;
  _xmlNs* tmp_add_class_21;
  _xmlOutputBuffer* tmp_add_class_22;
  _xmlParserCtxt* tmp_add_class_23;
  _xmlParserInput* tmp_add_class_24;
  _xmlParserInputBuffer* tmp_add_class_25;
  _xmlParserNodeInfo* tmp_add_class_26;
  _xmlParserNodeInfoSeq* tmp_add_class_27;
  _xmlRef* tmp_add_class_28;
  _xmlSAXHandler* tmp_add_class_29;
  _xmlSAXHandlerV1* tmp_add_class_30;
  _xmlSAXLocator* tmp_add_class_31;
  _xmlValidCtxt* tmp_add_class_32;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/xqgC9LLjUk/dump1.h"  -I/usr/include/libxml2 -I/usr/include/libcmis-c-0.5