Temporary header file '/tmp/RwvkBW5rGX/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/OpenImageIO/Imath.h"
  #include "/usr/include/OpenImageIO/argparse.h"
  #include "/usr/include/OpenImageIO/array_view.h"
  #include "/usr/include/OpenImageIO/atomic.h"
  #include "/usr/include/OpenImageIO/attrdelegate.h"
  #include "/usr/include/OpenImageIO/benchmark.h"
  #include "/usr/include/OpenImageIO/color.h"
  #include "/usr/include/OpenImageIO/dassert.h"
  #include "/usr/include/OpenImageIO/deepdata.h"
  #include "/usr/include/OpenImageIO/detail/farmhash.h"
  #include "/usr/include/OpenImageIO/detail/fmt/core.h"
  #include "/usr/include/OpenImageIO/detail/fmt/format-inl.h"
  #include "/usr/include/OpenImageIO/detail/fmt/format.h"
  #include "/usr/include/OpenImageIO/detail/fmt/ostream.h"
  #include "/usr/include/OpenImageIO/detail/fmt/printf.h"
  #include "/usr/include/OpenImageIO/detail/fmt.h"
  #include "/usr/include/OpenImageIO/detail/pugixml/pugiconfig.hpp"
  #include "/usr/include/OpenImageIO/detail/pugixml/pugixml.hpp"
  #include "/usr/include/OpenImageIO/errorhandler.h"
  #include "/usr/include/OpenImageIO/export.h"
  #include "/usr/include/OpenImageIO/filesystem.h"
  #include "/usr/include/OpenImageIO/filter.h"
  #include "/usr/include/OpenImageIO/fmath.h"
  #include "/usr/include/OpenImageIO/fstream_mingw.h"
  #include "/usr/include/OpenImageIO/function_view.h"
  #include "/usr/include/OpenImageIO/half.h"
  #include "/usr/include/OpenImageIO/hash.h"
  #include "/usr/include/OpenImageIO/image_view.h"
  #include "/usr/include/OpenImageIO/imagebuf.h"
  #include "/usr/include/OpenImageIO/imagebufalgo.h"
  #include "/usr/include/OpenImageIO/imagebufalgo_util.h"
  #include "/usr/include/OpenImageIO/imagecache.h"
  #include "/usr/include/OpenImageIO/imageio.h"
  #include "/usr/include/OpenImageIO/missing_math.h"
  #include "/usr/include/OpenImageIO/oiioversion.h"
  #include "/usr/include/OpenImageIO/optparser.h"
  #include "/usr/include/OpenImageIO/parallel.h"
  #include "/usr/include/OpenImageIO/paramlist.h"
  #include "/usr/include/OpenImageIO/platform.h"
  #include "/usr/include/OpenImageIO/plugin.h"
  #include "/usr/include/OpenImageIO/refcnt.h"
  #include "/usr/include/OpenImageIO/simd.h"
  #include "/usr/include/OpenImageIO/span.h"
  #include "/usr/include/OpenImageIO/strided_ptr.h"
  #include "/usr/include/OpenImageIO/string_view.h"
  #include "/usr/include/OpenImageIO/strongparam.h"
  #include "/usr/include/OpenImageIO/strutil.h"
  #include "/usr/include/OpenImageIO/sysutil.h"
  #include "/usr/include/OpenImageIO/texture.h"
  #include "/usr/include/OpenImageIO/thread.h"
  #include "/usr/include/OpenImageIO/tiffutils.h"
  #include "/usr/include/OpenImageIO/timer.h"
  #include "/usr/include/OpenImageIO/type_traits.h"
  #include "/usr/include/OpenImageIO/typedesc.h"
  #include "/usr/include/OpenImageIO/unittest.h"
  #include "/usr/include/OpenImageIO/unordered_map_concurrent.h"
  #include "/usr/include/OpenImageIO/ustring.h"
  #include "/usr/include/OpenImageIO/varyingref.h"
  #include "/usr/include/OpenImageIO/vecparam.h"
  #include "/usr/include/OpenImageIO/version.h"

  // add namespaces
  namespace cv{typedef int tmp_add_type_1;}
  cv::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace fmt{typedef int tmp_add_type_2;}
  fmt::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace fmt{namespace v9{typedef int tmp_add_type_3;}}
  fmt::v9::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace fmt{namespace v9{namespace align{typedef int tmp_add_type_4;}}}
  fmt::v9::align::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace fmt{namespace v9{namespace detail{typedef int tmp_add_type_5;}}}
  fmt::v9::detail::tmp_add_type_5 tmp_add_func_5(){return 0;};
  namespace fmt{namespace v9{namespace detail{namespace digits{typedef int tmp_add_type_6;}}}}
  fmt::v9::detail::digits::tmp_add_type_6 tmp_add_func_6(){return 0;};
  namespace fmt{namespace v9{namespace detail{namespace dragonbox{typedef int tmp_add_type_7;}}}}
  fmt::v9::detail::dragonbox::tmp_add_type_7 tmp_add_func_7(){return 0;};
  namespace fmt{namespace v9{namespace enums{typedef int tmp_add_type_8;}}}
  fmt::v9::enums::tmp_add_type_8 tmp_add_func_8(){return 0;};
  namespace fmt{namespace v9{namespace literals{typedef int tmp_add_type_9;}}}
  fmt::v9::literals::tmp_add_type_9 tmp_add_func_9(){return 0;};
  namespace fmt{namespace v9{namespace sign{typedef int tmp_add_type_10;}}}
  fmt::v9::sign::tmp_add_type_10 tmp_add_func_10(){return 0;};
  namespace Imath{typedef int tmp_add_type_11;}
  Imath::tmp_add_type_11 tmp_add_func_11(){return 0;};
  namespace fmt{namespace v9{namespace detail{namespace __anon877fd5518e11{typedef int tmp_add_type_12;}}}}
  fmt::v9::detail::__anon877fd5518e11::tmp_add_type_12 tmp_add_func_12(){return 0;};
  namespace fmt{namespace v9{namespace detail_exported{typedef int tmp_add_type_13;}}}
  fmt::v9::detail_exported::tmp_add_type_13 tmp_add_func_13(){return 0;};
  namespace Imath_3_1{typedef int tmp_add_type_14;}
  Imath_3_1::tmp_add_type_14 tmp_add_func_14(){return 0;};
  namespace OpenImageIO_v2_4{typedef int tmp_add_type_15;}
  OpenImageIO_v2_4::tmp_add_type_15 tmp_add_func_15(){return 0;};
  namespace OpenImageIO_v2_4{namespace bjhash{typedef int tmp_add_type_16;}}
  OpenImageIO_v2_4::bjhash::tmp_add_type_16 tmp_add_func_16(){return 0;};
  namespace OpenImageIO_v2_4{namespace farmhash{typedef int tmp_add_type_17;}}
  OpenImageIO_v2_4::farmhash::tmp_add_type_17 tmp_add_func_17(){return 0;};
  namespace OpenImageIO_v2_4{namespace farmhash{namespace farmhashcc{typedef int tmp_add_type_18;}}}
  OpenImageIO_v2_4::farmhash::farmhashcc::tmp_add_type_18 tmp_add_func_18(){return 0;};
  namespace OpenImageIO_v2_4{namespace farmhash{namespace farmhashmk{typedef int tmp_add_type_19;}}}
  OpenImageIO_v2_4::farmhash::farmhashmk::tmp_add_type_19 tmp_add_func_19(){return 0;};
  namespace OpenImageIO_v2_4{namespace farmhash{namespace farmhashna{typedef int tmp_add_type_20;}}}
  OpenImageIO_v2_4::farmhash::farmhashna::tmp_add_type_20 tmp_add_func_20(){return 0;};
  namespace OpenImageIO_v2_4{namespace farmhash{namespace farmhashnt{typedef int tmp_add_type_21;}}}
  OpenImageIO_v2_4::farmhash::farmhashnt::tmp_add_type_21 tmp_add_func_21(){return 0;};
  namespace OpenImageIO_v2_4{namespace farmhash{namespace farmhashsa{typedef int tmp_add_type_22;}}}
  OpenImageIO_v2_4::farmhash::farmhashsa::tmp_add_type_22 tmp_add_func_22(){return 0;};
  namespace OpenImageIO_v2_4{namespace farmhash{namespace farmhashsu{typedef int tmp_add_type_23;}}}
  OpenImageIO_v2_4::farmhash::farmhashsu::tmp_add_type_23 tmp_add_func_23(){return 0;};
  namespace OpenImageIO_v2_4{namespace farmhash{namespace farmhashte{typedef int tmp_add_type_24;}}}
  OpenImageIO_v2_4::farmhash::farmhashte::tmp_add_type_24 tmp_add_func_24(){return 0;};
  namespace OpenImageIO_v2_4{namespace farmhash{namespace farmhashuo{typedef int tmp_add_type_25;}}}
  OpenImageIO_v2_4::farmhash::farmhashuo::tmp_add_type_25 tmp_add_func_25(){return 0;};
  namespace OpenImageIO_v2_4{namespace farmhash{namespace farmhashxo{typedef int tmp_add_type_26;}}}
  OpenImageIO_v2_4::farmhash::farmhashxo::tmp_add_type_26 tmp_add_func_26(){return 0;};
  namespace OpenImageIO_v2_4{namespace farmhash{namespace inlined{typedef int tmp_add_type_27;}}}
  OpenImageIO_v2_4::farmhash::inlined::tmp_add_type_27 tmp_add_func_27(){return 0;};
  namespace OpenImageIO_v2_4{namespace fasthash{typedef int tmp_add_type_28;}}
  OpenImageIO_v2_4::fasthash::tmp_add_type_28 tmp_add_func_28(){return 0;};
  namespace OpenImageIO_v2_4{namespace Filesystem{typedef int tmp_add_type_29;}}
  OpenImageIO_v2_4::Filesystem::tmp_add_type_29 tmp_add_func_29(){return 0;};
  namespace OpenImageIO_v2_4{namespace ImageBufAlgo{typedef int tmp_add_type_30;}}
  OpenImageIO_v2_4::ImageBufAlgo::tmp_add_type_30 tmp_add_func_30(){return 0;};
  namespace OpenImageIO_v2_4{namespace murmur{typedef int tmp_add_type_31;}}
  OpenImageIO_v2_4::murmur::tmp_add_type_31 tmp_add_func_31(){return 0;};
  namespace OpenImageIO_v2_4{namespace Plugin{typedef int tmp_add_type_32;}}
  OpenImageIO_v2_4::Plugin::tmp_add_type_32 tmp_add_func_32(){return 0;};
  namespace OpenImageIO_v2_4{namespace pugi{typedef int tmp_add_type_33;}}
  OpenImageIO_v2_4::pugi::tmp_add_type_33 tmp_add_func_33(){return 0;};
  namespace OpenImageIO_v2_4{namespace pugi{namespace impl{typedef int tmp_add_type_34;}}}
  OpenImageIO_v2_4::pugi::impl::tmp_add_type_34 tmp_add_func_34(){return 0;};
  namespace OpenImageIO_v2_4{namespace pvt{typedef int tmp_add_type_35;}}
  OpenImageIO_v2_4::pvt::tmp_add_type_35 tmp_add_func_35(){return 0;};
  namespace OpenImageIO_v2_4{namespace simd{typedef int tmp_add_type_36;}}
  OpenImageIO_v2_4::simd::tmp_add_type_36 tmp_add_func_36(){return 0;};
  namespace OpenImageIO_v2_4{namespace Strutil{typedef int tmp_add_type_37;}}
  OpenImageIO_v2_4::Strutil::tmp_add_type_37 tmp_add_func_37(){return 0;};
  namespace OpenImageIO_v2_4{namespace Strutil{namespace fmt{typedef int tmp_add_type_38;}}}
  OpenImageIO_v2_4::Strutil::fmt::tmp_add_type_38 tmp_add_func_38(){return 0;};
  namespace OpenImageIO_v2_4{namespace Strutil{namespace old{typedef int tmp_add_type_39;}}}
  OpenImageIO_v2_4::Strutil::old::tmp_add_type_39 tmp_add_func_39(){return 0;};
  namespace OpenImageIO_v2_4{namespace Strutil{namespace pvt{typedef int tmp_add_type_40;}}}
  OpenImageIO_v2_4::Strutil::pvt::tmp_add_type_40 tmp_add_func_40(){return 0;};
  namespace OpenImageIO_v2_4{namespace Strutil{namespace sync{typedef int tmp_add_type_41;}}}
  OpenImageIO_v2_4::Strutil::sync::tmp_add_type_41 tmp_add_func_41(){return 0;};
  namespace OpenImageIO_v2_4{namespace Sysutil{typedef int tmp_add_type_42;}}
  OpenImageIO_v2_4::Sysutil::tmp_add_type_42 tmp_add_func_42(){return 0;};
  namespace OpenImageIO_v2_4{namespace Tex{typedef int tmp_add_type_43;}}
  OpenImageIO_v2_4::Tex::tmp_add_type_43 tmp_add_func_43(){return 0;};
  namespace OpenImageIO_v2_4{namespace xxhash{typedef int tmp_add_type_44;}}
  OpenImageIO_v2_4::xxhash::tmp_add_type_44 tmp_add_func_44(){return 0;};

  // add classes
  TIFFDirEntry* tmp_add_class_0;
  TIFFHeader* tmp_add_class_1;
  _G_fpos64_t* tmp_add_class_2;
  _G_fpos_t* tmp_add_class_3;
  _IO_cookie_io_functions_t* tmp_add_class_4;
  imath_half_uif* tmp_add_class_5;
  itimerval* tmp_add_class_6;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/RwvkBW5rGX/dump1.h"

