Temporary header file '/tmp/FawM1jEzSt/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
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/decaf/decaf/common.h"
  #include "/usr/include/decaf/decaf/ed255.h"
  #include "/usr/include/decaf/decaf/ed448.h"
  #include "/usr/include/decaf/decaf/point_255.h"
  #include "/usr/include/decaf/decaf/point_448.h"
  #include "/usr/include/decaf/decaf/sha512.h"
  #include "/usr/include/decaf/decaf/shake.h"
  #include "/usr/include/decaf/decaf/spongerng.h"
  #include "/usr/include/decaf/decaf.h"

  // add classes
  decaf_255_point_s* tmp_add_class_0;
  decaf_255_scalar_s* tmp_add_class_1;
  decaf_448_point_s* tmp_add_class_2;
  decaf_448_scalar_s* tmp_add_class_3;
  decaf_eddsa_25519_keypair_s* tmp_add_class_4;
  decaf_eddsa_448_keypair_s* tmp_add_class_5;
  decaf_keccak_sponge_s* tmp_add_class_6;
  decaf_sha3_224_ctx_s* tmp_add_class_7;
  decaf_sha3_256_ctx_s* tmp_add_class_8;
  decaf_sha3_384_ctx_s* tmp_add_class_9;
  decaf_sha3_512_ctx_s* tmp_add_class_10;
  decaf_sha512_ctx_s* tmp_add_class_11;
  decaf_shake128_ctx_s* tmp_add_class_12;
  decaf_shake256_ctx_s* tmp_add_class_13;
  gf_25519_s* tmp_add_class_14;
  gf_448_s* tmp_add_class_15;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/FawM1jEzSt/dump1.h"  -I/usr/include/decaf