Temporary header file '/tmp/QA5W8V2g8g/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/Fcitx5/Config/fcitx-config/configuration.h"
  #include "/usr/include/Fcitx5/Config/fcitx-config/dbushelper.h"
  #include "/usr/include/Fcitx5/Config/fcitx-config/enum.h"
  #include "/usr/include/Fcitx5/Config/fcitx-config/fcitxconfig_export.h"
  #include "/usr/include/Fcitx5/Config/fcitx-config/iniparser.h"
  #include "/usr/include/Fcitx5/Config/fcitx-config/marshallfunction.h"
  #include "/usr/include/Fcitx5/Config/fcitx-config/option.h"
  #include "/usr/include/Fcitx5/Config/fcitx-config/option_details.h"
  #include "/usr/include/Fcitx5/Config/fcitx-config/optiontypename.h"
  #include "/usr/include/Fcitx5/Config/fcitx-config/rawconfig.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/QA5W8V2g8g/dump1.h"  -I/usr/include/Fcitx5/Config

In file included from /usr/include/Fcitx5/Config/fcitx-config/option.h:16,
                 from /usr/include/Fcitx5/Config/fcitx-config/configuration.h:10,
                 from /tmp/QA5W8V2g8g/dump1.h:12:
/usr/include/Fcitx5/Config/fcitx-config/marshallfunction.h:12:10: fatal error: fcitx-utils/color.h: No such file or directory
   12 | #include <fcitx-utils/color.h>
      |          ^~~~~~~~~~~~~~~~~~~~~
compilation terminated.