Temporary header file '/tmp/ZFFaCJYqRK/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/svxlink/AsyncApplication.h"
  #include "/usr/include/svxlink/AsyncAtTimer.h"
  #include "/usr/include/svxlink/AsyncConfig.h"
  #include "/usr/include/svxlink/AsyncDnsLookup.h"
  #include "/usr/include/svxlink/AsyncExec.h"
  #include "/usr/include/svxlink/AsyncFdWatch.h"
  #include "/usr/include/svxlink/AsyncFileReader.h"
  #include "/usr/include/svxlink/AsyncFramedTcpConnection.h"
  #include "/usr/include/svxlink/AsyncIpAddress.h"
  #include "/usr/include/svxlink/AsyncMsg.h"
  #include "/usr/include/svxlink/AsyncPty.h"
  #include "/usr/include/svxlink/AsyncPtyStreamBuf.h"
  #include "/usr/include/svxlink/AsyncSerial.h"
  #include "/usr/include/svxlink/AsyncTcpClient.h"
  #include "/usr/include/svxlink/AsyncTcpClientBase.h"
  #include "/usr/include/svxlink/AsyncTcpConnection.h"
  #include "/usr/include/svxlink/AsyncTcpServer.h"
  #include "/usr/include/svxlink/AsyncTcpServerBase.h"
  #include "/usr/include/svxlink/AsyncTimer.h"
  #include "/usr/include/svxlink/AsyncUdpSocket.h"
  #include "/usr/include/svxlink/CppStdCompat.h"
  #include "/usr/include/svxlink/common.h"

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

In file included from /tmp/ZFFaCJYqRK/dump1.h:12:
/usr/include/svxlink/AsyncApplication.h:40:10: fatal error: sigc++/sigc++.h: No such file or directory
   40 | #include <sigc++/sigc++.h>
      |          ^~~~~~~~~~~~~~~~~
compilation terminated.