Temporary header file '/tmp/znK5LkUBrA/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/c_icap/access.h"
  #include "/usr/include/c_icap/acl.h"
  #include "/usr/include/c_icap/array.h"
  #include "/usr/include/c_icap/body.h"
  #include "/usr/include/c_icap/c-icap-conf.h"
  #include "/usr/include/c_icap/c-icap.h"
  #include "/usr/include/c_icap/cache.h"
  #include "/usr/include/c_icap/cfg_param.h"
  #include "/usr/include/c_icap/ci_regex.h"
  #include "/usr/include/c_icap/ci_threads.h"
  #include "/usr/include/c_icap/commands.h"
  #include "/usr/include/c_icap/debug.h"
  #include "/usr/include/c_icap/dlib.h"
  #include "/usr/include/c_icap/filetype.h"
  #include "/usr/include/c_icap/hash.h"
  #include "/usr/include/c_icap/header.h"
  #include "/usr/include/c_icap/log.h"
  #include "/usr/include/c_icap/lookup_table.h"
  #include "/usr/include/c_icap/md5.h"
  #include "/usr/include/c_icap/mem.h"
  #include "/usr/include/c_icap/module.h"
  #include "/usr/include/c_icap/net_io.h"
  #include "/usr/include/c_icap/net_io_ssl.h"
  #include "/usr/include/c_icap/port.h"
  #include "/usr/include/c_icap/proc_mutex.h"
  #include "/usr/include/c_icap/proc_threads_queues.h"
  #include "/usr/include/c_icap/registry.h"
  #include "/usr/include/c_icap/request.h"
  #include "/usr/include/c_icap/service.h"
  #include "/usr/include/c_icap/shared_mem.h"
  #include "/usr/include/c_icap/simple_api.h"
  #include "/usr/include/c_icap/stats.h"
  #include "/usr/include/c_icap/txtTemplate.h"
  #include "/usr/include/c_icap/txt_format.h"
  #include "/usr/include/c_icap/types_ops.h"
  #include "/usr/include/c_icap/util.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/znK5LkUBrA/dump1.h"

In file included from /usr/include/c_icap/request.h:31,
                 from /usr/include/c_icap/access.h:25,
                 from /tmp/znK5LkUBrA/dump1.h:12:
/usr/include/c_icap/net_io.h:37:10: fatal error: openssl/bio.h: No such file or directory
   37 | #include <openssl/bio.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.