Temporary header file '/tmp/J7BOQjBtsw/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) 
typedef float _Float32;
typedef long double _Float64;
typedef double _Float32x;

  // add includes
  #include "/usr/include/apr-1.0/apr_dbd.h"
  #include "/usr/include/apache2/ap_compat.h"
  #include "/usr/include/apache2/ap_config.h"
  #include "/usr/include/apache2/ap_config_auto.h"
  #include "/usr/include/apache2/ap_config_layout.h"
  #include "/usr/include/apache2/ap_expr.h"
  #include "/usr/include/apache2/ap_hooks.h"
  #include "/usr/include/apache2/ap_listen.h"
  #include "/usr/include/apache2/ap_mmn.h"
  #include "/usr/include/apache2/ap_mpm.h"
  #include "/usr/include/apache2/ap_provider.h"
  #include "/usr/include/apache2/ap_regex.h"
  #include "/usr/include/apache2/ap_regkey.h"
  #include "/usr/include/apache2/ap_release.h"
  #include "/usr/include/apache2/ap_slotmem.h"
  #include "/usr/include/apache2/ap_socache.h"
  #include "/usr/include/apache2/apache_noprobes.h"
  #include "/usr/include/apache2/cache_common.h"
  #include "/usr/include/apache2/heartbeat.h"
  #include "/usr/include/apache2/http_config.h"
  #include "/usr/include/apache2/http_connection.h"
  #include "/usr/include/apache2/http_core.h"
  #include "/usr/include/apache2/http_log.h"
  #include "/usr/include/apache2/http_main.h"
  #include "/usr/include/apache2/http_protocol.h"
  #include "/usr/include/apache2/http_request.h"
  #include "/usr/include/apache2/http_ssl.h"
  #include "/usr/include/apache2/http_vhost.h"
  #include "/usr/include/apache2/httpd.h"
  #include "/usr/include/apache2/mod_auth.h"
  #include "/usr/include/apache2/mod_cache.h"
  #include "/usr/include/apache2/mod_cgi.h"
  #include "/usr/include/apache2/mod_core.h"
  #include "/usr/include/apache2/mod_dav.h"
  #include "/usr/include/apache2/mod_dbd.h"
  #include "/usr/include/apache2/mod_http2.h"
  #include "/usr/include/apache2/mod_include.h"
  #include "/usr/include/apache2/mod_log_config.h"
  #include "/usr/include/apache2/mod_proxy.h"
  #include "/usr/include/apache2/mod_request.h"
  #include "/usr/include/apache2/mod_rewrite.h"
  #include "/usr/include/apache2/mod_session.h"
  #include "/usr/include/apache2/mod_so.h"
  #include "/usr/include/apache2/mod_ssl.h"
  #include "/usr/include/apache2/mod_status.h"
  #include "/usr/include/apache2/mod_unixd.h"
  #include "/usr/include/apache2/mod_watchdog.h"
  #include "/usr/include/apache2/mpm_common.h"
  #include "/usr/include/apache2/os.h"
  #include "/usr/include/apache2/scoreboard.h"
  #include "/usr/include/apache2/unixd.h"
  #include "/usr/include/apache2/util_cfgtree.h"
  #include "/usr/include/apache2/util_charset.h"
  #include "/usr/include/apache2/util_cookies.h"
  #include "/usr/include/apache2/util_ebcdic.h"
  #include "/usr/include/apache2/util_fcgi.h"
  #include "/usr/include/apache2/util_filter.h"
  #include "/usr/include/apache2/util_ldap.h"
  #include "/usr/include/apache2/util_md5.h"
  #include "/usr/include/apache2/util_mutex.h"
  #include "/usr/include/apache2/util_script.h"
  #include "/usr/include/apache2/util_time.h"
  #include "/usr/include/apache2/util_varbuf.h"
  #include "/usr/include/apache2/util_xml.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -U__cplusplus -D_Bool="bool" -fpreprocessed -x c++ -fpermissive -w "/tmp/J7BOQjBtsw/dump1.i"  -I/usr/include/apache2 -I/usr/include/apr-1.0