-# Check for common headers.
-# NB: You can assume C11 headers exist.
-for ac_header in unistd.h
-do :
- ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
-if test "x$ac_cv_header_unistd_h" = xyes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_UNISTD_H 1
-_ACEOF
-
-fi
-
-done
-
-for ac_header in sys/time.h sys/times.h sys/resource.h sys/mman.h
-do :
- as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
- cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
-for ac_header in fcntl.h fpu_control.h
-do :
- as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
- cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
-for ac_header in dlfcn.h sys/stat.h
-do :
- as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
- cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
-
-ac_fn_c_check_member "$LINENO" "struct stat" "st_dev" "ac_cv_member_struct_stat_st_dev" "#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-"
-if test "x$ac_cv_member_struct_stat_st_dev" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_DEV 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_member "$LINENO" "struct stat" "st_ino" "ac_cv_member_struct_stat_st_ino" "#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-"
-if test "x$ac_cv_member_struct_stat_st_ino" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_INO 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_member "$LINENO" "struct stat" "st_mode" "ac_cv_member_struct_stat_st_mode" "#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-"
-if test "x$ac_cv_member_struct_stat_st_mode" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_MODE 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_member "$LINENO" "struct stat" "st_nlink" "ac_cv_member_struct_stat_st_nlink" "#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-"
-if test "x$ac_cv_member_struct_stat_st_nlink" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_NLINK 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_member "$LINENO" "struct stat" "st_uid" "ac_cv_member_struct_stat_st_uid" "#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-"
-if test "x$ac_cv_member_struct_stat_st_uid" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_UID 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_member "$LINENO" "struct stat" "st_gid" "ac_cv_member_struct_stat_st_gid" "#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-"
-if test "x$ac_cv_member_struct_stat_st_gid" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_GID 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_member "$LINENO" "struct stat" "st_rdev" "ac_cv_member_struct_stat_st_rdev" "#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-"
-if test "x$ac_cv_member_struct_stat_st_rdev" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_RDEV 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_member "$LINENO" "struct stat" "st_size" "ac_cv_member_struct_stat_st_size" "#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-"
-if test "x$ac_cv_member_struct_stat_st_size" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_SIZE 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_member "$LINENO" "struct stat" "st_blksize" "ac_cv_member_struct_stat_st_blksize" "#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-"
-if test "x$ac_cv_member_struct_stat_st_blksize" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_BLKSIZE 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_member "$LINENO" "struct stat" "st_blocks" "ac_cv_member_struct_stat_st_blocks" "#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-"
-if test "x$ac_cv_member_struct_stat_st_blocks" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_BLOCKS 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_member "$LINENO" "struct stat" "st_atime" "ac_cv_member_struct_stat_st_atime" "#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-"
-if test "x$ac_cv_member_struct_stat_st_atime" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_ATIME 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_member "$LINENO" "struct stat" "st_mtime" "ac_cv_member_struct_stat_st_mtime" "#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-"
-if test "x$ac_cv_member_struct_stat_st_mtime" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_MTIME 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_member "$LINENO" "struct stat" "st_ctime" "ac_cv_member_struct_stat_st_ctime" "#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-"
-if test "x$ac_cv_member_struct_stat_st_ctime" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_CTIME 1
-_ACEOF
-
-
-fi
-
-ac_fn_c_check_type "$LINENO" "socklen_t" "ac_cv_type_socklen_t" "#include <sys/types.h>
-#include <sys/socket.h>
-
-"
-if test "x$ac_cv_type_socklen_t" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_SOCKLEN_T 1
-_ACEOF
-
-
-fi
-
-