_ACEOF
-# See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
-# Older amd64 Linux's don't have the fs_base and gs_base members of
-# `struct user_regs_struct'.
-ac_fn_c_check_member "$LINENO" "struct user_regs_struct" "fs_base" "ac_cv_member_struct_user_regs_struct_fs_base" "#include <sys/types.h>
-#include <sys/user.h>
-"
-if test "x$ac_cv_member_struct_user_regs_struct_fs_base" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_USER_REGS_STRUCT_FS_BASE 1
-_ACEOF
-
-
-fi
-ac_fn_c_check_member "$LINENO" "struct user_regs_struct" "gs_base" "ac_cv_member_struct_user_regs_struct_gs_base" "#include <sys/types.h>
-#include <sys/user.h>
-"
-if test "x$ac_cv_member_struct_user_regs_struct_gs_base" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_USER_REGS_STRUCT_GS_BASE 1
-_ACEOF
-
-
-fi
-
-
-
ac_fn_c_check_type "$LINENO" "socklen_t" "ac_cv_type_socklen_t" "#include <sys/types.h>
#include <sys/socket.h>