| # accept4.m4 | |
| # serial 3 | |
| dnl Copyright (C) 2009-2025 Free Software Foundation, Inc. | |
| dnl This file is free software; the Free Software Foundation | |
| dnl gives unlimited permission to copy and/or distribute it, | |
| dnl with or without modifications, as long as this notice is preserved. | |
| dnl This file is offered as-is, without any warranty. | |
| AC_DEFUN([gl_FUNC_ACCEPT4], | |
| [ | |
| AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS]) | |
| dnl Persuade glibc <sys/socket.h> to declare accept4(). | |
| AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) | |
| AC_CHECK_DECLS([accept4], , , [[ | |
| #include <sys/types.h> | |
| #include <sys/socket.h> | |
| ]]) | |
| if test $ac_cv_have_decl_accept4 != yes; then | |
| HAVE_ACCEPT4=0 | |
| fi | |
| ]) | |