diff options
Diffstat (limited to 'm4/accept4.m4')
-rw-r--r-- | m4/accept4.m4 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/m4/accept4.m4 b/m4/accept4.m4 new file mode 100644 index 000000000..8da104733 --- /dev/null +++ b/m4/accept4.m4 @@ -0,0 +1,21 @@ +# accept4.m4 serial 3 +dnl Copyright (C) 2009-2023 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. + +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 +]) |