| 1 | # arpa_inet_h.m4 serial 17
|
|---|
| 2 | dnl Copyright (C) 2006, 2008-2022 Free Software Foundation, Inc.
|
|---|
| 3 | dnl This file is free software; the Free Software Foundation
|
|---|
| 4 | dnl gives unlimited permission to copy and/or distribute it,
|
|---|
| 5 | dnl with or without modifications, as long as this notice is preserved.
|
|---|
| 6 |
|
|---|
| 7 | dnl Written by Simon Josefsson and Bruno Haible
|
|---|
| 8 |
|
|---|
| 9 | AC_DEFUN_ONCE([gl_ARPA_INET_H],
|
|---|
| 10 | [
|
|---|
| 11 | dnl Ensure to expand the default settings once only, before all statements
|
|---|
| 12 | dnl that occur in other macros.
|
|---|
| 13 | AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
|
|---|
| 14 |
|
|---|
| 15 | AC_CHECK_HEADERS_ONCE([arpa/inet.h])
|
|---|
| 16 | if test $ac_cv_header_arpa_inet_h = yes; then
|
|---|
| 17 | HAVE_ARPA_INET_H=1
|
|---|
| 18 | else
|
|---|
| 19 | HAVE_ARPA_INET_H=0
|
|---|
| 20 | fi
|
|---|
| 21 | AC_SUBST([HAVE_ARPA_INET_H])
|
|---|
| 22 | dnl <arpa/inet.h> is always overridden, because of GNULIB_POSIXCHECK.
|
|---|
| 23 | gl_CHECK_NEXT_HEADERS([arpa/inet.h])
|
|---|
| 24 |
|
|---|
| 25 | AC_REQUIRE([gl_FEATURES_H])
|
|---|
| 26 |
|
|---|
| 27 | gl_PREREQ_SYS_H_WS2TCPIP
|
|---|
| 28 |
|
|---|
| 29 | dnl Check for declarations of anything we want to poison if the
|
|---|
| 30 | dnl corresponding gnulib module is not in use.
|
|---|
| 31 | gl_WARN_ON_USE_PREPARE([[
|
|---|
| 32 | /* On some systems, this header is not self-consistent. */
|
|---|
| 33 | #if !(defined __GLIBC__ || defined __UCLIBC__)
|
|---|
| 34 | # include <sys/socket.h>
|
|---|
| 35 | #endif
|
|---|
| 36 | #ifdef __TANDEM
|
|---|
| 37 | # include <netdb.h>
|
|---|
| 38 | #endif
|
|---|
| 39 | #include <arpa/inet.h>
|
|---|
| 40 | ]], [inet_ntop inet_pton])
|
|---|
| 41 | ])
|
|---|
| 42 |
|
|---|
| 43 | # gl_ARPA_INET_MODULE_INDICATOR([modulename])
|
|---|
| 44 | # sets the shell variable that indicates the presence of the given module
|
|---|
| 45 | # to a C preprocessor expression that will evaluate to 1.
|
|---|
| 46 | # This macro invocation must not occur in macros that are AC_REQUIREd.
|
|---|
| 47 | AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR],
|
|---|
| 48 | [
|
|---|
| 49 | dnl Ensure to expand the default settings once only.
|
|---|
| 50 | gl_ARPA_INET_H_REQUIRE_DEFAULTS
|
|---|
| 51 | gl_MODULE_INDICATOR_SET_VARIABLE([$1])
|
|---|
| 52 | ])
|
|---|
| 53 |
|
|---|
| 54 | # Initializes the default values for AC_SUBSTed shell variables.
|
|---|
| 55 | # This macro must not be AC_REQUIREd. It must only be invoked, and only
|
|---|
| 56 | # outside of macros or in macros that are not AC_REQUIREd.
|
|---|
| 57 | AC_DEFUN([gl_ARPA_INET_H_REQUIRE_DEFAULTS],
|
|---|
| 58 | [
|
|---|
| 59 | m4_defun(GL_MODULE_INDICATOR_PREFIX[_ARPA_INET_H_MODULE_INDICATOR_DEFAULTS], [
|
|---|
| 60 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_INET_NTOP])
|
|---|
| 61 | gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_INET_PTON])
|
|---|
| 62 | ])
|
|---|
| 63 | m4_require(GL_MODULE_INDICATOR_PREFIX[_ARPA_INET_H_MODULE_INDICATOR_DEFAULTS])
|
|---|
| 64 | AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
|
|---|
| 65 | ])
|
|---|
| 66 |
|
|---|
| 67 | AC_DEFUN([gl_ARPA_INET_H_DEFAULTS],
|
|---|
| 68 | [
|
|---|
| 69 | dnl Assume proper GNU behavior unless another module says otherwise.
|
|---|
| 70 | HAVE_DECL_INET_NTOP=1; AC_SUBST([HAVE_DECL_INET_NTOP])
|
|---|
| 71 | HAVE_DECL_INET_PTON=1; AC_SUBST([HAVE_DECL_INET_PTON])
|
|---|
| 72 | REPLACE_INET_NTOP=0; AC_SUBST([REPLACE_INET_NTOP])
|
|---|
| 73 | REPLACE_INET_PTON=0; AC_SUBST([REPLACE_INET_PTON])
|
|---|
| 74 | ])
|
|---|
