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# arpa_inet_h.m4 serial 12
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dnl Copyright (C) 2006, 2008-2011 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl Written by Simon Josefsson and Bruno Haible
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AC_DEFUN([gl_HEADER_ARPA_INET],
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dnl Use AC_REQUIRE here, so that the default behavior below is expanded
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dnl once only, before all statements that occur in other macros.
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AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
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AC_CHECK_HEADERS_ONCE([arpa/inet.h])
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if test $ac_cv_header_arpa_inet_h = yes; then
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AC_SUBST([HAVE_ARPA_INET_H])
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dnl <arpa/inet.h> is always overridden, because of GNULIB_POSIXCHECK.
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gl_CHECK_NEXT_HEADERS([arpa/inet.h])
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AC_REQUIRE([gl_FEATURES_H])
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dnl Check for declarations of anything we want to poison if the
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dnl corresponding gnulib module is not in use.
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gl_WARN_ON_USE_PREPARE([[
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/* On some systems, this header is not self-consistent. */
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#if !(defined __GLIBC__ || defined __UCLIBC__)
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# include <sys/socket.h>
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#include <arpa/inet.h>
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]], [inet_ntop inet_pton])
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AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR],
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dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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AC_DEFUN([gl_ARPA_INET_H_DEFAULTS],
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GNULIB_INET_NTOP=0; AC_SUBST([GNULIB_INET_NTOP])
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GNULIB_INET_PTON=0; AC_SUBST([GNULIB_INET_PTON])
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dnl Assume proper GNU behavior unless another module says otherwise.
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HAVE_DECL_INET_NTOP=1; AC_SUBST([HAVE_DECL_INET_NTOP])
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HAVE_DECL_INET_PTON=1; AC_SUBST([HAVE_DECL_INET_PTON])