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# inet_ntop.m4 serial 15
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dnl Copyright (C) 2005-2006, 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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AC_DEFUN([gl_FUNC_INET_NTOP],
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dnl Persuade Solaris <arpa/inet.h> to declare inet_ntop.
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AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
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dnl Most platforms that provide inet_ntop define it in libc.
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dnl Solaris 8..10 provide inet_ntop in libnsl instead.
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AC_SEARCH_LIBS([inet_ntop], [nsl], [],
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[AC_CHECK_FUNCS([inet_ntop])
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if test $ac_cv_func_inet_ntop = no; then
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if test "$ac_cv_search_inet_ntop" != "no" &&
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test "$ac_cv_search_inet_ntop" != "none required"; then
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INET_NTOP_LIB="$ac_cv_search_inet_ntop"
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AC_SUBST([INET_NTOP_LIB])
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AC_CHECK_HEADERS_ONCE([netdb.h])
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AC_CHECK_DECLS([inet_ntop],,,
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[#include <arpa/inet.h>
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if test $ac_cv_have_decl_inet_ntop = no; then
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AC_REQUIRE([AC_C_RESTRICT])
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# Prerequisites of lib/inet_ntop.c.
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AC_DEFUN([gl_PREREQ_INET_NTOP], [
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AC_REQUIRE([gl_SOCKET_FAMILIES])