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[bpt/guile.git] / m4 / inet_ntop.m4
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f29ded4b 1# inet_ntop.m4 serial 11
61cd9dc9 2dnl Copyright (C) 2005, 2006, 2008, 2009, 2010 Free Software Foundation, Inc.
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3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_INET_NTOP],
8[
9 dnl Persuade Solaris <arpa/inet.h> to declare inet_ntop.
10 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
11
12 gl_REPLACE_ARPA_INET_H
13
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14 dnl Most platforms that provide inet_ntop define it in libc.
15 dnl Solaris 8..10 provide inet_ntop in libnsl instead.
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16 gl_save_LIBS=$LIBS
17 AC_SEARCH_LIBS([inet_ntop], [nsl], [],
18 [AC_REPLACE_FUNCS([inet_ntop])])
19 LIBS=$gl_save_LIBS
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20 INET_NTOP_LIB=
21 if test "$ac_cv_search_inet_ntop" != "no" &&
22 test "$ac_cv_search_inet_ntop" != "none required"; then
23 INET_NTOP_LIB="$ac_cv_search_inet_ntop"
24 fi
25 AC_SUBST([INET_NTOP_LIB])
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26
27 gl_PREREQ_INET_NTOP
28])
29
30# Prerequisites of lib/inet_ntop.c.
31AC_DEFUN([gl_PREREQ_INET_NTOP], [
32 AC_CHECK_DECLS([inet_ntop],,,[#include <arpa/inet.h>])
33 if test $ac_cv_have_decl_inet_ntop = no; then
34 HAVE_DECL_INET_NTOP=0
35 fi
36 AC_REQUIRE([gl_SOCKET_FAMILIES])
37 AC_REQUIRE([AC_C_RESTRICT])
38])