1# arpa_inet_h.m4 serial 13 2dnl Copyright (C) 2006, 2008-2014 Free Software Foundation, Inc. 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 7dnl Written by Simon Josefsson and Bruno Haible 8 9AC_DEFUN([gl_HEADER_ARPA_INET], 10[ 11 dnl Use AC_REQUIRE here, so that the default behavior below is expanded 12 dnl once only, before all statements 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 dnl Check for declarations of anything we want to poison if the 28 dnl corresponding gnulib module is not in use. 29 gl_WARN_ON_USE_PREPARE([[ 30/* On some systems, this header is not self-consistent. */ 31#if !(defined __GLIBC__ || defined __UCLIBC__) 32# include <sys/socket.h> 33#endif 34#ifdef __TANDEM 35# include <netdb.h> 36#endif 37#include <arpa/inet.h> 38 ]], [inet_ntop inet_pton]) 39]) 40 41AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR], 42[ 43 dnl Use AC_REQUIRE here, so that the default settings are expanded once only. 44 AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS]) 45 gl_MODULE_INDICATOR_SET_VARIABLE([$1]) 46]) 47 48AC_DEFUN([gl_ARPA_INET_H_DEFAULTS], 49[ 50 GNULIB_INET_NTOP=0; AC_SUBST([GNULIB_INET_NTOP]) 51 GNULIB_INET_PTON=0; AC_SUBST([GNULIB_INET_PTON]) 52 dnl Assume proper GNU behavior unless another module says otherwise. 53 HAVE_DECL_INET_NTOP=1; AC_SUBST([HAVE_DECL_INET_NTOP]) 54 HAVE_DECL_INET_PTON=1; AC_SUBST([HAVE_DECL_INET_PTON]) 55 REPLACE_INET_NTOP=0; AC_SUBST([REPLACE_INET_NTOP]) 56 REPLACE_INET_PTON=0; AC_SUBST([REPLACE_INET_PTON]) 57]) 58