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- # netdb_h.m4 serial 12
- dnl Copyright (C) 2008-2021 Free Software Foundation, Inc.
- dnl This file is free software; the Free Software Foundation
- dnl gives unlimited permission to copy and/or distribute it,
- dnl with or without modifications, as long as this notice is preserved.
- AC_DEFUN([gl_HEADER_NETDB],
- [
- AC_REQUIRE([gl_NETDB_H_DEFAULTS])
- gl_CHECK_NEXT_HEADERS([netdb.h])
- if test $ac_cv_header_netdb_h = yes; then
- HAVE_NETDB_H=1
- else
- HAVE_NETDB_H=0
- fi
- AC_SUBST([HAVE_NETDB_H])
- dnl Check for declarations of anything we want to poison if the
- dnl corresponding gnulib module is not in use.
- gl_WARN_ON_USE_PREPARE([[#include <netdb.h>]],
- [getaddrinfo freeaddrinfo gai_strerror getnameinfo])
- ])
- AC_DEFUN([gl_NETDB_MODULE_INDICATOR],
- [
- dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
- AC_REQUIRE([gl_NETDB_H_DEFAULTS])
- gl_MODULE_INDICATOR_SET_VARIABLE([$1])
- dnl Define it also as a C macro, for the benefit of the unit tests.
- gl_MODULE_INDICATOR_FOR_TESTS([$1])
- ])
- AC_DEFUN([gl_NETDB_H_DEFAULTS],
- [
- GNULIB_GETADDRINFO=0; AC_SUBST([GNULIB_GETADDRINFO])
- dnl Assume proper GNU behavior unless another module says otherwise.
- HAVE_STRUCT_ADDRINFO=1; AC_SUBST([HAVE_STRUCT_ADDRINFO])
- HAVE_DECL_FREEADDRINFO=1; AC_SUBST([HAVE_DECL_FREEADDRINFO])
- HAVE_DECL_GAI_STRERROR=1; AC_SUBST([HAVE_DECL_GAI_STRERROR])
- HAVE_DECL_GETADDRINFO=1; AC_SUBST([HAVE_DECL_GETADDRINFO])
- HAVE_DECL_GETNAMEINFO=1; AC_SUBST([HAVE_DECL_GETNAMEINFO])
- REPLACE_GAI_STRERROR=0; AC_SUBST([REPLACE_GAI_STRERROR])
- REPLACE_GETADDRINFO=0; AC_SUBST([REPLACE_GETADDRINFO])
- ])
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