mirror of https://gitee.com/openkylin/wget.git
44 lines
1.5 KiB
Plaintext
44 lines
1.5 KiB
Plaintext
# netdb_h.m4 serial 11
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dnl Copyright (C) 2008-2019 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_HEADER_NETDB],
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[
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AC_REQUIRE([gl_NETDB_H_DEFAULTS])
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gl_CHECK_NEXT_HEADERS([netdb.h])
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if test $ac_cv_header_netdb_h = yes; then
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HAVE_NETDB_H=1
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else
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HAVE_NETDB_H=0
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fi
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AC_SUBST([HAVE_NETDB_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([[#include <netdb.h>]],
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[getaddrinfo freeaddrinfo gai_strerror getnameinfo])
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])
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AC_DEFUN([gl_NETDB_MODULE_INDICATOR],
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[
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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_NETDB_H_DEFAULTS])
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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dnl Define it also as a C macro, for the benefit of the unit tests.
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gl_MODULE_INDICATOR_FOR_TESTS([$1])
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])
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AC_DEFUN([gl_NETDB_H_DEFAULTS],
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[
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GNULIB_GETADDRINFO=0; AC_SUBST([GNULIB_GETADDRINFO])
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dnl Assume proper GNU behavior unless another module says otherwise.
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HAVE_STRUCT_ADDRINFO=1; AC_SUBST([HAVE_STRUCT_ADDRINFO])
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HAVE_DECL_FREEADDRINFO=1; AC_SUBST([HAVE_DECL_FREEADDRINFO])
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HAVE_DECL_GAI_STRERROR=1; AC_SUBST([HAVE_DECL_GAI_STRERROR])
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HAVE_DECL_GETADDRINFO=1; AC_SUBST([HAVE_DECL_GETADDRINFO])
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HAVE_DECL_GETNAMEINFO=1; AC_SUBST([HAVE_DECL_GETNAMEINFO])
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REPLACE_GAI_STRERROR=0; AC_SUBST([REPLACE_GAI_STRERROR])
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])
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