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dnl Copyright (C) 2008-2023 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_ONCE([gl_NETDB_H], |
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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([[ |
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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 Ensure to expand the default settings once only. |
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gl_NETDB_H_REQUIRE_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_REQUIRE_DEFAULTS], |
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[ |
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m4_defun(GL_MODULE_INDICATOR_PREFIX[_NETDB_H_MODULE_INDICATOR_DEFAULTS], [ |
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gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETADDRINFO]) |
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]) |
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m4_require(GL_MODULE_INDICATOR_PREFIX[_NETDB_H_MODULE_INDICATOR_DEFAULTS]) |
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AC_REQUIRE([gl_NETDB_H_DEFAULTS]) |
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]) |
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AC_DEFUN([gl_NETDB_H_DEFAULTS], |
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[ |
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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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REPLACE_GETADDRINFO=0; AC_SUBST([REPLACE_GETADDRINFO]) |
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]) |
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