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-rw-r--r--gl/m4/netdb_h.m428
1 files changed, 22 insertions, 6 deletions
diff --git a/gl/m4/netdb_h.m4 b/gl/m4/netdb_h.m4
index 2c69f99..e6aa892 100644
--- a/gl/m4/netdb_h.m4
+++ b/gl/m4/netdb_h.m4
@@ -1,10 +1,10 @@
1# netdb_h.m4 serial 11 1# netdb_h.m4 serial 15
2dnl Copyright (C) 2008-2013 Free Software Foundation, Inc. 2dnl Copyright (C) 2008-2023 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation 3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it, 4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved. 5dnl with or without modifications, as long as this notice is preserved.
6 6
7AC_DEFUN([gl_HEADER_NETDB], 7AC_DEFUN_ONCE([gl_NETDB_H],
8[ 8[
9 AC_REQUIRE([gl_NETDB_H_DEFAULTS]) 9 AC_REQUIRE([gl_NETDB_H_DEFAULTS])
10 gl_CHECK_NEXT_HEADERS([netdb.h]) 10 gl_CHECK_NEXT_HEADERS([netdb.h])
@@ -21,18 +21,33 @@ AC_DEFUN([gl_HEADER_NETDB],
21 [getaddrinfo freeaddrinfo gai_strerror getnameinfo]) 21 [getaddrinfo freeaddrinfo gai_strerror getnameinfo])
22]) 22])
23 23
24# gl_NETDB_MODULE_INDICATOR([modulename])
25# sets the shell variable that indicates the presence of the given module
26# to a C preprocessor expression that will evaluate to 1.
27# This macro invocation must not occur in macros that are AC_REQUIREd.
24AC_DEFUN([gl_NETDB_MODULE_INDICATOR], 28AC_DEFUN([gl_NETDB_MODULE_INDICATOR],
25[ 29[
26 dnl Use AC_REQUIRE here, so that the default settings are expanded once only. 30 dnl Ensure to expand the default settings once only.
27 AC_REQUIRE([gl_NETDB_H_DEFAULTS]) 31 gl_NETDB_H_REQUIRE_DEFAULTS
28 gl_MODULE_INDICATOR_SET_VARIABLE([$1]) 32 gl_MODULE_INDICATOR_SET_VARIABLE([$1])
29 dnl Define it also as a C macro, for the benefit of the unit tests. 33 dnl Define it also as a C macro, for the benefit of the unit tests.
30 gl_MODULE_INDICATOR_FOR_TESTS([$1]) 34 gl_MODULE_INDICATOR_FOR_TESTS([$1])
31]) 35])
32 36
37# Initializes the default values for AC_SUBSTed shell variables.
38# This macro must not be AC_REQUIREd. It must only be invoked, and only
39# outside of macros or in macros that are not AC_REQUIREd.
40AC_DEFUN([gl_NETDB_H_REQUIRE_DEFAULTS],
41[
42 m4_defun(GL_MODULE_INDICATOR_PREFIX[_NETDB_H_MODULE_INDICATOR_DEFAULTS], [
43 gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETADDRINFO])
44 ])
45 m4_require(GL_MODULE_INDICATOR_PREFIX[_NETDB_H_MODULE_INDICATOR_DEFAULTS])
46 AC_REQUIRE([gl_NETDB_H_DEFAULTS])
47])
48
33AC_DEFUN([gl_NETDB_H_DEFAULTS], 49AC_DEFUN([gl_NETDB_H_DEFAULTS],
34[ 50[
35 GNULIB_GETADDRINFO=0; AC_SUBST([GNULIB_GETADDRINFO])
36 dnl Assume proper GNU behavior unless another module says otherwise. 51 dnl Assume proper GNU behavior unless another module says otherwise.
37 HAVE_STRUCT_ADDRINFO=1; AC_SUBST([HAVE_STRUCT_ADDRINFO]) 52 HAVE_STRUCT_ADDRINFO=1; AC_SUBST([HAVE_STRUCT_ADDRINFO])
38 HAVE_DECL_FREEADDRINFO=1; AC_SUBST([HAVE_DECL_FREEADDRINFO]) 53 HAVE_DECL_FREEADDRINFO=1; AC_SUBST([HAVE_DECL_FREEADDRINFO])
@@ -40,4 +55,5 @@ AC_DEFUN([gl_NETDB_H_DEFAULTS],
40 HAVE_DECL_GETADDRINFO=1; AC_SUBST([HAVE_DECL_GETADDRINFO]) 55 HAVE_DECL_GETADDRINFO=1; AC_SUBST([HAVE_DECL_GETADDRINFO])
41 HAVE_DECL_GETNAMEINFO=1; AC_SUBST([HAVE_DECL_GETNAMEINFO]) 56 HAVE_DECL_GETNAMEINFO=1; AC_SUBST([HAVE_DECL_GETNAMEINFO])
42 REPLACE_GAI_STRERROR=0; AC_SUBST([REPLACE_GAI_STRERROR]) 57 REPLACE_GAI_STRERROR=0; AC_SUBST([REPLACE_GAI_STRERROR])
58 REPLACE_GETADDRINFO=0; AC_SUBST([REPLACE_GETADDRINFO])
43]) 59])