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authorJörg Frings-Fürst <debian@jff.email>2022-01-08 11:51:07 +0100
committerJörg Frings-Fürst <debian@jff.email>2022-01-08 11:51:07 +0100
commitbe8efac78d067c138ad8dda03df4336e73f94887 (patch)
tree5f5254a628ba0ef72065b93d949d1c985742ea8e /gnulib-m4/arpa_inet_h.m4
parent7b65dbd4ebade81d504cfe5e681292a58ad1fdf0 (diff)
New upstream version 1.0upstream/1.0
Diffstat (limited to 'gnulib-m4/arpa_inet_h.m4')
-rw-r--r--gnulib-m4/arpa_inet_h.m474
1 files changed, 74 insertions, 0 deletions
diff --git a/gnulib-m4/arpa_inet_h.m4 b/gnulib-m4/arpa_inet_h.m4
new file mode 100644
index 00000000..057e13fc
--- /dev/null
+++ b/gnulib-m4/arpa_inet_h.m4
@@ -0,0 +1,74 @@
+# arpa_inet_h.m4 serial 17
+dnl Copyright (C) 2006, 2008-2022 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.
+
+dnl Written by Simon Josefsson and Bruno Haible
+
+AC_DEFUN_ONCE([gl_ARPA_INET_H],
+[
+ dnl Ensure to expand the default settings once only, before all statements
+ dnl that occur in other macros.
+ AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
+
+ AC_CHECK_HEADERS_ONCE([arpa/inet.h])
+ if test $ac_cv_header_arpa_inet_h = yes; then
+ HAVE_ARPA_INET_H=1
+ else
+ HAVE_ARPA_INET_H=0
+ fi
+ AC_SUBST([HAVE_ARPA_INET_H])
+ dnl <arpa/inet.h> is always overridden, because of GNULIB_POSIXCHECK.
+ gl_CHECK_NEXT_HEADERS([arpa/inet.h])
+
+ AC_REQUIRE([gl_FEATURES_H])
+
+ gl_PREREQ_SYS_H_WS2TCPIP
+
+ 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([[
+/* On some systems, this header is not self-consistent. */
+#if !(defined __GLIBC__ || defined __UCLIBC__)
+# include <sys/socket.h>
+#endif
+#ifdef __TANDEM
+# include <netdb.h>
+#endif
+#include <arpa/inet.h>
+ ]], [inet_ntop inet_pton])
+])
+
+# gl_ARPA_INET_MODULE_INDICATOR([modulename])
+# sets the shell variable that indicates the presence of the given module
+# to a C preprocessor expression that will evaluate to 1.
+# This macro invocation must not occur in macros that are AC_REQUIREd.
+AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR],
+[
+ dnl Ensure to expand the default settings once only.
+ gl_ARPA_INET_H_REQUIRE_DEFAULTS
+ gl_MODULE_INDICATOR_SET_VARIABLE([$1])
+])
+
+# Initializes the default values for AC_SUBSTed shell variables.
+# This macro must not be AC_REQUIREd. It must only be invoked, and only
+# outside of macros or in macros that are not AC_REQUIREd.
+AC_DEFUN([gl_ARPA_INET_H_REQUIRE_DEFAULTS],
+[
+ m4_defun(GL_MODULE_INDICATOR_PREFIX[_ARPA_INET_H_MODULE_INDICATOR_DEFAULTS], [
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_INET_NTOP])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_INET_PTON])
+ ])
+ m4_require(GL_MODULE_INDICATOR_PREFIX[_ARPA_INET_H_MODULE_INDICATOR_DEFAULTS])
+ AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
+])
+
+AC_DEFUN([gl_ARPA_INET_H_DEFAULTS],
+[
+ dnl Assume proper GNU behavior unless another module says otherwise.
+ HAVE_DECL_INET_NTOP=1; AC_SUBST([HAVE_DECL_INET_NTOP])
+ HAVE_DECL_INET_PTON=1; AC_SUBST([HAVE_DECL_INET_PTON])
+ REPLACE_INET_NTOP=0; AC_SUBST([REPLACE_INET_NTOP])
+ REPLACE_INET_PTON=0; AC_SUBST([REPLACE_INET_PTON])
+])