Imported Upstream version 3.2.0

[debian/amanda] / config / gnulib / inet_pton.m4

diff --git a/config/gnulib/inet_pton.m4 b/config/gnulib/inet_pton.m4
new file mode 100644 (file)
index 0000000..193f17d
--- /dev/null
+++ b/config/gnulib/inet_pton.m4
@@ -0,0 +1,38 @@
+# inet_pton.m4 serial 10
+dnl Copyright (C) 2006, 2008, 2009, 2010 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_FUNC_INET_PTON],
+[
+  dnl Persuade Solaris <arpa/inet.h> to declare inet_pton.
+  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+
+  gl_REPLACE_ARPA_INET_H
+
+  dnl Most platforms that provide inet_pton define it in libc.
+  dnl Solaris 8..10 provide inet_pton in libnsl instead.
+  gl_save_LIBS=$LIBS
+  AC_SEARCH_LIBS([inet_pton], [nsl], [],
+    [AC_REPLACE_FUNCS([inet_pton])])
+  LIBS=$gl_save_LIBS
+  INET_PTON_LIB=
+  if test "$ac_cv_search_inet_pton" != "no" &&
+     test "$ac_cv_search_inet_pton" != "none required"; then
+    INET_PTON_LIB="$ac_cv_search_inet_pton"
+  fi
+  AC_SUBST([INET_PTON_LIB])
+
+  gl_PREREQ_INET_PTON
+])
+
+# Prerequisites of lib/inet_pton.c.
+AC_DEFUN([gl_PREREQ_INET_PTON], [
+  AC_CHECK_DECLS([inet_pton],,,[#include <arpa/inet.h>])
+  if test $ac_cv_have_decl_inet_pton = no; then
+    HAVE_DECL_INET_PTON=0
+  fi
+  AC_REQUIRE([gl_SOCKET_FAMILIES])
+  AC_REQUIRE([AC_C_RESTRICT])
+])