diff --git a/m4/ax_add_am_macro.m4 b/m4/ax_add_am_macro.m4
new file mode 100644
index 000000000..51ce0d0c2
--- /dev/null
+++ b/m4/ax_add_am_macro.m4
@@ -0,0 +1,29 @@
+# ===========================================================================
+#      http://www.gnu.org/software/autoconf-archive/ax_add_am_macro.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_ADD_AM_MACRO([RULE])
+#
+# DESCRIPTION
+#
+#   Adds the specified rule to $AMINCLUDE. This macro will only work
+#   properly with implementations of Make which allow include statements.
+#   See also AX_ADD_AM_MACRO_STATIC.
+#
+# LICENSE
+#
+#   Copyright (c) 2009 Tom Howard <tomhoward@users.sf.net>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved. This file is offered as-is, without any
+#   warranty.
+
+#serial 9
+
+AC_DEFUN([AX_ADD_AM_MACRO],[
+  AC_REQUIRE([AX_AM_MACROS])
+  AX_APPEND_TO_FILE([$AMINCLUDE],[$1])
+])
diff --git a/m4/ax_append_to_file.m4 b/m4/ax_append_to_file.m4
new file mode 100644
index 000000000..c88affb46
--- /dev/null
+++ b/m4/ax_append_to_file.m4
@@ -0,0 +1,27 @@
+# ===========================================================================
+#     http://www.gnu.org/software/autoconf-archive/ax_append_to_file.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_APPEND_TO_FILE([FILE],[DATA])
+#
+# DESCRIPTION
+#
+#   Appends the specified data to the specified file.
+#
+# LICENSE
+#
+#   Copyright (c) 2008 Tom Howard <tomhoward@users.sf.net>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved. This file is offered as-is, without any
+#   warranty.
+
+#serial 7
+
+AC_DEFUN([AX_APPEND_TO_FILE],[
+AC_REQUIRE([AX_FILE_ESCAPES])
+printf "$2" >> "$1"
+])
diff --git a/m4/ax_file_escapes.m4 b/m4/ax_file_escapes.m4
new file mode 100644
index 000000000..f4c6a06ae
--- /dev/null
+++ b/m4/ax_file_escapes.m4
@@ -0,0 +1,30 @@
+# ===========================================================================
+#      http://www.gnu.org/software/autoconf-archive/ax_file_escapes.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_FILE_ESCAPES
+#
+# DESCRIPTION
+#
+#   Writes the specified data to the specified file.
+#
+# LICENSE
+#
+#   Copyright (c) 2008 Tom Howard <tomhoward@users.sf.net>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved. This file is offered as-is, without any
+#   warranty.
+
+#serial 7
+
+AC_DEFUN([AX_FILE_ESCAPES],[
+AX_DOLLAR="\$"
+AX_SRB="\\135"
+AX_SLB="\\133"
+AX_BS="\\\\"
+AX_DQ="\""
+])
diff --git a/m4/ax_print_to_file.m4 b/m4/ax_print_to_file.m4
new file mode 100644
index 000000000..5b9d1c391
--- /dev/null
+++ b/m4/ax_print_to_file.m4
@@ -0,0 +1,27 @@
+# ===========================================================================
+#     http://www.gnu.org/software/autoconf-archive/ax_print_to_file.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_PRINT_TO_FILE([FILE],[DATA])
+#
+# DESCRIPTION
+#
+#   Writes the specified data to the specified file.
+#
+# LICENSE
+#
+#   Copyright (c) 2008 Tom Howard <tomhoward@users.sf.net>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved. This file is offered as-is, without any
+#   warranty.
+
+#serial 7
+
+AC_DEFUN([AX_PRINT_TO_FILE],[
+AC_REQUIRE([AX_FILE_ESCAPES])
+printf "$2" > "$1"
+])