diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000000000000000000000000000000000000..d1da30853d4f58190fe26f8840d62bba13a00672
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,47 @@
+# Copyright 2022 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# This file helps editors auto-configure whitespace settings.
+#
+# See here for more information about the format and editor support:
+#
+#   https://editorconfig.org/
+
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+tab_width = 8
+
+# Makefile
+[{Makefile*,*.mk}]
+indent_style = tab
+indent_size = 8
+
+# C/C++
+[*.{c,h,cc}]
+indent_style = tab
+indent_size = 2
+
+# Expect / TCL
+[*.{exp,tcl}]
+indent_style = tab
+indent_size = 4
+
+# Python
+[*.py]
+indent_style = space
+indent_size = 4