diff --git a/regexp/Makefile.am b/regexp/Makefile.am
new file mode 100644
index 000000000..8f3c1ce7f
--- /dev/null
+++ b/regexp/Makefile.am
@@ -0,0 +1,28 @@
+# Makefile for common gnupg modules
+# Copyright (C) 2020 g10 Code GmbH
+#
+# This file is part of GnuPG.
+#
+# GnuPG 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.
+#
+# GnuPG 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 <https://www.gnu.org/licenses/>.
+
+## Process this file with automake to produce Makefile.in
+
+noinst_LIBRARIES = libregexp.a
+
+AM_CPPFLAGS = -DJIM_REGEXP -DJIM_UTF8 -DUSE_UTF8
+
+AM_CFLAGS =
+
+libregexp_a_SOURCES = jimregexp.h utf8.h jimregexp.c utf8.c
+libregexp_a_CFLAGS = $(AM_CFLAGS)