diff --git a/ChangeLog b/ChangeLog
index c1b96a8..c668786 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2024-06-05  Bruno Haible  <bruno@clisp.org>
+
+	Fix build (regression 2024-04-04).
+	Reported by Pádraig Brady <P@draigBrady.com> in
+	<https://lists.gnu.org/archive/html/bug-gperf/2024-06/msg00000.html>.
+	* doc/configure.ac: Invoke AC_CONFIG_AUX_DIR, needed for locating
+	install-sh.
+	* lib/configure.ac: Likewise.
+	* src/configure.ac: Likewise.
+	* tests/configure.ac: Likewise.
+
 2024-04-04  Bruno Haible  <bruno@clisp.org>
 
 	Remove outdated Autoconf macro.
diff --git a/doc/configure.ac b/doc/configure.ac
index 77d83f2..2ca22bf 100644
--- a/doc/configure.ac
+++ b/doc/configure.ac
@@ -22,6 +22,7 @@ dnl along with this program.  If not, see <https://www.gnu.org/licenses/>.
 AC_PREREQ([2.64])
 AC_INIT
 AC_CONFIG_SRCDIR([gperf.texi])
+AC_CONFIG_AUX_DIR([../build-aux])
 PACKAGE=gperf
 AC_SUBST([PACKAGE])
 AC_PROG_MAKE_SET
diff --git a/lib/configure.ac b/lib/configure.ac
index c776467..39e00d0 100644
--- a/lib/configure.ac
+++ b/lib/configure.ac
@@ -22,6 +22,7 @@ dnl along with this program.  If not, see <https://www.gnu.org/licenses/>.
 AC_PREREQ([2.64])
 AC_INIT
 AC_CONFIG_SRCDIR([hash.cc])
+AC_CONFIG_AUX_DIR([../build-aux])
 AC_PROG_MAKE_SET
 dnl
 dnl           checks for programs
diff --git a/src/configure.ac b/src/configure.ac
index 604146c..cdbb87e 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -22,6 +22,7 @@ dnl along with this program.  If not, see <https://www.gnu.org/licenses/>.
 AC_PREREQ([2.64])
 AC_INIT
 AC_CONFIG_SRCDIR([main.cc])
+AC_CONFIG_AUX_DIR([../build-aux])
 AC_CONFIG_HEADERS([config.h])
 AC_PROG_MAKE_SET
 dnl
diff --git a/tests/configure.ac b/tests/configure.ac
index 55d87b8..6959ae5 100644
--- a/tests/configure.ac
+++ b/tests/configure.ac
@@ -1,6 +1,6 @@
 dnl autoconf configuration for gperf/tests
 
-dnl Copyright (C) 1998-2020 Free Software Foundation, Inc.
+dnl Copyright (C) 1998-2024 Free Software Foundation, Inc.
 dnl Written by Douglas C. Schmidt <schmidt@ics.uci.edu>
 dnl and Bruno Haible <bruno@clisp.org>.
 dnl
@@ -22,6 +22,7 @@ dnl along with this program.  If not, see <https://www.gnu.org/licenses/>.
 AC_PREREQ([2.64])
 AC_INIT
 AC_CONFIG_SRCDIR([c-parse.gperf])
+AC_CONFIG_AUX_DIR([../build-aux])
 AC_PROG_MAKE_SET
 dnl
 dnl           checks for programs