--- Makefile.in~	2021-07-08 13:37:21.000000000 +0200
+++ Makefile.in	2021-12-21 10:13:14.973574000 +0100
@@ -367,7 +367,10 @@
 # multilib-specific flags, it's overridden by FLAGS_TO_PASS from the
 # default multilib, so we have to take CFLAGS into account as well,
 # since it will be passed the multilib flags.
-MULTIOSDIR = `$(CC) $(CFLAGS) -print-multi-os-directory`
+#
+# XXX Clang does not support -print-multi-os-directory
+MULTIOSDIR = .
+#MULTIOSDIR = `$(CC) $(CFLAGS) -print-multi-os-directory`
 install_to_libdir: all
 	if test -n "${target_header_dir}"; then \
 		${mkinstalldirs} $(DESTDIR)$(libdir)/$(MULTIOSDIR); \