--- a/configure	2024-02-29 19:28:27.192049469 +0100
+++ b/configure	2024-02-29 19:28:41.507876154 +0100
@@ -2627,7 +2627,7 @@
 
     # Configure the installer.
 
-    INSTALL='$(SHELL) $(srcdir)/tclconfig/install-sh -c'
+    INSTALL='install -c'
     INSTALL_DATA_DIR='${INSTALL} -d -m 755'
     INSTALL_DATA='${INSTALL} -m 644'
     INSTALL_PROGRAM='${INSTALL} -m 755'
