diff -r 67a590cf2d15 -r a7475f739778 make/update-rules.sh
--- a/make/update-rules.sh	Tue Apr 07 20:33:29 2026 +0200
+++ b/make/update-rules.sh	Thu May 21 12:34:28 2026 +0200
@@ -41,7 +41,7 @@
 sed '/FORCE:/q' Makefile.old > Makefile
 echo >> Makefile
 for file in `ls *.c` ; do
-  "$CC" -MT "\$(BUILD_DIR)/${file/.c/.o}" -MM $CFLAGS "$file"
+  "$CC" -MT "\$(BUILD_DIR)/${file%.c}.o" -MM $CFLAGS "$file"
   printf '\t@echo "Compiling $<"\n'
   printf '\t$(CC) -o $@ $(CFLAGS) -c $<\n\n'
 done  >> Makefile