--- a/auxiliary/Makefile	2026-04-23 23:53:10.818831380 +0200
+++ b/auxiliary/Makefile	2026-04-23 23:53:33.536570618 +0200
@@ -22,7 +22,7 @@
 devclean : distclean
 
 convcal$(EXE) : convcal.c
-	$(CC) $(CFLAGS0) $(CPPFLAGS) -Wl,-z,relro -Wl,-z,now -o $@ convcal.c $(NOGUI_LIBS)
+	$(CC) $(CFLAGS0) $(CPPFLAGS) -Wl,-z,relro -Wl,-z,now $(LDFLAGS) -o $@ convcal.c $(NOGUI_LIBS)
 
 install : $(AUXILIARIES) $(PROGRAMS) $(SCRIPTS)
 	$(MKINSTALLDIRS) $(DESTDIR)$(GRACE_HOME)/auxiliary