--- Makefile.old	2010-01-22 18:02:32.000000000 +0100
+++ Makefile	2021-07-03 16:55:59.092249878 +0200
@@ -1,12 +1,13 @@
 X11LIBDIR = /usr/X11R6/lib
 PASCALCOMPILER = fpc
-CC = gcc
-CFLAGS = -O2 -g
+#CC = gcc
+#CFLAGS = -O2 -g
 
 POBJS =	puff.o pfart.o pffft.o pfmsc.o pfrw.o pfst.o pfun1.o pfun2.o pfun3.o xgraph.o
 
 puff:	$(POBJS) puff_c.o ppas.sh
-	sed 's/link.res/link.res puff_c.o \/usr\/lib\/libX11.so/' <ppas.sh  >ppasx.sh
+	sed -i -e 's!^[^[:space:]]\+ -b!$(LD) -b!g' ppas.sh
+	sed 's/.res/.res $(LDFLAGS) puff_c.o \/usr\/lib64\/libX11.so/' <ppas.sh  >ppasx.sh
 	sh ppasx.sh
 
 %.o:	%.pas