--- ./Makefile	2015-07-07 22:35:38.000000000 +0430
+++ ./Makefile	2022-06-10 11:50:04.240052084 +0430
@@ -2,16 +2,14 @@
 prefix      = /usr
 USRBINDIR   = $(DESTDIR)$(prefix)/bin
 
-CC = $(CROSS_COMPILE)gcc
-LD = $(CROSS_COMPILE)gcc
 INSTALL = install
 
 all : ciso
 ciso : ciso.o
-	gcc -o ciso ciso.o -lz
+	$(CC) $(LDFLAGS) -o ciso ciso.o -lz
 
 ciso.o : ciso.c
-	gcc -o ciso.o -c ciso.c
+	$(CC) $(CFLAGS) $(CPPFLAGS) -o ciso.o -c ciso.c
 
 install :
 	$(INSTALL) -m 755 ciso $(USRBINDIR)/ciso