diff --color -urN memtester-4.5.1/Makefile memtester-4.5.1-new/Makefile
--- memtester-4.5.1/Makefile	2021-05-31 01:10:52.000000000 +0800
+++ memtester-4.5.1-new/Makefile	2022-07-05 03:32:36.885577441 +0800
@@ -17,7 +17,8 @@
 OBJECTS		= $(SOURCES:.c=.o)
 HEADERS		= memtester.h
 TARGETS     = *.o compile load auto-ccld.sh find-systype make-compile make-load systype extra-libs
-INSTALLPATH	= /usr/local
+BINDIR		= ${DESTDIR}/usr/bin
+MANDIR		= ${DESTDIR}/usr/share/man/man8
 
 #
 # Targets
@@ -25,10 +26,10 @@
 all: memtester
 
 install: all
-	mkdir -m 755 -p $(INSTALLPATH)/bin
-	install -m 755 memtester $(INSTALLPATH)/bin/
-	mkdir -m 755 -p $(INSTALLPATH)/man/man8
-	gzip -c memtester.8 >memtester.8.gz ; install -m 644 memtester.8.gz $(INSTALLPATH)/man/man8/
+	mkdir -m 755 -p $(BINDIR)
+	mkdir -m 755 -p $(MANDIR)
+	install -m 755 memtester $(BINDIR)
+	gzip -c memtester.8 >memtester.8.gz ; install -m 644 memtester.8.gz $(MANDIR)
 
 auto-ccld.sh: \
 conf-cc conf-ld warn-auto.sh