diff -ru tree-2.0.2.orig/Makefile tree-2.0.2/Makefile

--- tree-2.0.2.orig/Makefile	2022-02-16 22:45:43.000000000 +0100

+++ tree-2.0.2/Makefile	2022-02-17 22:49:24.340545322 +0100

@@ -26,15 +26,13 @@

 DESTDIR=${PREFIX}/bin

 MAN=tree.1

 # Probably needs to be ${PREFIX}/share/man for most systems now

-MANDIR=${PREFIX}/man

+MANDIR=${DESTDIR}${PREFIX}/share/man

 OBJS=tree.o list.o hash.o color.o file.o filter.o info.o unix.o xml.o json.o html.o strverscmp.o

 # Uncomment options below for your particular OS:

 # Linux defaults:

 #CFLAGS=-ggdb -pedantic -Wall -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64

-CFLAGS=-O3 -pedantic -Wall -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64

-LDFLAGS=-s

 # Uncomment for FreeBSD:

 #CC=cc

@@ -105,7 +103,7 @@

 install: tree

 	$(INSTALL) -d $(DESTDIR)

 	$(INSTALL) -d $(MANDIR)/man1

-	$(INSTALL) $(TREE_DEST) $(DESTDIR)/$(TREE_DEST); \

+	$(INSTALL) $(TREE_DEST) $(DESTDIR)${PREFIX}/bin/$(TREE_DEST); \

 	$(INSTALL) -m 644 doc/$(MAN) $(MANDIR)/man1/$(MAN)

 distclean: