diff -Naur ytree-2.12-old/Makefile ytree-2.12-new/Makefile
--- ytree-2.12-old/Makefile	2026-04-20 18:00:22.000000000 +0000
+++ ytree-2.12-new/Makefile	2026-05-17 12:00:00.000000000 +0000
@@ -14,10 +14,11 @@
 
 ADD_CFLAGS  = # -DVI_KEYS
 
-DESTDIR     = /usr
-BINDIR      = $(DESTDIR)/bin
-MANDIR      = $(DESTDIR)/share/man/man1
+PREFIX      = /usr
 
+BINDIR      = $(DESTDIR)$(PREFIX)/bin
+MANDIR      = $(DESTDIR)$(PREFIX)/share/man/man1
+MANESDIR    = $(DESTDIR)$(PREFIX)/share/man/es/man1
 
 # Uncomment the lines for your system (default is linux)
 
@@ -218,7 +219,7 @@
 install:	$(MAIN)
 		if [ ! -e $(BINDIR) ]; then mkdir -p $(BINDIR); fi
 		install $(MAIN) $(BINDIR)
-		gzip -9c ytree.1 > ytree.1.gz
+		gzip -n -9c ytree.1 > ytree.1.gz
 		if [ ! -e $(MANDIR) ]; then mkdir -p $(MANDIR); fi
 		install -m 0644 ytree.1.gz  $(MANDIR)/