--- Makefile.orig	2004-10-02 00:05:44.000000000 +0300
+++ Makefile	2020-02-13 22:32:26.890849472 +0200
@@ -33,14 +33,14 @@
 # possible. This definition is ok for gcc; if your compiler has
 # problems, comment this out.
 #
-INLINEDEF=-DINLINE_DRAWPIX
+#INLINEDEF=-DINLINE_DRAWPIX
 
 # dest for make install
 #
-PREFIX=/usr/local
+PREFIX=/usr
 BINDIR=$(PREFIX)/bin
 XBINDIR=$(BINDIR)
-MANDIR=$(PREFIX)/man/man1
+MANDIR=$(PREFIX)/share/man/man1
 LIBDIR=$(PREFIX)/lib/z81
 
 # if you want the X version to be installed in the usual X executables