diff -ur ../jwm-500.orig/Makefile.in ./Makefile.in
--- ../jwm-500.orig/Makefile.in	2011-01-13 10:40:49.000000000 -0200
+++ ./Makefile.in	2011-08-30 17:46:36.402161442 -0300
@@ -9,9 +9,9 @@
 install: all
 	cd src ; $(MAKE) install ; cd ..
 	install -d $(SYSCONF)
-	install -m 644 example.jwmrc $(SYSCONF)/system.jwmrc
+	install -p -m 644 example.jwmrc $(SYSCONF)/system.jwmrc
 	install -d $(MANDIR)/man1
-	install -m 644 jwm.1 $(MANDIR)/man1/jwm.1
+	install -p -m 644 jwm.1 $(MANDIR)/man1/jwm.1
 
 depend:
 	cd src ; $(MAKE) depend
diff -ur ../jwm-500.orig/src/Makefile.in ./src/Makefile.in
--- ../jwm-500.orig/src/Makefile.in	2011-08-30 17:45:48.211164739 -0300
+++ ./src/Makefile.in	2011-08-30 17:46:15.768162885 -0300
@@ -21,7 +21,7 @@
 
 install: all
 	install -d $(BINDIR)
-	install $(EXE) $(BINDIR)/$(EXE)
+	install -p $(EXE) $(BINDIR)/$(EXE)
 
 depend:
 	makedepend -m -DMAKE_DEPEND -- $(CFLAGS) -- *.c