--- makefile.orig	2018-08-12 04:41:58 UTC
+++ makefile
@@ -1,7 +1,7 @@
-SHELL=/bin/bash
+SHELL=/bin/sh
 CFLAGS=--std=c99
 
-prefix=/usr
+prefix=$(PREFIX)
 bindir=$(prefix)/bin
 sharedir=$(prefix)/share
 localedir=$(sharedir)/locale
@@ -101,17 +101,15 @@ install:
 	mkdir -p "$(DESTDIR)$(sharedir)/${app_name}"
 	mkdir -p "$(DESTDIR)$(sharedir)/pixmaps"
 	mkdir -p "$(DESTDIR)$(sharedir)/appdata"
-	mkdir -p "$(DESTDIR)/var/log/polo"
 	
 	#binary
 	install -m 0755 ${app_name}-gtk "$(DESTDIR)$(bindir)"
 	install -m 0755 ${app_name}-gtk3-helper "$(DESTDIR)$(bindir)"
 	install -m 0755 ${app_name}-disk "$(DESTDIR)$(bindir)"
-	install -m 0755 ${app_name}-uninstall "$(DESTDIR)$(bindir)"
 
 	#shared files
-	cp -dpr --no-preserve=ownership -t "$(DESTDIR)$(sharedir)/${app_name}" ./share/${app_name}/*
-	chmod --recursive 0755 $(DESTDIR)$(sharedir)/${app_name}/*
+	cp -Ppr share/${app_name}/* "$(DESTDIR)$(sharedir)/${app_name}"
+	chmod -R 0755 $(DESTDIR)$(sharedir)/${app_name}/*
 	chmod a+x $(DESTDIR)$(sharedir)/${app_name}/files/gtk-theme/install-gtk-theme
 
 	#launcher