+cleanall: clean
+ rm -f youtube-dl youtube-dl.exe
+
+PREFIX ?= /usr/local
+BINDIR ?= $(PREFIX)/bin
+MANDIR ?= $(PREFIX)/man
+PYTHON ?= /usr/bin/env python
+
+# set SYSCONFDIR to /etc if PREFIX=/usr or PREFIX=/usr/local
+ifeq ($(PREFIX),/usr)
+ SYSCONFDIR=/etc
+else
+ ifeq ($(PREFIX),/usr/local)
+ SYSCONFDIR=/etc
+ else
+ SYSCONFDIR=$(PREFIX)/etc
+ endif
+endif