Use DESTDIR for make install

Add a DESTDIR environment variable to allow petitboot to be installed
to a temporary root.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

diff --git a/Makefile b/Makefile
index 642850d84ef578284644525bb71283d9e84c823a..240f5d6901a10752a653bd8b9acc74db80b7129a 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -27,10 +27,10 @@ udev-helper: devices/udev-helper.o devices/params.o devices/yaboot-cfg.o \
 devices/%: CFLAGS+=-I.
 
 install: all
 devices/%: CFLAGS+=-I.
 
 install: all

-       $(INSTALL) -D petitboot $(PREFIX)/sbin/petitboot
-       $(INSTALL) -D udev-helper $(PREFIX)/sbin/udev-helper
-       $(INSTALL) -Dd $(PREFIX)/share/petitboot/artwork/
-       $(INSTALL) -t $(PREFIX)/share/petitboot/artwork/ \
+       $(INSTALL) -D petitboot $(DESTDIR)$(PREFIX)/sbin/petitboot
+       $(INSTALL) -D udev-helper $(DESTDIR)$(PREFIX)/sbin/udev-helper
+       $(INSTALL) -Dd $(DESTDIR)$(PREFIX)/share/petitboot/artwork/
+       $(INSTALL) -t $(DESTDIR)$(PREFIX)/share/petitboot/artwork/ \

                $(foreach a,$(ARTWORK),artwork/$(a))
 
 dist:  $(PACKAGE)-$(VERSION).tar.gz
                $(foreach a,$(ARTWORK),artwork/$(a))
 
 dist:  $(PACKAGE)-$(VERSION).tar.gz