Makefile: support relative paths for out of tree builds

And complain if the output directory cannot be created.
This commit is contained in:
Peter Korsgaard 2008-09-16 20:53:45 +00:00
parent 49e3aba2d9
commit e3556c8862

View File

@ -30,7 +30,8 @@ TAR_OPTIONS=$(subst ",, $(BR2_TAR_OPTIONS)) -xf
BASE_DIR:=$(shell pwd)
ifdef O
ifeq ("$(origin O)", "command line")
BASE_DIR := $(O)
BASE_DIR := $(shell mkdir -p $(O) && cd $(O) && pwd)
$(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
endif
endif