project/Makefile.in: workaround issue with out-of-tree builds

Other packages might also support Linux-style out of tree builds
with the O=<dir> syntax (E.G. Busybox does). As make automatically
forwards command line variable definitions those packages get very
confused. Fix this by telling make to not do so
This commit is contained in:
Peter Korsgaard 2008-09-26 14:04:08 +00:00
parent 0915c62d98
commit 94b3420da9
1 changed files with 6 additions and 0 deletions

View File

@ -32,6 +32,12 @@ ifdef O
ifeq ("$(origin O)", "command line")
BASE_DIR := $(shell mkdir -p $(O) && cd $(O) && pwd)
$(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
# other packages might also support Linux-style out of tree builds
# with the O=<dir> syntax (E.G. Busybox does). As make automatically
# forwards command line variable definitions those packages get very
# confused. Fix this by telling make to not do so
MAKEOVERRIDES =
endif
endif