On Mon, Mar 16, 2009 at 06:37:40PM +0100, Raphael Hertzog wrote: > Suppose you have "FOO ?= bar" in the Makefile, write me the rest of the > Makefile so that I have this: > $ FOO=foo make > FOO was set in the environment > $ make FOO=foo > FOO was set on the command-line > $ make > FOO was set in the Makefile $ cat Makefile FOO ?= bar all: ifeq "$(origin FOO)" "command line" $(info "FOO was set on the command-line") endif ifeq "$(origin FOO)" "environment" $(info "FOO was set in the environment") endif ifeq "$(origin FOO)" "file" $(info "FOO was set in the Makefile") endif -- James GPG Key: 1024D/61326D40 2003-09-02 James Vega <jamessan@debian.org>
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