From: Junio C Hamano Date: Fri, 04 Nov 2005 18:47:46 GMT Subject: Re: CFLAGS usage Message-ID: <7vek5ww8q5.fsf@assigned-by-dhcp.cox.net> In-Reply-To: <20051104182342.GA27711@old.davidb.org> David Brown writes: > And the additional CFLAGS will only apply to the compilation of foo. > Since the ALL_CFLAGS is expanded lazily, it gets expanded for each target, > and the rule above causes CFLAGS to have extra values only on that target. Lazy expansion is true, but the reason we did ALL_CFLAGS was to make CFLAGS overridable from the command line. I suspect that this would currently fail to add -I/some/where/include on the compilation command line: make CFLAGS='-Os -g' CURLDIR=/some/where while CURL_LIBCURL is set correctly on the linkage command line.