From: David Brown <git@davidb.org>
Date: Fri, 04 Nov 2005 16:59:03 GMT
Subject: Re: CFLAGS usage
Message-ID: <20051104165903.GA13125@old.davidb.org>
In-Reply-To: <118833cc0511040721w7f3990fbw631feaa6a4bda936@mail.gmail.com>

On Fri, Nov 04, 2005 at 10:21:55AM -0500, Morten Welinder wrote:

> Various stuff is being added to CFLAGS, but CFLAGS is not being used
> after being composed in CFLAGS_ALL.

> CFLAGS = -g -O2 -Wall
> ALL_CFLAGS = $(CFLAGS) $(PLATFORM_DEFINES) $(DEFINES)
>                 CFLAGS += -I$(CURLDIR)/include

Make expands variable lazily, so the ALL_CFLAGS expansion only happens at
the point of use, where all of the CFLAGS definitions have been made.

Dave