Date: Mon, 09 Aug 2004 09:41:10 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: johan@FreeBSD.ORG Cc: cvs-src@FreeBSD.ORG Subject: Re: cvs commit: src/usr.bin/make Makefile main.c nonints.h var.c Message-ID: <20040809.094110.04712576.imp@bsdimp.com> In-Reply-To: <20040809.092824.11587387.imp@bsdimp.com> References: <7mllgolwsk.wl@black.imgsrc.co.jp> <20040809061817.GA53369@numeri.campus.luth.se> <20040809.092824.11587387.imp@bsdimp.com>
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In message: <20040809.092824.11587387.imp@bsdimp.com>
"M. Warner Losh" <imp@bsdimp.com> writes:
: In message: <20040809061817.GA53369@numeri.campus.luth.se>
: Johan Karlsson <johan@FreeBSD.org> writes:
: : On Mon, Aug 09, 2004 at 14:12 (+0900), Jun Kuriyama wrote:
: : > At Tue, 3 Aug 2004 18:56:31 +0000 (UTC),
: : > Hartmut Brandt wrote:
: : > > Log:
: : > > Put variable assignments from the command line into the MAKEFLAGS
: : > > variable as required by POSIX. This causes such variables to be
: : > > pushed into all sub-makes called by the make (except when the MAKEFLAGS
: : > > variable is explicitely changed in the sub-make's environment).
: : > > This makes them also mostly un-overrideable in sub-makes except on the
: : > > sub-make's command line. Therefor specifying 'make CC=icc' will cause
: : > > icc to be used as C compiler in all sub-makes no matter what the Makefiles
: : > > itself try to do to the CC variable.
: : > >
: : > > This patch also corrects the handling of the MFLAGS variable. MFLAGS
: : > > contains all the command line flags but not the command line variable
: : > > assignments. The evaluation of the .MFLAGS or .MAKEFLAGS target now
: : > > changes both MFLAGS and MAKEFLAGS (they used to change MAKEFLAGS only).
: : > > Makefiles can use MFLAGS for their own purposes given that they do not
: : > > except MFLAGS to be undefined at the beginning and that they don't evaluate
: : > > .MFLAGS or .MAKEFLAGS. MFLAGS should be removed for POSIX compliance,
: : > > but it is unfortunately heavily used by the X makefiles.
: : >
: : > I'm using MAKEOBJDIRPREFIX as a make argument to build the world.
: :
: : Don't.
: : According to make(1) it is an environment variable.
:
: The current man page is stunningly vague about this. It says that it
: respects these environment variables, but it doesn't say they have to
: be set in the enviornment to the exclusion of setting them on the
: command line.
So either we can make it work, or document that the variables listed
in the environment section must be set as environment variables only.
Warner
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