Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com
Date:	Tue, 1 Jun 2004 10:38:30 -0400
From:	Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: problem with make under cygwin
Message-ID:	<20040601143830.GB31443@coe.casa.cgf.cx>
Reply-To:	cygwin AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
References:	<40BC3795 DOT 7030902 AT sysgo DOT com>
Mime-Version:	1.0
In-Reply-To:	<40BC3795.7030902@sysgo.com>
User-Agent:	Mutt/1.4.1i

On Tue, Jun 01, 2004 at 10:00:21AM +0200, bertrand marquis wrote:
>Hello
>
>   i'm having a strange problem with the make command and shell.
>
>i try to run a makefile with this :
>HAVE_DEVFS := $(shell grep 'CONFIG_DEVFS_FS=y' ../../linux/.config &> 
>/dev/null && echo "yes" || echo "no")
>
>the shell command is working out of a makefile but in the makefile the 
>HAVE_DEVFS variable only contain the output of the grep command. Does 
>anyone know why it doesn't work ?

make uses /bin/sh.  /bin/sh doesn't understand the >& construct.  It
is not portable.

Use

HAVE_DEVFS := $(shell grep 'CONFIG_DEVFS_FS=y' ../../linux/.config >/dev/null 2>&1 && echo "yes" || echo "no")

instead.

cgf

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

- Raw text -