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Re: Possible bug in Makefile 3.81
From: |
Bob Proulx |
Subject: |
Re: Possible bug in Makefile 3.81 |
Date: |
Tue, 6 Nov 2007 09:34:10 -0700 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
address@hidden wrote:
> It is DASH the one causing all the trouble:
But it is pointing out to you an importable part of your makefile. I
am always thankful when these things are pointed out to me. Having
/bin/sh linked to a strict shell sounds like an attractive idea to me.
By setting /bin/sh to dash it is very noisily complaining about non-
POSIX /bin/sh features being used. When you are using [[ you are
using a non-standard shell feature. That is fine if you are using a
non-standard shell but not if the shell is /bin/sh. When using
/bin/sh only standard features should be used.
> /bin/dash: [[: not found
If you want to use bash/ksh specific shell syntax then you would need
to specify "SHELL = /bin/ksh" (or whatever) in your Makefile.
SHELL = /bin/ksh
all:
if [[ -n "string" ]]; then echo "hello"; fi
But personally I recommend sticking to the standard syntax and simply
using the normal and standard test operator.
all:
if [ -n "string" ]; then echo "hello"; fi
See also the standards documentation.
http://www.opengroup.org/onlinepubs/009695399/utilities/test.html
Bob
- Re: Possible bug in Makefile 3.81, (continued)
- Re: Possible bug in Makefile 3.81, address@hidden, 2007/11/06
- Re: Possible bug in Makefile 3.81, Bob Proulx, 2007/11/06
- Re: Possible bug in Makefile 3.81, Karl Berry, 2007/11/06
- Re: Possible bug in Makefile 3.81, Micah Cowan, 2007/11/06
- Re: Possible bug in Makefile 3.81, Karl Berry, 2007/11/06
- Re: Possible bug in Makefile 3.81, Micah Cowan, 2007/11/06
- Re: Possible bug in Makefile 3.81, Eric Blake, 2007/11/06
- Re: Possible bug in Makefile 3.81, Karl Berry, 2007/11/20
- Re: Possible bug in Makefile 3.81, Olly Betts, 2007/11/26
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