Re: Canned command sequences

[Sam Ravnborg]

Hi all.

Posted the following a few weeks ago - wondered if anyone could explain it.
I have stripped down the background info a bit - so the essense is kept.

TIA,
        Sam

On Tue, Jun 03, 2003 at 10:50:53PM +0200, Sam Ravnborg wrote:
> The following makefile exhibit the problem, also at my installation:
> --------------------------
> define rule_up
>       echo hello
>       echo hello again
> endef
> 
> shut = @set -e; $(rule_$(1))
> 
> all:
>       $(call shut,up)
> ----------------------------
> 
> Output with make 3.79.1:
> ========================
> address@hidden tmp]$ make.old --version
> GNU Make version 3.79.1, by Richard Stallman and Roland McGrath.
> address@hidden tmp]$ make.old
> hello
> hello again
> 
> Output with make 3.80:
> ======================
> address@hidden tmp]$ make --version
> GNU Make 3.80
> address@hidden tmp]$ make
> hello
> echo hello again       <= Extra line only present with make 3.80
> hello again
> 
> The culprint is the extra line:
> "echo hello again"
> It should not be there.