Subject: Re: bug#7833: automake uses two different values for DejaGNU srcdir

From: Stefano Lattarini <[email-masked]>
Date: Thu, 13 Jan 2011 13:52:32 +0100

Hello Ian.

On Wednesday 12 January 2011, Ian Lance wrote:
> When automake is configured to use DejaGNU, it uses two different values
> for srcdir.  There are two different cases in lib/am/dejagnu.am:
> 
> The first is in check-DEJAGNU:
> 
> check-DEJAGNU: site.exp
> ## Life is easiest with an absolute srcdir, so do that.
> 	srcdir=`$(am__cd) $(srcdir) && pwd`; export srcdir; \
> 
> This value is passed to runtest with a --srcdir option.
> 
> The second is in site.exp:
> 
> site.exp: Makefile
> 	@echo 'Making a new site.exp file...'
> 	@echo '## these variables are automatically generated by make ##' >site.tmp
> 	@echo '# Do not edit here.  If you wish to override these values' >>site.tmp
> 	@echo '# edit the last section' >>site.tmp
> 	@echo 'set srcdir $(srcdir)' >>site.tmp
> 
> This value is read by DejaGNU after option processing is complete,
> effectively overwriting the value passed with the --srcdir option.
> 
> The value of srcdir stored in site.exp should be an absolute path, just
> like the value passed to runtest via --srcdir.
>
Are you sure about this?  Why then is the attached testcase working
(for me at least)?

Please note that I'm a total Tcl/DejaGnu noob, so it might likely be
that I'm missing something obvious here.  In that case, just point out
my mistake, and sorry in advance!

Regards,
   Stefano