On Thursday 13 January 2011, Ian Lance wrote: > Stefano Lattarini <stefano.lattar...@gmail.com> writes: > > > Relative (as I expected): > > > > $ cat dejagnu-srcdir-is-absolute.dir/site.exp > > ## these variables are automatically generated by make ## > > # Do not edit here. If you wish to override these values > > # edit the last section > > set srcdir . > > set objdir /home/stefano/src/automake/tests/dejagnu-srcdir-is-absolute.dir > > ## All variables above are generated by configure. Do Not Edit ## > > > > But then, why the testcase suceeds? I would expect it to fail! > > 1) Does it matter? > IMHO yes (a little). Today I set out to fix this simple bug, but first I wanted to write a testcase to expose it. Well, I haven't been able to do so!
> It seems clear to me that if automake is going to specify the srcdir > in two different ways, that the two ways should use the same value. > I agree with this. > 2) DejaGNU is a horrible program and the problem is subtle, even more > subtle than I thought. DejaGNU loads site.exp, then uses the current > value of $srcdir to find and run the tool init script. That is where it > was going wrong for me. After that, it reprocesses the command line > options, setting srcdir back to what it was before. If you create a > file "lib/tcl.exp" and add a line > send_user "tcl.exp: $srcdir\n" > you will see that while executing tcl.exp, srcdir is ".". > Thanks for this explanation! I will use it to fix my testcase. Regards, Stefano