runtest.exp location search fail

[Honza Horak]

Hi,

after so called usrmove [1] in Fedora '/bin' is just a symlink to 
'/usr/bin'. Then a default $PATH includes '/bin' before '/usr/bin', 
which leads to the state where runtest is run under '/bin/runtest' and 
runtest.exp is located under '/usr/share/dejagnu/runtest.exp'.

runtest script then tries to guess location of runtest.exp, which fails, 
because the script searches it in: '@bindir@/../share' and 
'@bindir@/../../share'. Both paths are expanded to '/share' in this 
case, which will result in an error like that [2]:

$ runtest
ERROR: runtest.exp does not exist

I think two standard paths ('/usr/share/dejagnu' and 
'/usr/local/share/dejagnu' - which is where 'runtest.exp' is usually 
located) could be added to runtest script to be searched every-time. A 
little patch is attached.

Thanks for any comments

Cheers,

Honza

[1] https://fedoraproject.org/wiki/Features/UsrMove
[2] https://bugzilla.redhat.com/show_bug.cgi?id=788811

dejagnu-1.5-usrmove.patch
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