Regression test problem

[Graham Phillips <graham@ISI.EDU>]

Hi

I'm experiencing a problem with the Janos regression 'check' program
on Solaris. 

--Graham

asterix:/asterix/janos-20000214 430% ./check
[Making check in java/]
   Running test HelloWorld-default-debug... 
diff: illegal option -- u
usage: diff [-bitw] [-c | -e | -f | -h | -n] file1 file2
       diff [-bitw] [-C number] file1 file2
       diff [-bitw] [-D string] file1 file2
       diff [-bitw] [-c | -e | -f | -h | -n] [-l] [-r] [-s] [-S name] directory1 directory2
    ok.
   Running test DoWhileCompilerBug-default-debug... 
^Cgmake[1]: *** [DoWhileCompilerBug-default-run] Interrupt
gmake: *** [check-subdirs] Error 130