[Bug testsuite/27476] ACATS: Ada testsuite Bourne shell compatibility problem on hpux

[pinskia at gcc dot gnu dot org]

------- Comment #4 from pinskia at gcc dot gnu dot org  2006-05-08 16:31 -------
[ "x${main}" != "x" ] should also work and maybe a little more portable.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27476