Re: [patch] Compile fix for 64-bit HPUX

Andreas Schwab
2006-03-28T23:13:21Z

Daniel Jacobowitz <drow@false.org> writes:

>> + oldcflags="${CFLAGS-}"
>
> What's ${foo-}? I don't see it in my bash or dash docs.

In (bash)Shell Parameter Expansion, the paragraph before the table:

When not performing substring expansion, Bash tests for a parameter
that is unset or null; omitting the colon results in a test only for a
^^^^^^^^^^^^^^^^^^
parameter that is unset.

Andreas.

--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, MaxfeldstraÃŸe 5, 90409 NÃ¼rnberg, Germany
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