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


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, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."


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