By Poul-Henning Kamp Message ID: 74895.1150621318@critter.freebsd.dk on freebsd-current@freebsd.org

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is guaranteed to turn even the most portable source code into a unportable mess.

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employs a plethora of checks for features no longer in existence on any running operating system, even if your software package does not actually come close to using that feature.

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will seem like the only feasible way to write portable code.

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”

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actually decreases software portability.

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– because we otherwise anybody could port software!