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Home/ Questions/Q 6902265
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Editorial Team
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Editorial Team
Asked: May 27, 20262026-05-27T07:46:37+00:00 2026-05-27T07:46:37+00:00

Is there a gcc macro that allows me to identify whether something is being

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Is there a gcc macro that allows me to identify whether something is being compiled in 64bit mode?

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  1. Editorial Team
    Editorial Team
    2026-05-27T07:46:37+00:00Added an answer on May 27, 2026 at 7:46 am

    Duplicate Question:
    Is there a GCC preprocessor directive to check if the code is being compiled on a 64 bit machine?

    __LP64__
    Seems to be what you want.

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