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Home/ Questions/Q 7002139
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Editorial Team
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Editorial Team
Asked: May 27, 20262026-05-27T20:53:27+00:00 2026-05-27T20:53:27+00:00

Undefined reference error refers to missing declaration or the definition or both? Compiler: GCC

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Undefined reference error refers to missing declaration or the definition or both?

Compiler: GCC on Linux

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  1. Editorial Team
    Editorial Team
    2026-05-27T20:53:28+00:00Added an answer on May 27, 2026 at 8:53 pm

    Usualy (if not always?) it’s a linker error and it means missing definition. Compilation errors for missing declarations are similar to: “XXX was not declared in this scope.”

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