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Editorial Team
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Asked: 2026-05-31T23:22:57+00:00

I have a program that is written in Ada, and I need to compile

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I have a program that is written in Ada, and I need to compile it. When I do so, I get a “does not contain expected unit” error, and it says it is expecting a spec but found a body. I need it compile it, and I don’t know about Ada. I am using the gnat compiler. and i cant put any code up but i can say that it is a adb file with other ads files in the folder.

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  1. Editorial Team

    The error :

    "does not contain expected unit"

    usually occurs when the name of the unit does not match the file name (package body aaa.bbb needs to be in file aaa-bbb.adb and package aaa.bbb needs to be in aaa-bbb.ads)

    "expecting a spec but found a body"

    probably means you have a mismatch between the contents of the file and the file extension (ads or adb)

    Beyond this i can only upvote the comment by Marc C

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