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Editorial Team
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Editorial Team
Asked: May 12, 20262026-05-12T17:47:38+00:00 2026-05-12T17:47:38+00:00

I am porting a program to AIX which takes use of hash_map in many

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I am porting a program to AIX which takes use of hash_map in many places.

For linux and solaris hash_map is included in _gnu_cxx package and stlport.

However, I can’t find hash_map on AIX platform. Anybody know?
Btw, I have to use IBM compiler /usr/vacpp/bin/xlC.

Thanks.

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  1. Editorial Team
    Editorial Team
    2026-05-12T17:47:39+00:00Added an answer on May 12, 2026 at 5:47 pm

    I think you want <unordered_map> on the AIX xlC compiler. That’s because <hash_map> is a gcc extension.

    You’ll need to change your code to use the different name (or do some jiggery-pokery with a translation layer).

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