# Build failure on macos (zstd-seekable, \_IO\_FILE)

**URL:** <https://discourse.pijul.org/t/build-failure-on-macos-zstd-seekable-io-file/577>\
**Category:** Question\
**Created:** [November 7, 2020, 1:47pm UTC](https://discourse.pijul.org/t/build-failure-on-macos-zstd-seekable-io-file/577 "2020-11-07T13:47:54Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![emily](https://avatars.discourse-cdn.com/v4/letter/e/8c91f0/32.png) [@emily](https://discourse.pijul.org/u/emily)\
**Post date:** [November 7, 2020, 7:40pm UTC](https://discourse.pijul.org/t/build-failure-on-macos-zstd-seekable-io-file/577/2 "2020-11-07T19:40:33Z")

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I got it working by downloading the source code from [https://static.crates.io/crates/anu/anu-1.0.0-alpha.crate](https://static.crates.io/crates/anu/anu-1.0.0-alpha.crate), then running `cargo vendor`, and editing the relevant line in zstd-seekable. I think there was also a checksum that needed to be deleted.

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_[View the full topic](https://discourse.pijul.org/t/build-failure-on-macos-zstd-seekable-io-file/577)._