# CMake 3.21 rc-1 | HIP support breaks custom MSVC toolchain

**URL:** https://discourse.cmake.org/t/cmake-3-21-rc-1-hip-support-breaks-custom-msvc-toolchain/3629
**Category:** Development
**Tags:** os:windows, comp:msvc
**Created:** [June 25, 2021, 9:13pm UTC](https://discourse.cmake.org/t/cmake-3-21-rc-1-hip-support-breaks-custom-msvc-toolchain/3629 "2021-06-25T21:13:58Z")
**Posts on this page:** 1
**Showing post:** 4

<div class="post-metadata">

### Author: ![ben.boeckel](https://discourse.cmake.org/letter_avatar_proxy/v4/letter/b/ea5d25/32.png) [@ben.boeckel](https://discourse.cmake.org/u/ben.boeckel)
#### Post date: [June 25, 2021, 9:41pm UTC](https://discourse.cmake.org/t/cmake-3-21-rc-1-hip-support-breaks-custom-msvc-toolchain/3629/4 "2021-06-25T21:41:21Z")

</div>

Hmm. I can’t find the MR(s) right now, but if you do have a chance to bisect, searching for where [CMake 3.21 rc-1 | Threads::Threads not found](https://discourse.cmake.org/t/cmake-3-21-rc-1-threads-threads-not-found/3630) got introduced would also be handy.

---

_[View the full topic](https://discourse.cmake.org/t/cmake-3-21-rc-1-hip-support-breaks-custom-msvc-toolchain/3629)._