cargo build freezes when building opencv-rust

Question

It's been stuck on Building [=======================> ] 753/758: opencv(build) for a couple of days now. I'm on ubuntu 22.04. Rust version is

rustc 1.72.0 (5680fa18f 2023-08-23) binary: rustc commit-hash: 5680fa18feaa87f3ff04063800aec256c3d4b4be commit-date: 2023-08-23 host: x86_64-unknown-linux-gnu release: 1.72.0 LLVM version: 16.0.5

I'm using opencv-rust version 0.83.0

libopencv-dev, libclang-dev, clang are already installed. I am fairly new to rust and don't have much context on how to debug this. Any help is appreciated

Thanks in advance!

Probably, it is because of github.com/twistedfall/opencv-rust/issues/480 — Dmitry
– Dmitry, Commented Jan 4, 2024 at 9:09
Usually the underlying problem in similar cases is that the .package-cache file was not deleted. — Kaplan
– Kaplan, Commented Jan 6, 2024 at 10:45

Istvan · Accepted Answer · 2024-01-05 08:48:11Z

Probably fixed by this, based on the limited information provided:

[patch.crates-io] cc = { git = "https://github.com/rust-lang/cc-rs.git", version = "1.0", tag = "1.0.79" }

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