It's used at build time in 6 crates (of which 1 optionally, 5 directly).

Depender (with downloads and own rev deps) ipp-sys-build-help version
700 5 link-ippcore build ^0.1.2
700 2 link-ippvm build ^0.1.2
700 3 link-ipps build ^0.1.2
700 1 link-ippcv build ^0.1.2
700 1 link-ippi build ^0.1.2