Update README.md to use the correct cmake version number

LLVM requires at least cmake 3.13.4 and cmake is only required to build
LLVM.

Also closes #42555
This commit is contained in:
Wesley Wiser 2021-03-09 10:59:35 -05:00
parent 3a5d45f68c
commit 52d9792bc8

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@ -31,7 +31,7 @@ by running `./x.py --help` or reading the [rustc dev guide][rustcguidebuild].
* `g++` 5.1 or later or `clang++` 3.5 or later
* `python` 3 or 2.7
* GNU `make` 3.81 or later
* `cmake` 3.4.3 or later
* `cmake` 3.13.4 or later
* `ninja`
* `curl`
* `git`