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Our build scripts invoke `python3` in preference to `python`, so make the
default instruction use `python3`. On many systems (macOS, some Linux),
`python` invokes Python 2 which our scripts do not support.

Suggest --user by default. It's usually the right thing outside of venvs.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2023-03-07 20:40:04 +01:00
parent f4385faa6f
commit 429e90153c
1 changed files with 3 additions and 2 deletions
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README.md
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@ -61,10 +61,11 @@ The source code of Mbed TLS includes some files that are automatically generated
The following tools are required:
* Perl, for some library source files and for Visual Studio build files.
* Python 3 and some Python packages, for some library source files, sample programs and test data. To install the necessary packages, run
* Python 3 and some Python packages, for some library source files, sample programs and test data. To install the necessary packages, run:
```
python -m pip install -r scripts/basic.requirements.txt
python3 -m pip install --user -r scripts/basic.requirements.txt
```
Depending on your Python installation, you may need to invoke `python` instead of `python3`. To install the packages system-wide, omit the `--user` option.
* A C compiler for the host platform, for some test data.
If you are cross-compiling, you must set the `CC` environment variable to a C compiler for the host platform when generating the configuration-independent files.