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pyosys: tox for non-wheel builds, update instructions

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- add `tox` to list of dependencies: saves builder(s) from manually having to manage a venv for python build dependencies
  - when building wheels, pip automatically creates the environment with those dependencies, so no need for tox
  - when running simply `make ENABLE_PYOSYS=1`, this is not the case. people attempting to `pip3 install --upgrade pybind11 cxxheaderparser` to add it to their system packages will be met with a scare message about "breaking system packages"
  - tox is available from all major package managers all the way back to ubuntu 20.04 and resolves this issue
- update installation instructions to drop boost and add tox instead
- update ci scripts to use `macos-15[-intel]` (`macos-13` sunset in early december)
This commit is contained in:
Mohamed Gaber 2025-10-18 14:58:56 +03:00
parent b510c36162
commit 2b38a2385c
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10 changed files with 38 additions and 15 deletions
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README.md
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@ -85,8 +85,7 @@ prerequisites for building yosys:
$ sudo apt-get install build-essential clang lld bison flex libfl-dev \
libreadline-dev gawk tcl-dev libffi-dev git \
graphviz xdot pkg-config python3 libboost-system-dev \
libboost-python-dev libboost-filesystem-dev zlib1g-dev
graphviz xdot pkg-config python3-dev tox zlib1g-dev
The environment variable `CXX` can be used to control the C++ compiler used, or
run one of the following to override it: