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Update top-level Python project for CMake compatibility.

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This commit reimplements the (no longer recommended) setuptools based
build system using a standards-based in-tree PEP517 build backend.
The implementation is partially based on
  https://codeberg.org/ziglang/zig-pypi/src/branch/main/make_wheels.py
which is licensed under BSD-0-clause.

It also adds a new option `YOSYS_BUILD_PYTHON_ONLY` that is available
only if the binary or the library aren't going to be installed, which
turns off these targets entirely, as well as some dependent ones
(e.g. tests).

Co-authored-by: Mohamed Gaber <me@donn.website>
This commit is contained in:
Catherine 2026-05-27 07:58:18 +00:00
parent 780588f28c
commit afc0e78d11
15 changed files with 321 additions and 294 deletions
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6
cmake/FindPyosysEnv.cmake
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@ -4,8 +4,10 @@
# whether the host interpreter has the necessary dependencies first, and if it
# does not, fall back to using `uv`.
foreach (strategy host uv fail)
if (strategy STREQUAL "host")
foreach (strategy virtualenv host uv fail)
if (strategy STREQUAL "virtualenv")
set(PyosysEnv_PYTHON $ENV{VIRTUAL_ENV}/bin/python)
elseif (strategy STREQUAL "host")
set(PyosysEnv_PYTHON ${Python3_EXECUTABLE})
elseif (strategy STREQUAL "uv")
set(PyosysEnv_PYTHON uv run --no-project --with pybind11>3,<4 --with cxxheaderparser python)