Add test, shell for windows

.github/workflows/wheels/_run_cibw_linux.py

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+#!/usr/bin/env python3
+# Copyright (C) 2024 Efabless Corporation
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+"""
+This runs the cibuildwheel step from the wheels workflow locally.
+"""
+
+import os
+import yaml
+import platform
+import subprocess
+
+__dir__ = os.path.dirname(os.path.abspath(__file__))
+
+
+workflow = yaml.safe_load(open(os.path.join(os.path.dirname(__dir__), "wheels.yml")))
+
+env = os.environ.copy()
+
+steps = workflow["jobs"]["build_wheels"]["steps"]
+cibw_step = None
+for step in steps:
+    if (step.get("uses") or "").startswith("pypa/cibuildwheel"):
+        cibw_step = step
+        break
+
+for key, value in cibw_step["env"].items():
+    if key.endswith("WIN") or key.endswith("MAC"):
+        continue
+    env[key] = value
+
+env["CIBW_ARCHS"] = os.getenv("CIBW_ARCHS") or platform.machine()
+subprocess.check_call(["cibuildwheel"], env=env)

.github/workflows/wheels/cibw_before_all.sh

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+set -e
+set -x
+
+# Build-time dependencies
+## Linux Docker Images
+if command -v yum &> /dev/null; then
+    yum install -y flex bison
+fi
+
+if command -v apk &> /dev/null; then
+    apk add flex bison
+fi
+
+## macOS/Windows -- installed in GitHub Action itself, not container
+
+# Build Static FFI (platform-dependent but not Python version dependent)
+cd ffi
+## Ultimate libyosys.so will be shared, so we need fPIC for the static libraries
+CFLAGS=-fPIC CXXFLAGS=-fPIC ./configure --prefix=$PWD/pfx
+## Without this, SHELL has a space in its path which breaks the makefile
+make install -j$(getconf _NPROCESSORS_ONLN 2>/dev/null || sysctl -n hw.ncpu) SHELL=bash
+## Forces static library to be used in all situations
+sed -i.bak 's@-L${toolexeclibdir} -lffi@${toolexeclibdir}/libffi.a@' ./pfx/lib/pkgconfig/libffi.pc

.github/workflows/wheels/cibw_before_build.sh

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+set -e
+set -x
+
+# Don't use objects from previous compiles on Windows/macOS
+make clean
+
+# DEBUG: show python3 and python3-config outputs
+python3 --version
+python3-config --includes
+
+# Build boost
+cd ./boost
+## Delete the artefacts from previous builds (if any)
+rm -rf ./pfx
+## Bootstrap bjam
+./bootstrap.sh --prefix=./pfx
+## Build Boost against current version of Python, only for
+## static linkage (Boost is statically linked because system boost packages
+## wildly vary in versions, including the libboost_python3 version)
+./b2\
+    -j$(getconf _NPROCESSORS_ONLN 2>/dev/null || sysctl -n hw.ncpu)\
+    --prefix=./pfx\
+    --with-filesystem\
+    --with-system\
+    --with-python\
+    cxxflags="$(python3-config --includes) -std=c++17 -fPIC"\
+    cflags="$(python3-config --includes) -fPIC"\
+    link=static\
+    variant=release\
+    install