yosys/.github/workflows/wheels/cibw_before_all.sh

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#!/bin/bash
set -e -x
# Build-time dependencies
## Linux Docker Images
if command -v yum &> /dev/null; then
yum install -y flex # manylinux's bison versions are hopelessly out of date
fi
if command -v apk &> /dev/null; then
apk add flex bison
fi
if ! printf '%s\n' '%require "3.8"' '%%' 'start: ;' | bison -o /dev/null /dev/stdin ; then
(
set -e -x
cd bison
./configure
make clean
make install -j$(getconf _NPROCESSORS_ONLN 2>/dev/null || sysctl -n hw.ncpu)
)
fi
## macOS/Windows -- installed in GitHub Action itself, not container
# Runtime Dependencies
## Build Static FFI (platform-dependent but not Python version dependent)
(
set -e -x
cd ffi
## Ultimate libyosys.so will be shared, so we need fPIC for the static libraries
CFLAGS=-fPIC CXXFLAGS=-fPIC ./configure --prefix=$PWD/pfx
make clean
make install -j$(getconf _NPROCESSORS_ONLN 2>/dev/null || sysctl -n hw.ncpu)
## Forces static library to be used in all situations
sed -i.bak 's@-L${toolexeclibdir} -lffi@${toolexeclibdir}/libffi.a@' ./pfx/lib/pkgconfig/libffi.pc
)