Hopefully fix manylinux build

python/manylinux/.gitignore

@@ -0,0 +1,2 @@
+/dist/
+!/build/

python/manylinux/Makefile

@@ -0,0 +1,8 @@
+
+.PHONY: all
+all:
+	cd build && ./build.sh
+
+.PHONY: clean
+clean:
+	rm -rf dist

python/manylinux/README.md

@@ -0,0 +1,18 @@
+This directory contains the build stuff needed to build and test manylinux2014
+wheels for distribution through PyPI.
+
+You need docker to do this, then you can just run `make` to build. The wheels
+will end up in the `dist` folder, and will then be tested in a different
+container (also based on manylinux) for all Python versions. Note that
+qxelarator, libqasm, and qisa-assembler are NOT installed in the test
+container, so a bunch of tests are skipped; this can't really be avoided until
+they're appropriately built and published to PyPI as well. Otherwise we'd have
+to replicate that entire process for just the test container, which is insane.
+
+You need to `make clean` manually when any of the sources (other than tests)
+change; there is no dependency detection.
+
+manylinux2014 is used rather than the more compatible versions because OpenQL
+refuses to build on manylinux2010, and I didn't bother trying manylinux1.
+Apparently we're hitting some weird compiler bug on 2010 where two symbols just
+go missing somewhere in the linking process.

python/manylinux/build/Dockerfile

@@ -0,0 +1,16 @@
+# Manylinux version to use.
+ARG MANYLINUX=2014
+FROM quay.io/pypa/manylinux${MANYLINUX}_x86_64
+
+# Max number of parallel processes to use.
+ARG NPROCS=100
+ENV NPROCS ${NPROCS}
+
+# Install auditwheel.
+ARG PYTHON_VERSION=38
+ENV PYBIN /opt/python/cp${PYTHON_VERSION}-cp${PYTHON_VERSION}*/bin
+RUN ${PYBIN}/pip3 install -U pip auditwheel
+
+WORKDIR /src
+
+ADD . .

python/manylinux/build/build.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+set -e
+
+rm -rf ../dist
+mkdir -p ../dist
+docker build --pull -t gerbertools-manylinux ../../.. -f Dockerfile
+docker run -v `pwd`/../dist:/io/dist gerbertools-manylinux python/manylinux/build/helper.sh

python/manylinux/build/helper.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+set -e
+
+if [[ -z "$AUDITWHEEL_PLAT" ]]; then
+    echo "This should only be run inside the container!"
+    exit 1
+fi
+
+set -u
+set -x
+
+for PYDIR in /opt/python/cp3*; do
+    rm -rf pybuild/cbuild/python pybuild/dist
+    "${PYDIR}/bin/python" setup.py bdist_wheel
+    ${PYBIN}/python -m auditwheel repair -w /io/dist pybuild/dist/*.whl
+done

setup.py

@@ -85,6 +85,7 @@ def run(self):
                 ['-DCMAKE_INSTALL_PREFIX=' + prefix_dir]
                 ['-DPYTHON_DIR=' + os.path.dirname(target)]
                 ['-DPYTHON_EXT=' + os.path.basename(target)]
+                ['-DPYTHON_EXECUTABLE=' + sys.executable]
 
                 # Build type can be set using an environment variable.
                 ['-DCMAKE_BUILD_TYPE=' + build_type]