Make the wheel installation a part of the wheel build to make sure th…

…at the wheel was correctly built.

Makefile

@@ -57,8 +57,15 @@ wheel_%: dist/lupa-$(VERSION).tar.gz
 		-e LUPA_USE_BUNDLE=$(USE_BUNDLE) \
 		-e WHEELHOUSE=wheelhouse_$(subst wheel_,,$@) \
 		quay.io/pypa/$(subst wheel_,,$@) \
-		bash -c 'for PYBIN in /opt/python/$(PYTHON_BUILD_VERSION)/bin; do \
-		    $$PYBIN/python -V; \
-		    { time $$PYBIN/pip wheel -v -w /io/$$WHEELHOUSE /io/$< & } ; \
-		    done; wait; \
-		    for whl in /io/$$WHEELHOUSE/lupa-$(VERSION)-*-linux_*.whl; do auditwheel repair $$whl -w /io/$$WHEELHOUSE; done'
+		bash -c 'echo "Python versions: $$(ls /opt/python/ | xargs -n 100 echo)" ; \
+			for PYBIN in /opt/python/$(PYTHON_BUILD_VERSION)/bin; do \
+				$$PYBIN/python -V; \
+				{ time $$PYBIN/pip wheel -v -w /io/$$WHEELHOUSE /io/$< & } ; \
+			done; wait; \
+			for whl in /io/$$WHEELHOUSE/lupa-$(VERSION)-*-linux_*.whl; do auditwheel repair $$whl -w /io/$$WHEELHOUSE; done; \
+			for whl in /io/$$WHEELHOUSE/lupa-$(VERSION)-*-m*linux*.whl; do \
+				pyver=$${whl#*/lupa-$(VERSION)-}; pyver=$${pyver%%-m*}; \
+				echo "Installing in $${pyver}: $${whl}"; \
+				/opt/python/$${pyver}/bin/python -m pip install -U $${whl} && /opt/python/$${pyver}/bin/python -c "import lupa" || exit 1; \
+				/opt/python/$${pyver}/bin/python -m pip uninstall -y lupa; \
+			done; true'