include libquip.a as well

Author: jameskermode

.github/workflows/prepare-wheel-build.sh

@@ -43,9 +43,10 @@ fi
 cp ${BUILDDIR}/../../README.md ${BUILDDIR}
 cp ${BUILDDIR}/../../quippy/setup.py ${BUILDDIR}
 
-# include `quip` and `gap_fit` command line tools
+# include `quip` and `gap_fit` command line tools and `libquip.a`
 cp ${BUILDDIR}/quip ${BUILDDIR}/quippy
 cp ${BUILDDIR}/gap_fit ${BUILDDIR}/quippy/
+cp ${BUILDDIR}/libquip.a ${BUILDDIR}/quippy/
 
 # Python build dependencies
 pip install oldest-supported-numpy