Build and install MorphIO via cmake.

This commit checks that MorphIO can be built and installed
into a local directory of our choosing.

.github/workflows/run-tests.yml

@@ -53,3 +53,11 @@ jobs:
           ./ci/python_test.sh
           ./ci/cpp_test.sh
           ./ci/cpp_test.sh "-DMORPHIO_USE_DOUBLE=ON"
+
+      - name: Build and install
+        env:
+          CC: ${{ matrix.compiler.CC }}
+          CXX: ${{ matrix.compiler.CXX }}
+
+        run: |
+          ./ci/local_install_test.sh

ci/local_install_test.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+# This file builds and installs MorphIO to a local directory. 
+
+set -euxo pipefail
+
+BUILD_DIR=build/local_install
+
+if [ $# -ge 1 ]; then
+  EXTRA_OPTIONS=$1
+else
+  EXTRA_OPTIONS=""
+fi
+
+rm -rf $BUILD_DIR
+cmake -DCMAKE_INSTALL_PREFIX=${BUILD_DIR}/install \
+      -DMorphIO_CXX_WARNINGS=ON \
+      -G "${CMAKE_GENERATOR:-Unix Makefiles}" \
+      -B ${BUILD_DIR} ${EXTRA_OPTIONS}
+cmake --build ${BUILD_DIR} --parallel --target install