🩹 make sure mqt-qcec can find the mqt-core libraries at runtime

Signed-off-by: burgholzer <burgholzer@me.com>

Author: burgholzer

src/python/CMakeLists.txt

@@ -1,3 +1,22 @@
+if(APPLE)
+  set(BASEPOINT @loader_path)
+else()
+  set(BASEPOINT $ORIGIN)
+endif()
+list(APPEND CMAKE_INSTALL_RPATH ${BASEPOINT}
+     ${BASEPOINT}/${CMAKE_INSTALL_LIBDIR})
+set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
+list(
+  APPEND
+  CMAKE_INSTALL_RPATH
+  ${BASEPOINT}/../core/${CMAKE_INSTALL_LIBDIR}
+  ${BASEPOINT}/../core/lib
+  ${BASEPOINT}/../core/lib64
+  ${BASEPOINT}/../../core/${CMAKE_INSTALL_LIBDIR}
+  ${BASEPOINT}/../../core/lib
+  ${BASEPOINT}/../../core/lib64)
+
 pybind11_add_module(
   pyqcec
   # Prefer thin LTO if available