Add note to CHANGELOG.md

Reset LD_LIBARY_PATH when call deactivate.

Fix dynamic_lookup.

CHANGELOG.md

@@ -15,6 +15,12 @@
   Furthermore, flags for either shared library or position independent code
   needs to be used.
 
+- Support for distributing DUNE modules as python packages has been added.
+  Package meta data is parsed in `packagemetadata.py` from the dune.module file.
+  A script `/bin/dunepackaging.py` was added to generate package files
+  (`setup.py`, `pyproject.toml`) that can also be used to upload packages to
+  the Python Package Index.
+
 - Eigenvectors of symmetric 2x2 `FieldMatrix`es are now computed correctly
   even when they have zero eigenvalues.
 

bin/duneactivate

 envpath=`dirname "${BASH_SOURCE[0]}"`
 source $envpath/activate
-export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$VIRTUAL_ENV/lib
+
+_OLD_LD_LIBRARY_PATH="$LD_LIBRARY_PATH"
+LD_LIBRARY_PATH="$VIRTUAL_ENV/lib:$LD_LIBRARY_PATH"
+export LD_LIBRARY_PATH
+
+save_function() {
+    local ORIG_FUNC=$(declare -f $1)
+    local NEWNAME_FUNC="$2${ORIG_FUNC#$1}"
+    eval "$NEWNAME_FUNC"
+}
+
+save_function deactivate old_deactivate
+
+deactivate () {
+  if [ -n "${_OLD_LD_LIBRARY_PATH:-}" ] ; then
+      LD_LIBRARY_PATH="${_OLD_LD_LIBRARY_PATH:-}"
+      export LD_LIBRARY_PATH
+      unset _OLD_LD_LIBRARY_PATH
+  fi
+
+  old_deactivate
+  unset -f old_deactivate
+}

cmake/modules/DuneAddPybind11Module.cmake

@@ -79,7 +79,7 @@ function(dune_add_pybind11_module)
   # https://pybind11.readthedocs.io/en/stable/compiling.html#building-manually
   if (APPLE)
     set_target_properties(${PYBIND11_MODULE_NAME} PROPERTIES SUFFIX ".so")
-    target_link_options(${PYBIND11_MODULE_NAME} PRIVATE "-undefined dynamic_lookup")
+    target_link_options(${PYBIND11_MODULE_NAME} PRIVATE -undefined dynamic_lookup)
   endif()
 
   target_compile_definitions(${PYBIND11_MODULE_NAME} PRIVATE ${PYBIND11_MODULE_COMPILE_DEFINITIONS})