diff --git a/libsrc/core/CMakeLists.txt b/libsrc/core/CMakeLists.txt
index c43a79ab..46a2230b 100644
--- a/libsrc/core/CMakeLists.txt
+++ b/libsrc/core/CMakeLists.txt
@@ -29,6 +29,7 @@ install(TARGETS ngcore DESTINATION ${NG_INSTALL_DIR} COMPONENT netgen)
 if(USE_PYTHON)
   target_compile_definitions(ngcore PUBLIC NETGEN_PYTHON)
   target_include_directories(ngcore PUBLIC ${PYTHON_INCLUDE_DIRS})
+  target_link_libraries(ngcore PUBLIC ${PYTHON_LIBRARIES})
 endif(USE_PYTHON)
 
 install(FILES ngcore.hpp archive.hpp type_traits.hpp version.hpp ngcore_api.hpp logging.hpp
@@ -41,7 +42,7 @@ endif(ENABLE_CPP_CORE_GUIDELINES_CHECK)
 
 if(USE_PYTHON)
   pybind11_add_module(pyngcore SHARED python_ngcore.cpp)
-  target_link_libraries(pyngcore PUBLIC ngcore)
+  target_link_libraries(pyngcore PUBLIC ngcore ${PYTHON_LIBRARIES})
   set_target_properties(pyngcore PROPERTIES INSTALL_RPATH "${NG_RPATH_TOKEN}/${NETGEN_PYTHON_RPATH}")
   install(TARGETS pyngcore DESTINATION ${NG_INSTALL_DIR_PYTHON} COMPONENT netgen)
 endif(USE_PYTHON)
diff --git a/libsrc/core/archive.hpp b/libsrc/core/archive.hpp
index 2848b8f1..6a4a0792 100644
--- a/libsrc/core/archive.hpp
+++ b/libsrc/core/archive.hpp
@@ -943,7 +943,7 @@ namespace ngcore
   };
 
   template<typename T, typename T_ARCHIVE_OUT=BinaryOutArchive, typename T_ARCHIVE_IN=BinaryInArchive>
-  NGCORE_API auto NGSPickle()
+  auto NGSPickle()
   {
     return pybind11::pickle([](T* self)
                       {
diff --git a/libsrc/core/symboltable.hpp b/libsrc/core/symboltable.hpp
index 582a7a37..fdab713c 100644
--- a/libsrc/core/symboltable.hpp
+++ b/libsrc/core/symboltable.hpp
@@ -19,7 +19,7 @@ namespace ngcore
       Complexity by name access is linear, by index is constant.
   */
   template <class T>
-  class NGCORE_API SymbolTable
+  class SymbolTable
   {
     std::vector<std::string> names;
     std::vector<T> data;
diff --git a/libsrc/core/utils.cpp b/libsrc/core/utils.cpp
index ae831447..82fcfb31 100644
--- a/libsrc/core/utils.cpp
+++ b/libsrc/core/utils.cpp
@@ -16,6 +16,7 @@ namespace ngcore
                                                                                       nullptr,
                                                                                       nullptr,
                                                                                       &status); }
+#endif
 
   double ticks_per_second = [] () noexcept
   {
@@ -36,5 +37,3 @@ namespace ngcore
 
 } // namespace ngcore
 
-#endif
-
diff --git a/libsrc/geom2d/CMakeLists.txt b/libsrc/geom2d/CMakeLists.txt
index 754c79fb..26d0db92 100644
--- a/libsrc/geom2d/CMakeLists.txt
+++ b/libsrc/geom2d/CMakeLists.txt
@@ -9,6 +9,8 @@ if(NOT WIN32)
     install( TARGETS geom2d ${NG_INSTALL_DIR})
 endif(NOT WIN32)
 
+target_link_libraries(geom2d ngcore)
+
 if(USE_GUI)
     add_library(geom2dvis ${NG_LIB_TYPE} vsgeom2d.cpp)
     if(NOT WIN32)
diff --git a/libsrc/occ/CMakeLists.txt b/libsrc/occ/CMakeLists.txt
index a244e85b..1f093ad8 100644
--- a/libsrc/occ/CMakeLists.txt
+++ b/libsrc/occ/CMakeLists.txt
@@ -8,11 +8,13 @@ if(USE_GUI)
         add_library(occvis ${NG_LIB_TYPE} vsocc.cpp)
 endif(USE_GUI)
 
+target_link_libraries(occ PUBLIC ngcore)
+
 if(NOT WIN32)
-    target_link_libraries( occ ngcore ${OCC_LIBRARIES} ${PYTHON_LIBRARIES})
+    target_link_libraries( occ PUBLIC ${OCC_LIBRARIES} ${PYTHON_LIBRARIES})
     install( TARGETS occ ${NG_INSTALL_DIR})
     if (USE_GUI)
-        target_link_libraries( occvis occ )
+        target_link_libraries( occvis PUBLIC occ )
         install( TARGETS occvis ${NG_INSTALL_DIR})
     endif(USE_GUI)
 endif(NOT WIN32)
diff --git a/libsrc/stlgeom/CMakeLists.txt b/libsrc/stlgeom/CMakeLists.txt
index 7b87a649..8925c828 100644
--- a/libsrc/stlgeom/CMakeLists.txt
+++ b/libsrc/stlgeom/CMakeLists.txt
@@ -4,10 +4,13 @@ add_library(stl ${NG_LIB_TYPE}
         )
 
 if(NOT WIN32)
-    target_link_libraries( stl ngcore mesh ${PYTHON_LIBRARIES})
+    target_link_libraries( stl mesh ${PYTHON_LIBRARIES})
     install( TARGETS stl ${NG_INSTALL_DIR})
 endif(NOT WIN32)
 
+target_link_libraries( stl ngcore )
+
+
 if(USE_GUI)
     add_library(stlvis ${NG_LIB_TYPE}
             vsstl.cpp
diff --git a/nglib/CMakeLists.txt b/nglib/CMakeLists.txt
index 5f705c8c..7253230a 100644
--- a/nglib/CMakeLists.txt
+++ b/nglib/CMakeLists.txt
@@ -29,7 +29,8 @@ if(NOT WIN32)
       endif(USE_GUI)
 endif(NOT WIN32)
 
-target_link_libraries(nglib PRIVATE gen la gprim PUBLIC ngcore)
+# target_link_libraries(nglib PRIVATE gen la gprim PUBLIC ngcore)
+target_link_libraries(nglib PUBLIC ngcore)
 
 target_link_libraries( nglib PRIVATE ${OCC_LIBRARIES} ${MPI_CXX_LIBRARIES} ${OPENGL_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${X11_Xmu_LIB} ${JPEG_LIBRARIES} ${MKL_LIBRARIES} ${ZLIB_LIBRARIES} ${OCC_LIBRARIES} )