diff --git a/pagelayout_editor/CMakeLists.txt b/pagelayout_editor/CMakeLists.txt
index f287e5368a..dfc01a9b9c 100644
--- a/pagelayout_editor/CMakeLists.txt
+++ b/pagelayout_editor/CMakeLists.txt
@@ -77,55 +77,103 @@ add_executable( pl_editor WIN32 MACOSX_BUNDLE
     ${PL_EDITOR_RESOURCES}
     )
 
-set_source_files_properties( ${CMAKE_SOURCE_DIR}/common/single_top.cpp PROPERTIES
-    COMPILE_DEFINITIONS "TOP_FRAME=FRAME_PL_EDITOR;PGM_DATA_FILE_EXT=\"kicad_wks\";BUILD_KIWAY_DLL"
-    )
-target_link_libraries( pl_editor
-    kicommon
-    ${wxWidgets_LIBRARIES}
-    )
+if( EMSCRIPTEN )
+    # WASM: Static kiface linking - don't define BUILD_KIWAY_DLL
+    set_source_files_properties( ${CMAKE_SOURCE_DIR}/common/single_top.cpp PROPERTIES
+        COMPILE_DEFINITIONS "TOP_FRAME=FRAME_PL_EDITOR;PGM_DATA_FILE_EXT=\"kicad_wks\""
+        )
+else()
+    set_source_files_properties( ${CMAKE_SOURCE_DIR}/common/single_top.cpp PROPERTIES
+        COMPILE_DEFINITIONS "TOP_FRAME=FRAME_PL_EDITOR;PGM_DATA_FILE_EXT=\"kicad_wks\";BUILD_KIWAY_DLL"
+        )
+endif()
+
+if( NOT EMSCRIPTEN )
+    # Native: minimal link, kiface loaded dynamically
+    target_link_libraries( pl_editor
+        kicommon
+        ${wxWidgets_LIBRARIES}
+        )
+endif()
+# WASM linking is done after PL_EDITOR_KIFACE_LIBRARIES is defined
 
 target_link_options( pl_editor PRIVATE
     $<$<BOOL:${KICAD_MAKE_LINK_MAPS}>:-Wl,--cref,-Map=pl_editor.map>
     )
 
-# the main pl_editor program, in DSO form.
-add_library( pl_editor_kiface MODULE
+# the main pl_editor program, in OBJECT form so it can be statically linked on WASM.
+add_library( pl_editor_kiface_objects OBJECT
     pl_editor.cpp
     ${PL_EDITOR_SRCS}
     ${DIALOGS_SRCS}
     ${PL_EDITOR_EXTRA_SRCS}
     )
-target_link_libraries( pl_editor_kiface
-    gal
-    common
-    core
-    ${wxWidgets_LIBRARIES}
+
+target_link_libraries( pl_editor_kiface_objects
+    PRIVATE
+        common
+        core
+        ${wxWidgets_LIBRARIES}
     )
+
+add_library( pl_editor_kiface MODULE )
+
 set_target_properties( pl_editor_kiface PROPERTIES
     OUTPUT_NAME     pl_editor
     PREFIX          ${KIFACE_PREFIX}
     SUFFIX          ${KIFACE_SUFFIX}
     )
 
-set_source_files_properties( pl_editor.cpp PROPERTIES
-    # The KIFACE is in pcbnew.cpp, export it:
-    COMPILE_DEFINITIONS     "BUILD_KIWAY_DLL;COMPILING_DLL"
-    )
+if( EMSCRIPTEN )
+    # WASM: Static linking - don't define BUILD_KIWAY_DLL
+    set_source_files_properties( pl_editor.cpp PROPERTIES
+        COMPILE_DEFINITIONS     "COMPILING_DLL"
+        )
+else()
+    set_source_files_properties( pl_editor.cpp PROPERTIES
+        # The KIFACE is in pl_editor.cpp, export it:
+        COMPILE_DEFINITIONS     "BUILD_KIWAY_DLL;COMPILING_DLL"
+        )
+endif()
 
 target_link_options( pl_editor_kiface PRIVATE
     $<$<BOOL:${KICAD_MAKE_LINK_MAPS}>:-Wl,--cref,-Map=_pl_editor.kiface.map>
     )
 
-# if building pl_editor, then also build pl_editor_kiface if out of date.
-add_dependencies( pl_editor pl_editor_kiface )
-
 message( STATUS "Including 3Dconnexion SpaceMouse navigation support in pagelayout editor" )
 add_subdirectory( navlib )
 
-target_link_libraries( pl_editor_kiface pl_editor_navlib)
+set( PL_EDITOR_KIFACE_LIBRARIES
+    pl_editor_kiface_objects
+    pl_editor_navlib
+    kicommon
+    kiplatform
+    common
+    gal
+    core
+    ${wxWidgets_LIBRARIES}
+    )
+
+# WASM: Link kiface objects directly into pl_editor executable (static linking)
+if( EMSCRIPTEN )
+    target_link_libraries( pl_editor
+        PRIVATE
+            ${PL_EDITOR_KIFACE_LIBRARIES}
+        )
+    target_link_options( pl_editor PRIVATE
+        "LINKER:--allow-multiple-definition"
+        )
+endif()
+
+target_link_libraries( pl_editor_kiface
+    PRIVATE
+        ${PL_EDITOR_KIFACE_LIBRARIES}
+    )
+
+# if building pl_editor, then also build pl_editor_kiface if out of date.
+add_dependencies( pl_editor pl_editor_kiface )
 
-add_dependencies( pl_editor_kiface pl_editor_navlib)
+add_dependencies( pl_editor_kiface pl_editor_navlib )
 
 # these 2 binaries are a matched set, keep them together:
 if( APPLE )
diff --git a/pagelayout_editor/navlib/CMakeLists.txt b/pagelayout_editor/navlib/CMakeLists.txt
index ad3c388736..89e94e6abb 100644
--- a/pagelayout_editor/navlib/CMakeLists.txt
+++ b/pagelayout_editor/navlib/CMakeLists.txt
@@ -1,25 +1,36 @@
 
-add_library(pl_editor_navlib STATIC
-    "nl_pl_editor_plugin.cpp"
-    "nl_pl_editor_plugin_impl.cpp"
-)
+# WASM: 3D mouse support not available, use stubs
+if( EMSCRIPTEN )
+    add_library(pl_editor_navlib STATIC
+        "${CMAKE_SOURCE_DIR}/../wasm/stubs/nl_pl_editor_plugin_stub.cpp"
+    )
+    target_include_directories(pl_editor_navlib PRIVATE
+        ${CMAKE_SOURCE_DIR}/pagelayout_editor
+        ${CMAKE_SOURCE_DIR}/include
+    )
+else()
+    add_library(pl_editor_navlib STATIC
+        "nl_pl_editor_plugin.cpp"
+        "nl_pl_editor_plugin_impl.cpp"
+    )
 
-# pl_editor_navlib depends on make_lexer outputs in common
-add_dependencies( pl_editor_navlib common )
+    # pl_editor_navlib depends on make_lexer outputs in common
+    add_dependencies( pl_editor_navlib common )
 
-# Find the 3DxWare SDK component 3DxWare::NlClient
-# find_package(TDxWare_SDK 4.0 REQUIRED COMPONENTS 3DxWare::Navlib)
-target_compile_definitions(pl_editor_navlib PRIVATE
-    $<TARGET_PROPERTY:3DxWare::Navlib,INTERFACE_COMPILE_DEFINITIONS>
-)
-target_compile_options(pl_editor_navlib PRIVATE
-    $<TARGET_PROPERTY:3DxWare::Navlib,INTERFACE_COMPILE_OPTIONS>
-)
-target_include_directories(pl_editor_navlib PRIVATE
-    $<TARGET_PROPERTY:3DxWare::Navlib,INTERFACE_INCLUDE_DIRECTORIES>
-    $<TARGET_PROPERTY:pl_editor_kiface,INCLUDE_DIRECTORIES>
-)
-target_link_libraries(pl_editor_navlib
-    $<TARGET_PROPERTY:3DxWare::Navlib,INTERFACE_LINK_LIBRARIES>
-    3DxWare::Navlib
-)
+    # Find the 3DxWare SDK component 3DxWare::NlClient
+    # find_package(TDxWare_SDK 4.0 REQUIRED COMPONENTS 3DxWare::Navlib)
+    target_compile_definitions(pl_editor_navlib PRIVATE
+        $<TARGET_PROPERTY:3DxWare::Navlib,INTERFACE_COMPILE_DEFINITIONS>
+    )
+    target_compile_options(pl_editor_navlib PRIVATE
+        $<TARGET_PROPERTY:3DxWare::Navlib,INTERFACE_COMPILE_OPTIONS>
+    )
+    target_include_directories(pl_editor_navlib PRIVATE
+        $<TARGET_PROPERTY:3DxWare::Navlib,INTERFACE_INCLUDE_DIRECTORIES>
+        $<TARGET_PROPERTY:pl_editor_kiface,INCLUDE_DIRECTORIES>
+    )
+    target_link_libraries(pl_editor_navlib
+        $<TARGET_PROPERTY:3DxWare::Navlib,INTERFACE_LINK_LIBRARIES>
+        3DxWare::Navlib
+    )
+endif()