Save FreeCAD WebAssembly development state

cMake/FreeCAD_Helpers/SetupSalomeSMESH.cmake

@@ -92,7 +92,15 @@ macro(SetupSalomeSMESH)
         if(NOT FREECAD_USE_EXTERNAL_SMESH)
             find_package(MEDFile REQUIRED)
             # See https://www.hdfgroup.org/HDF5/release/cmakebuild.html
-            if (MSVC)
+            if (CMAKE_SYSTEM_NAME STREQUAL "Emscripten" AND HDF5_WASM_INCLUDE_DIRS AND HDF5_WASM_LIBRARIES)
+                # The host pkg-config database must not participate in the
+                # browser closure. MEDFile and SMESH consume the same
+                # Emscripten-built HDF5 archives used by VTK.
+                set(HDF5_INCLUDE_DIRS ${HDF5_WASM_INCLUDE_DIRS})
+                set(HDF5_LIBRARIES ${HDF5_WASM_LIBRARIES})
+                include_directories(${HDF5_WASM_INCLUDE_DIRS})
+                link_libraries(${HDF5_WASM_LIBRARIES})
+            elseif (MSVC)
                 find_package(HDF5 COMPONENTS NO_MODULE REQUIRED static)
             else()
                 find_package(PkgConfig)