diff --git a/CMakeLists.txt b/CMakeLists.txt
index c1684b7..0d6397b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,16 +8,17 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/)
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/)
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY_DEBUG ${CMAKE_BINARY_DIR})
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE ${CMAKE_BINARY_DIR})
+SET(CMAKE_USE_RELATIVE_PATHS OFF)
 
 if(MSVC)
     add_definitions(-D_CRT_SECURE_NO_WARNINGS)
 endif()
 
 if (EMSCRIPTEN)
-  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s USE_GLFW=3 -s ASSERTIONS=1 -s WASM=1 -s INITIAL_MEMORY=268435456 -s FORCE_FILESYSTEM=1 --preload-file ${CMAKE_SOURCE_DIR}/art@art/ --shell-file ${CMAKE_SOURCE_DIR}/web/eco2d.html")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -fdebug-prefix-map=${CMAKE_SOURCE_DIR}=$ENV{ECO2D_SERVER_URL}")
+  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -g -s USE_GLFW=3 --profiling -s ASSERTIONS=1 -s WASM=1 -s INITIAL_MEMORY=268435456 -s FORCE_FILESYSTEM=1 --preload-file ${CMAKE_SOURCE_DIR}/art@art/ --shell-file ${CMAKE_SOURCE_DIR}/web/eco2d.html")
   set(CMAKE_EXECUTABLE_SUFFIX ".html") # This line is used to set your executable to build with the emscripten html template so that you can directly open it.
   set(CMAKE_COMPILE_WARNING_AS_ERROR OFF)
-  set(CMAKE_CXX_)
 endif ()
 
 include_directories(code/common code/vendors code/vendors/flecs)
diff --git a/host_web.sh b/host_web.sh
new file mode 100755
index 0000000..21eefce
--- /dev/null
+++ b/host_web.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+# Run as "source web_host.sh" to set up environment variables
+
+# Prompt for URL
+read -p "Enter URL: " URL
+
+# Expose URL to environment
+export ECO2D_SERVER_URL=${URL/https:\/\//}build_web
+echo ${ECO2D_SERVER_URL}
+
+# Symlink sources
+if [ ! -d "build_web/${ECO2D_SERVER_URL}" ]; then
+    mkdir -p "build_web/${ECO2D_SERVER_URL}"
+    pushd build_web
+    ln -s "/workspaces/eco2d/code" "${ECO2D_SERVER_URL/build_web/}/code"
+    popd
+fi