--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Applications/StoneWebViewer/WebAssembly/StoneModule/CMakeLists.txt	Thu Aug 13 15:56:01 2020 +0200
@@ -0,0 +1,142 @@
+cmake_minimum_required(VERSION 2.8.3)
+
+project(OrthancStone)
+
+set(ORTHANC_STONE_MODULE_PREFIX "${CMAKE_SOURCE_DIR}/../../../../wasm-binaries/OrthancStoneModule" CACHE PATH "Where to find the precompiled WebAssembly module of Orthanc Stone")
+set(ORTHANC_STONE_INSTALL_PREFIX "${CMAKE_SOURCE_DIR}/../../../../wasm-binaries/StoneWebViewer" CACHE PATH "Where to put the WebAssembly binaries")
+set(EMSCRIPTEN_TARGET_MODE "wasm" CACHE STRING "Sets the target mode for Emscripten (can be \"wasm\" or \"asm.js\")")
+mark_as_advanced(EMSCRIPTEN_TARGET_MODE)
+
+
+set(WASM_FLAGS "-s MAIN_MODULE=1")  # Must be before "Compiler.cmake"
+
+# https://github.com/emscripten-core/emscripten/issues/11407
+set(WASM_FLAGS "${WASM_FLAGS} -s DEFAULT_LIBRARY_FUNCS_TO_INCLUDE=[\"_emscripten_fetch_xhr\",\"_emscripten_fetch_load_cached_data\",\"_emscripten_fetch_delete_cached_data\",\"_emscripten_fetch_cache_data\"]")
+
+set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s RUNTIME_LINKED_LIBS='[\"OrthancStoneModule.wasm\"]'")
+
+
+
+# Configuration of the Emscripten compiler for WebAssembly target
+# ---------------------------------------------------------------
+set(USE_WASM ON CACHE BOOL "")
+
+set(EMSCRIPTEN_SET_LLVM_WASM_BACKEND ON CACHE BOOL "")
+
+set(WASM_FLAGS "${WASM_FLAGS} -s WASM=1 -s FETCH=1")
+if (CMAKE_BUILD_TYPE STREQUAL "Debug")
+  set(WASM_FLAGS "${WASM_FLAGS} -s SAFE_HEAP=1")
+endif()
+
+set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s EXTRA_EXPORTED_RUNTIME_METHODS='[\"ccall\", \"cwrap\"]'")
+set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s ERROR_ON_UNDEFINED_SYMBOLS=1")
+set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s ASSERTIONS=1 -s DISABLE_EXCEPTION_CATCHING=0")
+set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s ALLOW_MEMORY_GROWTH=1 -s TOTAL_MEMORY=268435456")  # 256MB + resize
+set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=1")
+add_definitions(
+  -DDISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=1
+)
+
+
+
+# Stone of Orthanc configuration, to be used as module
+# ---------------------------------------------------------------
+
+
+include(${CMAKE_SOURCE_DIR}/../../../../OrthancStone/Resources/Orthanc/CMake/Compiler.cmake)
+
+add_definitions(
+  -DORTHANC_STONE_MAX_TAG_LENGTH=256  # TODO => share with OrthancStone
+  )
+
+include_directories(
+  ${ORTHANC_STONE_MODULE_PREFIX}/include
+  ${ORTHANC_STONE_MODULE_PREFIX}/include/orthanc-framework
+  ${ORTHANC_STONE_MODULE_PREFIX}/include/orthanc-stone
+  )
+
+
+
+################################################################################
+
+
+# Create the wrapper to call C++ from JavaScript
+# ---------------------------------------------------------------
+
+set(LIBCLANG "libclang-4.0.so.1" CACHE PATH "Version of clang to generate the code model")
+set(STONE_WRAPPER ${CMAKE_CURRENT_BINARY_DIR}/stone.js)
+
+add_custom_command(
+  COMMAND
+  ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/../ParseWebAssemblyExports.py --libclang=${LIBCLANG} ${CMAKE_SOURCE_DIR}/../StoneWebViewer.cpp > ${STONE_WRAPPER}
+  DEPENDS
+  ${CMAKE_SOURCE_DIR}/../StoneWebViewer.cpp
+  ${CMAKE_SOURCE_DIR}/../ParseWebAssemblyExports.py
+  OUTPUT
+  ${STONE_WRAPPER}
+  )
+
+add_custom_target(StoneWrapper
+  DEPENDS
+  ${STONE_WRAPPER}
+  )  
+
+
+# Define the WASM module
+# ---------------------------------------------------------------
+
+aux_source_directory(
+  ${ORTHANC_STONE_MODULE_PREFIX}/src/orthanc-stone/
+  ORTHANC_STONE_SOURCES)
+
+add_executable(StoneWebViewer
+  ${AUTOGENERATED_SOURCES}
+  ${ORTHANC_STONE_SOURCES}
+  ../StoneWebViewer.cpp
+  )
+
+set_target_properties(StoneWebViewer
+  PROPERTIES
+  COMPILE_FLAGS "${WASM_FLAGS}"
+  LINK_FLAGS "${WASM_LINKER_FLAGS}"
+  )
+
+# Make sure to have the wrapper generated
+add_dependencies(StoneWebViewer StoneWrapper)
+
+
+# Declare installation files for the module
+# ---------------------------------------------------------------
+
+install(
+  TARGETS StoneWebViewer
+  RUNTIME DESTINATION ${ORTHANC_STONE_INSTALL_PREFIX}
+  )
+
+
+# Declare installation files for the companion files (web scaffolding)
+# please note that ${CMAKE_CURRENT_BINARY_DIR}/StoneWebViewer.js
+# (the generated JS loader for the WASM module) is handled by the `install`
+# section above: it is considered to be the binary output of 
+# the linker.
+# ---------------------------------------------------------------
+install(
+  FILES
+  ${CMAKE_CURRENT_BINARY_DIR}/StoneWebViewer.wasm
+  ${CMAKE_SOURCE_DIR}/../../WebApplication/app.css
+  ${CMAKE_SOURCE_DIR}/../../WebApplication/app.js
+  ${CMAKE_SOURCE_DIR}/../../WebApplication/index.html
+  ${ORTHANC_STONE_MODULE_PREFIX}/lib/OrthancStoneModule.wasm  # NEW
+  ${STONE_WRAPPER}
+  DESTINATION ${ORTHANC_STONE_INSTALL_PREFIX}
+  )
+
+install(
+  FILES
+  ${CMAKE_SOURCE_DIR}/../../WebApplication/img/grid1x1.png
+  ${CMAKE_SOURCE_DIR}/../../WebApplication/img/grid1x2.png
+  ${CMAKE_SOURCE_DIR}/../../WebApplication/img/grid2x1.png
+  ${CMAKE_SOURCE_DIR}/../../WebApplication/img/grid2x2.png
+  ${CMAKE_SOURCE_DIR}/../../WebApplication/img/loading.gif
+  DESTINATION ${ORTHANC_STONE_INSTALL_PREFIX}/img
+  )