diff Platforms/WebAssembly/CMakeLists.txt @ 114:3541fc81331a wasm

starting WebAssembly
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 20 Sep 2017 16:11:52 +0200
parents
children f598ffb81cda
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Platforms/WebAssembly/CMakeLists.txt	Wed Sep 20 16:11:52 2017 +0200
@@ -0,0 +1,41 @@
+# Usage:
+# cmake -DCMAKE_TOOLCHAIN_FILE=~/Downloads/emsdk/emscripten/incoming/cmake/Modules/Platform/Emscripten.cmake ~/Subversion/orthanc-stone/Platforms/WebAssembly
+
+
+cmake_minimum_required(VERSION 2.8.3)
+
+
+#####################################################################
+## Configuration of Emscripten for WebAssembly target
+#####################################################################
+
+set(WASM_FLAGS "-s WASM=1")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WASM_FLAGS}")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WASM_FLAGS}")
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --js-library ${CMAKE_SOURCE_DIR}/library.js")
+
+# Handling of memory
+#set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s ALLOW_MEMORY_GROWTH=1")  # Resize
+#set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s TOTAL_MEMORY=536870912")  # 512MB
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s ALLOW_MEMORY_GROWTH=1 -s TOTAL_MEMORY=536870912")  # 512MB + resize
+#set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s ALLOW_MEMORY_GROWTH=1 -s TOTAL_MEMORY=1073741824")  # 1GB + resize
+
+# To debug exceptions
+#set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s DEMANGLE_SUPPORT=1 -s ASSERTIONS=2")
+
+
+
+#####################################################################
+## Build a static library containing the Orthanc Stone framework
+#####################################################################
+
+SET(STONE_SANDBOXED ON)
+include(../../Resources/CMake/OrthancStone.cmake)
+add_library(OrthancStone STATIC ${ORTHANC_STONE_SOURCES})
+
+# Regenerate a dummy "library.c" file each time the "library.js" file
+# is modified, so as to force a new execution of the linking
+add_custom_command(
+    OUTPUT "${AUTOGENERATED_DIR}/library.c"
+    COMMAND ${CMAKE_COMMAND} -E touch "${AUTOGENERATED_DIR}/library.c" ""
+    DEPENDS "${CMAKE_SOURCE_DIR}/library.js")