comparison Applications/StoneWebViewer/WebAssembly/StoneModule/CMakeLists.txt @ 1549:a48ae10857b1

packaging of the WebAssembly module
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 13 Aug 2020 15:56:01 +0200
parents
children c54bc5bffd01
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1548:65eccce95882 1549:a48ae10857b1
1 cmake_minimum_required(VERSION 2.8.3)
2
3 project(OrthancStone)
4
5 set(ORTHANC_STONE_MODULE_PREFIX "${CMAKE_SOURCE_DIR}/../../../../wasm-binaries/OrthancStoneModule" CACHE PATH "Where to find the precompiled WebAssembly module of Orthanc Stone")
6 set(ORTHANC_STONE_INSTALL_PREFIX "${CMAKE_SOURCE_DIR}/../../../../wasm-binaries/StoneWebViewer" CACHE PATH "Where to put the WebAssembly binaries")
7 set(EMSCRIPTEN_TARGET_MODE "wasm" CACHE STRING "Sets the target mode for Emscripten (can be \"wasm\" or \"asm.js\")")
8 mark_as_advanced(EMSCRIPTEN_TARGET_MODE)
9
10
11 set(WASM_FLAGS "-s MAIN_MODULE=1") # Must be before "Compiler.cmake"
12
13 # https://github.com/emscripten-core/emscripten/issues/11407
14 set(WASM_FLAGS "${WASM_FLAGS} -s DEFAULT_LIBRARY_FUNCS_TO_INCLUDE=[\"_emscripten_fetch_xhr\",\"_emscripten_fetch_load_cached_data\",\"_emscripten_fetch_delete_cached_data\",\"_emscripten_fetch_cache_data\"]")
15
16 set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s RUNTIME_LINKED_LIBS='[\"OrthancStoneModule.wasm\"]'")
17
18
19
20 # Configuration of the Emscripten compiler for WebAssembly target
21 # ---------------------------------------------------------------
22 set(USE_WASM ON CACHE BOOL "")
23
24 set(EMSCRIPTEN_SET_LLVM_WASM_BACKEND ON CACHE BOOL "")
25
26 set(WASM_FLAGS "${WASM_FLAGS} -s WASM=1 -s FETCH=1")
27 if (CMAKE_BUILD_TYPE STREQUAL "Debug")
28 set(WASM_FLAGS "${WASM_FLAGS} -s SAFE_HEAP=1")
29 endif()
30
31 set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s EXTRA_EXPORTED_RUNTIME_METHODS='[\"ccall\", \"cwrap\"]'")
32 set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s ERROR_ON_UNDEFINED_SYMBOLS=1")
33 set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s ASSERTIONS=1 -s DISABLE_EXCEPTION_CATCHING=0")
34 set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s ALLOW_MEMORY_GROWTH=1 -s TOTAL_MEMORY=268435456") # 256MB + resize
35 set(WASM_LINKER_FLAGS "${WASM_LINKER_FLAGS} -s DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=1")
36 add_definitions(
37 -DDISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=1
38 )
39
40
41
42 # Stone of Orthanc configuration, to be used as module
43 # ---------------------------------------------------------------
44
45
46 include(${CMAKE_SOURCE_DIR}/../../../../OrthancStone/Resources/Orthanc/CMake/Compiler.cmake)
47
48 add_definitions(
49 -DORTHANC_STONE_MAX_TAG_LENGTH=256 # TODO => share with OrthancStone
50 )
51
52 include_directories(
53 ${ORTHANC_STONE_MODULE_PREFIX}/include
54 ${ORTHANC_STONE_MODULE_PREFIX}/include/orthanc-framework
55 ${ORTHANC_STONE_MODULE_PREFIX}/include/orthanc-stone
56 )
57
58
59
60 ################################################################################
61
62
63 # Create the wrapper to call C++ from JavaScript
64 # ---------------------------------------------------------------
65
66 set(LIBCLANG "libclang-4.0.so.1" CACHE PATH "Version of clang to generate the code model")
67 set(STONE_WRAPPER ${CMAKE_CURRENT_BINARY_DIR}/stone.js)
68
69 add_custom_command(
70 COMMAND
71 ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/../ParseWebAssemblyExports.py --libclang=${LIBCLANG} ${CMAKE_SOURCE_DIR}/../StoneWebViewer.cpp > ${STONE_WRAPPER}
72 DEPENDS
73 ${CMAKE_SOURCE_DIR}/../StoneWebViewer.cpp
74 ${CMAKE_SOURCE_DIR}/../ParseWebAssemblyExports.py
75 OUTPUT
76 ${STONE_WRAPPER}
77 )
78
79 add_custom_target(StoneWrapper
80 DEPENDS
81 ${STONE_WRAPPER}
82 )
83
84
85 # Define the WASM module
86 # ---------------------------------------------------------------
87
88 aux_source_directory(
89 ${ORTHANC_STONE_MODULE_PREFIX}/src/orthanc-stone/
90 ORTHANC_STONE_SOURCES)
91
92 add_executable(StoneWebViewer
93 ${AUTOGENERATED_SOURCES}
94 ${ORTHANC_STONE_SOURCES}
95 ../StoneWebViewer.cpp
96 )
97
98 set_target_properties(StoneWebViewer
99 PROPERTIES
100 COMPILE_FLAGS "${WASM_FLAGS}"
101 LINK_FLAGS "${WASM_LINKER_FLAGS}"
102 )
103
104 # Make sure to have the wrapper generated
105 add_dependencies(StoneWebViewer StoneWrapper)
106
107
108 # Declare installation files for the module
109 # ---------------------------------------------------------------
110
111 install(
112 TARGETS StoneWebViewer
113 RUNTIME DESTINATION ${ORTHANC_STONE_INSTALL_PREFIX}
114 )
115
116
117 # Declare installation files for the companion files (web scaffolding)
118 # please note that ${CMAKE_CURRENT_BINARY_DIR}/StoneWebViewer.js
119 # (the generated JS loader for the WASM module) is handled by the `install`
120 # section above: it is considered to be the binary output of
121 # the linker.
122 # ---------------------------------------------------------------
123 install(
124 FILES
125 ${CMAKE_CURRENT_BINARY_DIR}/StoneWebViewer.wasm
126 ${CMAKE_SOURCE_DIR}/../../WebApplication/app.css
127 ${CMAKE_SOURCE_DIR}/../../WebApplication/app.js
128 ${CMAKE_SOURCE_DIR}/../../WebApplication/index.html
129 ${ORTHANC_STONE_MODULE_PREFIX}/lib/OrthancStoneModule.wasm # NEW
130 ${STONE_WRAPPER}
131 DESTINATION ${ORTHANC_STONE_INSTALL_PREFIX}
132 )
133
134 install(
135 FILES
136 ${CMAKE_SOURCE_DIR}/../../WebApplication/img/grid1x1.png
137 ${CMAKE_SOURCE_DIR}/../../WebApplication/img/grid1x2.png
138 ${CMAKE_SOURCE_DIR}/../../WebApplication/img/grid2x1.png
139 ${CMAKE_SOURCE_DIR}/../../WebApplication/img/grid2x2.png
140 ${CMAKE_SOURCE_DIR}/../../WebApplication/img/loading.gif
141 DESTINATION ${ORTHANC_STONE_INSTALL_PREFIX}/img
142 )