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annotate Applications/StoneWebViewer/WebAssembly/NOTES.txt @ 2001:e943a84da9ac

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creation of text annotations
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 02 Nov 2022 14:56:35 +0100
parents 18384efed33d
children
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1
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2 Building WebAssembly samples using Docker
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3 =========================================
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4
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5 The script "./docker-build.sh" can be used to quickly build the
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6 WebAssembly samples on any GNU/Linux distribution equipped with
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7 Docker. This avoids newcomers to install Emscripten and learn the
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8 CMake options. Just type:
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9
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10 $ ./docker-build.sh Release
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11
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12 After successful build, the binaries will be installed in the
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13 following folder (i.e. in the folder "wasm-binaries" at the root of
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14 the source distribution):
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15
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16 $ ls -l ../../wasm-binaries
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18
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19 NB: The source code of the Docker build environment can be found at
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20 the following location:
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21 https://github.com/jodogne/OrthancDocker/tree/master/wasm-builder
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23
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24 Native compilation (without Docker)
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25 ===================================
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26
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27 Install Emscripten:
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28 https://emscripten.org/docs/getting_started/downloads.html
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29
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30 Then, if the installation path is "~/Downloads/emsdk/":
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31
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32 # source ~/Downloads/emsdk/emsdk_env.sh
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33 # mkdir Build && cd Build
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34 # cmake .. -DCMAKE_BUILD_TYPE=Release \
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35 -DCMAKE_TOOLCHAIN_FILE=${EMSDK}/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake \
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36 -DALLOW_DOWNLOADS=ON -G Ninja
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37 # ninja install
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38
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39 => The binaries will be put in "../../../wasm-binaries/StoneWebViewer/"
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41
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42 Debian unstable
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43 ===============
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44
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45 Last update: 2020-11-18
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46
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47 IMPORTANT - Currently broken: The linker fails on Debian Sid with the
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48 default package. A workaround is available using "experimental"
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49 packages:
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50 https://github.com/emscripten-core/emscripten/issues/11895#issuecomment-729840497
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51 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=975069
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53
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54 # sudo apt-get install emscripten python3-clang python3-pystache ninja-build
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55 # mkdir Build && cd Build
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56 # EMSCRIPTEN=/usr/bin/ cmake .. -DCMAKE_BUILD_TYPE=Release \
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57 -DCMAKE_TOOLCHAIN_FILE=/usr/share/emscripten/cmake/Modules/Platform/Emscripten.cmake \
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58 -DLIBCLANG=/usr/lib/x86_64-linux-gnu/libclang-9.so \
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59 -DALLOW_DOWNLOADS=ON -G Ninja
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60 # ninja install
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61
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62 => The binaries will be put in "../../../wasm-binaries/StoneWebViewer/"
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63
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64 The invokation of CMake will give the following warning, that can be safely ignored:
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65
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66 "System is unknown to cmake, create:
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67 Platform/Emscripten to use this system, please post your config file on discourse.cmake.org so it can be added to cmake"