Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/platform/wasm/tools/build.sh @ 38:8934ac156ef5

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Allow to build with the PyPI package "clang" instead of "libclang". 1. It seems to be maintained. 2. In the FreeBSD base system there is no pre-built libclang.so. If you need this library you have to install llvm from ports additionally. 2. On FreeBSD there is no pre-built wheel "libclang" with a packaged libclang.so.
author Franz Glasner <fzglas.hg@dom66.de>
date Tue, 23 Sep 2025 10:27:15 +0200
parents b50eed0cc0ef
children
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1 #!/bin/bash
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2 #
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3 # Script to build the WASM binary.
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4 #
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5 # The following environment variables can be used to configure the build:
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6 # EMSDK, BUILD, SUFFIX, DEFINES, FEATURES
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7 #
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8 # EMSDK must point to the directory where emsdk is installed
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9 # BUILD should be "small" or "memento"
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10 # DEFINES should be a set of -D defines (e.g. "-DTOFU")
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11 # FEATURES should be a list of "feature=no" (e.g. "brotli=no mujs=no extract=no xps=no svg=no html=no")
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12 # SUFFIX should be a tag to keep build files for different configurations separate
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13 #
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15 EMSDK=${EMSDK:-/opt/emsdk}
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16 BUILD=${BUILD:-small}
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17 DEFINES=${DEFINES:--DTOFU -DTOFU_CJK_EXT}
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18 FEATURES=${FEATURES:-brotli=no mujs=no extract=no xps=no svg=no}
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20 if [ "$BUILD" = "memento" ]
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21 then
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22 MEMENTO="-DMEMENTO -DMEMENTO_STACKTRACE_METHOD=0"
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23 fi
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25 export EMSDK_QUIET=1
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26 source $EMSDK/emsdk_env.sh
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28 emsdk install 4.0.8 >/dev/null || exit
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29 emsdk activate 4.0.8 >/dev/null || exit
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31 mkdir -p dist
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32 rm -f dist/*
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33
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34 echo "COMPILING ($BUILD)"
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36 make --no-print-directory -j $(nproc) \
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37 -C ../.. \
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38 build=$BUILD \
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39 build_suffix=$SUFFIX \
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40 OS=wasm \
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41 XCFLAGS="$MEMENTO $DEFINES" \
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42 $FEATURES \
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43 libs
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45 echo "LINKING"
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47 emcc -o dist/mupdf-wasm.js \
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48 -I ../../include \
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49 -Os -g2 \
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50 $MEMENTO \
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51 --no-entry \
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52 -mno-nontrapping-fptoint \
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53 -fwasm-exceptions \
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54 -sSUPPORT_LONGJMP=wasm \
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55 -sMODULARIZE=1 \
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56 -sEXPORT_ES6=1 \
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57 -sEXPORT_NAME='"libmupdf_wasm"' \
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58 -sALLOW_MEMORY_GROWTH=1 \
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59 -sTEXTDECODER=2 \
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60 -sFILESYSTEM=0 \
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61 -sEXPORTED_RUNTIME_METHODS='["UTF8ToString","lengthBytesUTF8","stringToUTF8","HEAPU8","HEAP32","HEAPU32","HEAPF32"]' \
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62 lib/mupdf.c \
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63 ../../build/wasm/$BUILD$SUFFIX/libmupdf.a \
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64 ../../build/wasm/$BUILD$SUFFIX/libmupdf-third.a
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65
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66 # remove executable bit from wasm-ld output
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67 chmod -x dist/mupdf-wasm.wasm
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69 echo "TYPESCRIPT"
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71 sed < lib/mupdf.c '/#include/d' | emcc -E - | node tools/make-wasm-type.js > lib/mupdf-wasm.d.ts
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72 cp lib/mupdf-wasm.d.ts dist/mupdf-wasm.d.ts
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74 npx tsc -p .
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75
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76 # convert spaces to tabs
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77 sed -i -e 's/ /\t/g' dist/mupdf.js
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79 echo "TERSER"
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81 npx terser --module -c -m -o dist/mupdf-wasm.js dist/mupdf-wasm.js
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82 # npx terser --module -c -m -o dist/mupdf.min.js dist/mupdf.js