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comparison mupdf-source/platform/wasm/tools/build.sh @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 #!/bin/bash
2 #
3 # Script to build the WASM binary.
4 #
5 # The following environment variables can be used to configure the build:
6 # EMSDK, BUILD, SUFFIX, DEFINES, FEATURES
7 #
8 # EMSDK must point to the directory where emsdk is installed
9 # BUILD should be "small" or "memento"
10 # DEFINES should be a set of -D defines (e.g. "-DTOFU")
11 # FEATURES should be a list of "feature=no" (e.g. "brotli=no mujs=no extract=no xps=no svg=no html=no")
12 # SUFFIX should be a tag to keep build files for different configurations separate
13 #
14
15 EMSDK=${EMSDK:-/opt/emsdk}
16 BUILD=${BUILD:-small}
17 DEFINES=${DEFINES:--DTOFU -DTOFU_CJK_EXT}
18 FEATURES=${FEATURES:-brotli=no mujs=no extract=no xps=no svg=no}
19
20 if [ "$BUILD" = "memento" ]
21 then
22 MEMENTO="-DMEMENTO -DMEMENTO_STACKTRACE_METHOD=0"
23 fi
24
25 export EMSDK_QUIET=1
26 source $EMSDK/emsdk_env.sh
27
28 emsdk install 4.0.8 >/dev/null || exit
29 emsdk activate 4.0.8 >/dev/null || exit
30
31 mkdir -p dist
32 rm -f dist/*
33
34 echo "COMPILING ($BUILD)"
35
36 make --no-print-directory -j $(nproc) \
37 -C ../.. \
38 build=$BUILD \
39 build_suffix=$SUFFIX \
40 OS=wasm \
41 XCFLAGS="$MEMENTO $DEFINES" \
42 $FEATURES \
43 libs
44
45 echo "LINKING"
46
47 emcc -o dist/mupdf-wasm.js \
48 -I ../../include \
49 -Os -g2 \
50 $MEMENTO \
51 --no-entry \
52 -mno-nontrapping-fptoint \
53 -fwasm-exceptions \
54 -sSUPPORT_LONGJMP=wasm \
55 -sMODULARIZE=1 \
56 -sEXPORT_ES6=1 \
57 -sEXPORT_NAME='"libmupdf_wasm"' \
58 -sALLOW_MEMORY_GROWTH=1 \
59 -sTEXTDECODER=2 \
60 -sFILESYSTEM=0 \
61 -sEXPORTED_RUNTIME_METHODS='["UTF8ToString","lengthBytesUTF8","stringToUTF8","HEAPU8","HEAP32","HEAPU32","HEAPF32"]' \
62 lib/mupdf.c \
63 ../../build/wasm/$BUILD$SUFFIX/libmupdf.a \
64 ../../build/wasm/$BUILD$SUFFIX/libmupdf-third.a
65
66 # remove executable bit from wasm-ld output
67 chmod -x dist/mupdf-wasm.wasm
68
69 echo "TYPESCRIPT"
70
71 sed < lib/mupdf.c '/#include/d' | emcc -E - | node tools/make-wasm-type.js > lib/mupdf-wasm.d.ts
72 cp lib/mupdf-wasm.d.ts dist/mupdf-wasm.d.ts
73
74 npx tsc -p .
75
76 # convert spaces to tabs
77 sed -i -e 's/ /\t/g' dist/mupdf.js
78
79 echo "TERSER"
80
81 npx terser --module -c -m -o dist/mupdf-wasm.js dist/mupdf-wasm.js
82 # npx terser --module -c -m -o dist/mupdf.min.js dist/mupdf.js