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|
'use strict'
const { execSync } = require('child_process')
const { writeFileSync, readFileSync } = require('fs')
const { join, resolve } = require('path')
const ROOT = resolve(__dirname, '../')
const WASM_SRC = resolve(__dirname, '../deps/llhttp')
const WASM_OUT = resolve(__dirname, '../lib/llhttp')
const DOCKERFILE = resolve(__dirname, './Dockerfile')
let platform = process.env.WASM_PLATFORM
if (!platform && process.argv[2]) {
platform = execSync('docker info -f "{{.OSType}}/{{.Architecture}}"').toString().trim()
}
if (process.argv[2] === '--prebuild') {
const cmd = `docker build --platform=${platform.toString().trim()} -t llhttp_wasm_builder -f ${DOCKERFILE} ${ROOT}`
console.log(`> ${cmd}\n\n`)
execSync(cmd, { stdio: 'inherit' })
process.exit(0)
}
if (process.argv[2] === '--docker') {
let cmd = `docker run --rm -it --platform=${platform.toString().trim()}`
if (process.platform === 'linux') {
cmd += ` --user ${process.getuid()}:${process.getegid()}`
}
cmd += ` --mount type=bind,source=${ROOT}/lib/llhttp,target=/home/node/undici/lib/llhttp llhttp_wasm_builder node build/wasm.js`
console.log(`> ${cmd}\n\n`)
execSync(cmd, { stdio: 'inherit' })
process.exit(0)
}
// Gather information about the tools used for the build
const buildInfo = execSync('apk info -v').toString()
if (!buildInfo.includes('wasi-sdk')) {
console.log('Failed to generate build environment information')
process.exit(-1)
}
writeFileSync(join(WASM_OUT, 'wasm_build_env.txt'), buildInfo)
// Build wasm binary
execSync(`clang \
--sysroot=/usr/share/wasi-sysroot \
-target wasm32-unknown-wasi \
-Ofast \
-fno-exceptions \
-fvisibility=hidden \
-mexec-model=reactor \
-Wl,-error-limit=0 \
-Wl,-O3 \
-Wl,--lto-O3 \
-Wl,--strip-all \
-Wl,--allow-undefined \
-Wl,--export-dynamic \
-Wl,--export-table \
-Wl,--export=malloc \
-Wl,--export=free \
-Wl,--no-entry \
${join(WASM_SRC, 'src')}/*.c \
-I${join(WASM_SRC, 'include')} \
-o ${join(WASM_OUT, 'llhttp.wasm')}`, { stdio: 'inherit' })
const base64Wasm = readFileSync(join(WASM_OUT, 'llhttp.wasm')).toString('base64')
writeFileSync(
join(WASM_OUT, 'llhttp-wasm.js'),
`module.exports = '${base64Wasm}'\n`
)
// Build wasm simd binary
execSync(`clang \
--sysroot=/usr/share/wasi-sysroot \
-target wasm32-unknown-wasi \
-msimd128 \
-Ofast \
-fno-exceptions \
-fvisibility=hidden \
-mexec-model=reactor \
-Wl,-error-limit=0 \
-Wl,-O3 \
-Wl,--lto-O3 \
-Wl,--strip-all \
-Wl,--allow-undefined \
-Wl,--export-dynamic \
-Wl,--export-table \
-Wl,--export=malloc \
-Wl,--export=free \
-Wl,--no-entry \
${join(WASM_SRC, 'src')}/*.c \
-I${join(WASM_SRC, 'include')} \
-o ${join(WASM_OUT, 'llhttp_simd.wasm')}`, { stdio: 'inherit' })
const base64WasmSimd = readFileSync(join(WASM_OUT, 'llhttp_simd.wasm')).toString('base64')
writeFileSync(
join(WASM_OUT, 'llhttp_simd-wasm.js'),
`module.exports = '${base64WasmSimd}'\n`
)
|
