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$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash
# this is the environment script for building bun's dependencies
# it sets c compiler and flags
$ScriptDir = Split-Path -Path $MyInvocation.MyCommand.Definition -Parent
if ($env:VSINSTALLDIR -eq $null) {
Write-Host "Loading Visual Studio environment, this may take a second..."
$vsDir = Get-ChildItem -Path "C:\Program Files\Microsoft Visual Studio\2022" -Directory
if ($vsDir -eq $null) {
throw "Visual Studio directory not found."
}
Push-Location $vsDir
try {
. (Join-Path -Path $vsDir.FullName -ChildPath "Common7\Tools\Launch-VsDevShell.ps1") -Arch amd64 -HostArch amd64
} finally { Pop-Location }
}
if($Env:VSCMD_ARG_TGT_ARCH -eq "x86") {
# Please do not try to compile Bun for 32 bit. It will not work. I promise.
throw "Visual Studio environment is targetting 32 bit. This configuration is definetly a mistake."
}
$BUN_BASE_DIR = if ($env:BUN_BASE_DIR) { $env:BUN_BASE_DIR } else { Join-Path $ScriptDir '..' }
$BUN_DEPS_DIR = if ($env:BUN_DEPS_DIR) { $env:BUN_DEPS_DIR } else { Join-Path $BUN_BASE_DIR 'src\deps' }
$BUN_DEPS_OUT_DIR = if ($env:BUN_DEPS_OUT_DIR) { $env:BUN_DEPS_OUT_DIR } else { $BUN_DEPS_DIR }
$CPUS = if ($env:CPUS) { $env:CPUS } else { (Get-WmiObject -Class Win32_Processor).NumberOfCores }
$CC = "clang-cl"
$CXX = "clang-cl"
$CFLAGS = '/O2'
$CXXFLAGS = '/O2'
$CMAKE_FLAGS = @(
"-GNinja",
"-DCMAKE_BUILD_TYPE=Release",
"-DCMAKE_C_COMPILER=$CC",
"-DCMAKE_CXX_COMPILER=$CXX",
"-DCMAKE_C_FLAGS=`"$CFLAGS`"",
"-DCMAKE_CXX_FLAGS=`"$CXXFLAGS`""
)
$env:CC = "clang-cl"
$env:CXX = "clang-cl"
$env:CFLAGS = $CFLAGS
$env:CXXFLAGS = $CXXFLAGS
$env:CPUS = $CPUS
$null = New-Item -ItemType Directory -Force -Path $BUN_DEPS_OUT_DIR
function Run() {
# A handy way to run a command, and automatically throw an error if the
# exit code is non-zero.
if ($args.Count -eq 0) {
throw "Must supply some arguments."
}
$command = $args[0]
$commandArgs = @()
if ($args.Count -gt 1) {
$commandArgs = $args[1..($args.Count - 1)]
}
& $command $commandArgs
$result = $LASTEXITCODE
if ($result -ne 0) {
throw "$command $commandArgs exited with code $result."
}
}
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