PS1 Script to Generate the Conan settings.yml from a Developer Powershell for VS 2022 or VS 2026

conan.ps1

# Get the value of the VSCMD_VER environment variable
$vsCmdVersion = $env:VSCMD_VER

# Check if VSCMD_VER is set
if (-not $vsCmdVersion) {
    Write-Host "Error: VSCMD_VER environment variable is not set or is empty." -ForegroundColor Red
    exit 1
}

# Extract the major and minor version (e.g., "17.13" from "17.13.2")
$msvcVersion = ($vsCmdVersion -split '\.')[0] -join '.'

# Extract the major version (e.g., "17" from "17.13.2")
$msvcMajorVersion = ($vsCmdVersion -split '\.')[0] -join '.'

# Define the mapping of MSVC versions to their corresponding version and update numbers
$msvcVersionMap = @{
    "17.14" = @(194, 4)  # compiler.version = 194, compiler.update = 4
    "17.15" = @(194, 5)  # compiler.version = 194, compiler.update = 5
    "17.16" = @(194, 5)  # compiler.version = 194, compiler.update = 6
    "18.0"  = @(195, 0)  # compiler.version = 195, compiler.update = 0
    "18.1"  = @(195, 1)  # compiler.version = 195, compiler.update = 1
    "18.2"  = @(195, 2)  # compiler.version = 195, compiler.update = 2
    "18.3"  = @(195, 3)  # compiler.version = 195, compiler.update = 3
    "18.4"  = @(195, 4)  # compiler.version = 195, compiler.update = 4
    "18.5"  = @(195, 5)  # compiler.version = 195, compiler.update = 5
    "18.6"  = @(195, 6)  # compiler.version = 195, compiler.update = 6
    "18.7"  = @(195, 7)  # compiler.version = 195, compiler.update = 7
    "18.8"  = @(195, 8)  # compiler.version = 195, compiler.update = 8
    "18.9"  = @(195, 9)  # compiler.version = 195, compiler.update = 9
    "18.10" = @(195, 10) # compiler.version = 195, compiler.update = 10
}

$msvcVersionToolsetMap = @{
    194 = "v143" # there is no v144
    195 = "v145" 
}

if ($msvcMajorVersion -eq "18") {
  write-host "`nVisual Studio 2026 Command Prompt variables set." -ForegroundColor Yellow
} else {
  write-host "`nVisual Studio 2022 Command Prompt variables set." -ForegroundColor Yellow
}

# Debugging: Output the extracted version for verification
# Write-Host "Extracted MSVC Version: $msvcVersion" -ForegroundColor Cyan

# Get the corresponding version and update numbers from the map
if ($msvcVersionMap.ContainsKey($msvcVersion)) {
    $compilerVersion = $msvcVersionMap[$msvcVersion][0]  # First element of the array
    $compilerUpdate = $msvcVersionMap[$msvcVersion][1]   # Second element of the array

    # Output the results

    $versionParts = $env:VCToolsVersion.Split('.')
    $compilerRuntime = "dynamic"
    
    Write-Host "[settings]" -ForegroundColor Magenta  
    Write-Host "os=windows" -ForegroundColor DarkGray    
    Write-Host "arch=x86_64" -ForegroundColor DarkGray
    Write-Host "compiler=msvc" -ForegroundColor DarkGray
    Write-Host "compiler.cppstd=20" -ForegroundColor DarkGray
    Write-Host "compiler.version=$compilerVersion" -ForegroundColor DarkGray
    Write-Host "compiler.update=$compilerUpdate" -ForegroundColor DarkGray
    Write-Host "compiler.toolset=$compilerToolset" -ForegroundColor DarkGray
    Write-Host "compiler.runtime=$compilerRuntime" -ForegroundColor DarkGray

    # Get the Windows SDK version from the environment variable
    $winSdkVersion = $env:WindowsSDKVersion

    # Clean the Windows SDK version (remove trailing backslashes and non-numeric/non-period characters)
    $cleanedSdkVersion = $winSdkVersion -replace '[^0-9.]', ''

    # Additional outputs
    $vsVersion = ($msvcVersion -split '\.')[0]  # Extract "17" from "17.13"
    Write-Host "[conf]" -ForegroundColor Blue
    Write-Host "tools.microsoft:winsdk_version=$cleanedSdkVersion" -ForegroundColor Blue
    Write-Host "tools.microsoft.msbuild:vs_version=$vsVersion" -ForegroundColor Blue
    Write-Host "tools.microsoft:msvc_update=$compilerUpdate" -ForegroundColor Blue
} else {
    Write-Host "Error: VSCMD_VER '$vsCmdVersion' (extracted as '$msvcVersion') not found in the mapping." -ForegroundColor Red
    Write-Host "Available versions in the mapping: $($msvcVersionMap.Keys -join ', ')" -ForegroundColor Yellow
}