yum-mirror/slang

Making it easier to work with shaders

git clone https://git.yummers.dev/yum-mirror/slang

Sam EstepUpdate LLVM from 13.0.1 to 14.0.6 (#8031)4721b6ef2

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1# PowerShell script to fetch, build, and install LLVM for Slang
2
3# Set script to fail on errors
4$ErrorActionPreference = "Stop"
5
6function Show-Help {
7    Write-Host "Fetch, build and install LLVM for Slang
8
9Options:
10  --repo: The source git repo, default: $repo
11  --branch: The branch (or tag) to fetch, default: $branch
12  --source-dir: Unpack and build in this directory: default $source_dir
13  --config: The configuration to build, default $config
14  --install-prefix: Install under this prefix
15  --: Any following arguments will be passed to the CMake configuration command
16"
17}
18
19function Msg {
20    Write-Host "$args" -ForegroundColor Yellow
21}
22
23function Fail {
24    Msg "$args"
25    exit 1
26}
27
28function New-TemporaryDirectory {
29  $tmp = [System.IO.Path]::GetTempPath() # Not $env:TEMP, see https://stackoverflow.com/a/946017
30  $name = (New-Guid).ToString("N")
31  New-Item -ItemType Directory -Path (Join-Path $tmp $name)
32}
33
34# Check if required programs are available
35$requiredPrograms = "cmake", "git", "ninja"
36foreach ($prog in $requiredPrograms) {
37    if (-not (Get-Command $prog -ErrorAction SilentlyContinue)) {
38        Msg "This script needs $prog, but it isn't in PATH"
39        $missingBin = $true
40    }
41}
42if ($missingBin) {
43    exit 1
44}
45
46# Temp directory with cleanup on exit
47$tempDir = New-TemporaryDirectory
48$cleanup = {
49    if ($tempDir) {
50        Remove-Item -Recurse -Force $tempDir
51    }
52    exit $lastExitCode
53}
54$null = Register-EngineEvent PowerShell.Exiting -Action $cleanup
55
56# Default values
57$repo = "https://github.com/llvm/llvm-project"
58$branch = "llvmorg-14.0.6"
59$sourceDir = $tempDir.FullName
60$installPrefix = ""
61$config = "Release"
62$extraArguments = @()
63
64# Argument parsing
65for ($i = 0; $i -lt $args.Length; $i++) {
66    switch ($args[$i]) {
67        "--help" {
68            Show-Help
69            exit
70        }
71        "--repo" {
72            $repo = $args[++$i]
73        }
74        "--branch" {
75            $branch = $args[++$i]
76        }
77        "--source-dir" {
78            $sourceDir = $args[++$i]
79        }
80        "--config" {
81            $config = $args[++$i]
82        }
83        "--install-prefix" {
84            $installPrefix = $args[++$i]
85        }
86        "--" {
87            $extraArguments = $args[$i + 1..$args.Length]
88            break
89        }
90        default {
91            Msg "Unknown parameter passed: $($args[$i])"
92            Show-Help
93            exit 1
94        }
95    }
96}
97
98if (-not $repo) { Fail "please set --repo" }
99if (-not $branch) { Fail "please set --branch" }
100if (-not $sourceDir) { Fail "please set --source-dir" }
101if (-not $config) { Fail "please set --config" }
102if (-not $installPrefix) { Fail "please set --install-prefix" }
103
104# Fetch LLVM from the repo
105Msg "##########################################################"
106Msg "# Fetching LLVM from $repo at $branch"
107Msg "##########################################################"
108git clone --depth 1 --branch $branch $repo $sourceDir
109
110# Configure LLVM with CMake
111Msg "##########################################################"
112Msg "# Configuring LLVM in $sourceDir"
113Msg "##########################################################"
114$msvcRuntimeLib = "MultiThreaded"
115if ($config -eq 'Debug')
116{
117    $msvcRuntimeLib = "MultiThreadedDebug"
118}
119$cmakeArgumentsForSlang = @(
120    "-DLLVM_BUILD_LLVM_C_DYLIB=0"
121    "-DLLVM_INCLUDE_BENCHMARKS=0"
122    "-DLLVM_INCLUDE_DOCS=0"
123    "-DLLVM_INCLUDE_EXAMPLES=0"
124    "-DLLVM_INCLUDE_TESTS=0"
125    "-DLLVM_ENABLE_TERMINFO=0"
126    "-DCLANG_BUILD_TOOLS=0"
127    "-DCLANG_ENABLE_STATIC_ANALYZER=0"
128    "-DCLANG_ENABLE_ARCMT=0"
129    "-DCLANG_INCLUDE_DOCS=0"
130    "-DCLANG_INCLUDE_TESTS=0"
131    "-DLLVM_ENABLE_PROJECTS=clang"
132    "-DLLVM_TARGETS_TO_BUILD=X86;ARM;AArch64"
133    "-DLLVM_BUILD_TOOLS=0"
134    "-DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded$<$<CONFIG:Debug>:Debug>"
135    "-DLLVM_USE_CRT_RELEASE=MT"
136    "-DLLVM_USE_CRT_DEBUG=MTd"
137)
138
139$buildDir = Join-Path $sourceDir "build"
140New-Item -Path $buildDir -ItemType Directory -Force
141$myScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
142$toolchainFile = Join-Path $myScriptDir "WindowsToolchain\Windows.MSVC.toolchain.cmake"
143cmake -S $sourceDir\llvm -B $buildDir $cmakeArgumentsForSlang + $extraArguments -G "Ninja" --toolchain $toolchainFile
144
145# Build LLVM
146Msg "##########################################################"
147Msg "# Building LLVM in $buildDir"
148Msg "##########################################################"
149cmake --build $buildDir -j --config $config
150
151# Install LLVM
152Msg "##########################################################"
153Msg "# Installing LLVM to $installPrefix"
154Msg "##########################################################"
155cmake --install $buildDir --prefix $installPrefix --config $config
156
157Msg "##########################################################"
158Msg "LLVM installed in $installPrefix"
159Msg "Please add $installPrefix to CMAKE_PREFIX_PATH"
160Msg "##########################################################"