Files
2024-08-09 13:58:27 -04:00

124 lines
4.1 KiB
Batchfile
Executable File

@echo off
rem ## Unreal Engine UnrealBuildTool build script
rem ## Copyright Epic Games, Inc. All Rights Reserved.
rem ##
rem ## This script is expecting to exist in the Engine/Build/BatchFiles directory. It will not work correctly
rem ## if you copy it to a different location and run it.
setlocal
rem ## Make sure we use the Windows "find" utility and not a Unix-like tool found in PATH
set FIND=%SYSTEMROOT%\System32\findstr.exe /i /r
rem ## First, make sure the batch file exists in the folder we expect it to. This is necessary in order to
rem ## verify that our relative path to the /Engine/Source directory is correct
if not exist "%~dp0..\..\Source" goto Error_BatchFileInWrongLocation
rem ## Change the CWD to /Engine/Source.
pushd "%~dp0..\..\Source"
if not exist ..\Build\BatchFiles\BuildUBT.bat goto Error_BatchFileInWrongLocation
rem Check to see if the files in the UnrealBuildTool or Shared project directory have changed.
rem find ".cs" files to only lines that match those names - excludes lines that will change for uninteresting reasons, like free space
md ..\Intermediate\Build >nul 2>nul
dir /s ^
Programs\Shared\EpicGames.Build ^
Programs\Shared\EpicGames.Core ^
Programs\Shared\EpicGames.Horde ^
Programs\Shared\EpicGames.IoHash ^
Programs\Shared\EpicGames.MsBuild ^
Programs\Shared\EpicGames.OIDC ^
Programs\Shared\EpicGames.Serialization ^
Programs\Shared\EpicGames.UBA ^
Programs\Shared\EpicGames.UHT ^
Programs\UnrealBuildTool ^
2>nul ^
| %FIND% /c:"\.cs$" /c:"\.csproj$" > ..\Intermediate\Build\UnrealBuildToolFiles.txt
dir /s ^
..\Binaries\Win64\UnrealBuildAccelerator ^
2>nul ^
| %FIND% /c:"\.dll$" /c:"\.exe$" >> ..\Intermediate\Build\UnrealBuildToolFiles.txt
if not exist ..\Platforms goto NoPlatforms
for /d %%D in (..\Platforms\*) do (
dir /s ^
%%D\Source\Programs\Shared ^
%%D\Source\Programs\UnrealBuildTool ^
2>nul ^
| %FIND% /c:"\.cs$" /c:"\.csproj$" >> ..\Intermediate\Build\UnrealBuildToolFiles.txt
)
:NoPlatforms
if not exist ..\Restricted goto NoRestricted
for /d %%D in (..\Restricted\*) do (
dir /s ^
%%D\Source\Programs\Shared ^
%%D\Source\Programs\UnrealBuildTool ^
2>nul ^
| %FIND% /c:"\.cs$" /c:"\.csproj$" >> ..\Intermediate\Build\UnrealBuildToolFiles.txt
)
:NoRestricted
rem note: no /s
dir ^
Programs\Shared\MetaData.cs ^
2>nul ^
| %FIND% "\.cs$" >>..\Intermediate\Build\UnrealBuildToolFiles.txt
set MSBUILD_LOGLEVEL=%1
if not defined %MSBUILD_LOGLEVEL set MSBUILD_LOGLEVEL=quiet
set ARGUMENT=%2
if not defined %ARGUMENT goto Check_UpToDate
if /I "%ARGUMENT%" == "FORCE" goto Build_UnrealBuildTool
:Check_UpToDate
if not exist ..\Binaries\DotNET\UnrealBuildTool\UnrealBuildTool.dll goto Build_UnrealBuildTool
set RUNUBT_EXITCODE=0
rem per https://ss64.com/nt/fc.html using redirection syntax rather than errorlevel, based on observed inconsistent results from this function
fc ..\Intermediate\Build\UnrealBuildToolFiles.txt ..\Intermediate\Build\UnrealBuildToolPrevFiles.txt >nul 2>&1 && goto Exit
:Build_UnrealBuildTool
rem ## Verify that dotnet is present
call "%~dp0GetDotnetPath.bat"
if errorlevel 1 goto Error_NoDotnetSDK
echo Building UnrealBuildTool...
dotnet build Programs\UnrealBuildTool\UnrealBuildTool.csproj -c Development -v %MSBUILD_LOGLEVEL%
if errorlevel 1 goto Error_UBTCompileFailed
rem record input files - regardless of how we got here, these are now our point of reference
copy /y ..\Intermediate\Build\UnrealBuildToolFiles.txt ..\Intermediate\Build\UnrealBuildToolPrevFiles.txt >nul
goto Exit
:Error_BatchFileInWrongLocation
echo.
echo BuildUBT ERROR: The batch file does not appear to be located in the /Engine/Build/BatchFiles directory. This script must be run from within that directory.
echo.
set RUNUBT_EXITCODE=1
goto Exit
:Error_NoDotnetSDK
echo.
echo RunUBT ERROR: Unable to find a install of Dotnet SDK. Please make sure you have it installed and that `dotnet` is a globally available command.
echo.
set RUNUBT_EXITCODE=1
goto Exit
:Error_UBTCompileFailed
echo.
echo RunUBT ERROR: UnrealBuildTool failed to compile.
echo.
set RUNUBT_EXITCODE=1
goto Exit
:Exit
rem ## Restore original CWD in case we change it
popd
exit /B %RUNUBT_EXITCODE%