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init.cmd
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init.cmd
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@echo off
setlocal
setlocal EnableDelayedExpansion
:: Globals
set BUILD_ROOT=%~dp0\..\build
goto :init
:usage
echo USAGE:
echo init.cmd [--help] [-c^|--compiler ^<clang^|msvc^>] [-g^|--generator ^<ninja^|msbuild^>]
echo [-b^|--build-type ^<debug^|release^|relwithdebinfo^|minsizerel^>] [-l^|--linker link^|lld-link]
echo [-v^|--version X.Y.Z] [--cppwinrt ^<version^>] [--fast]
echo.
echo ARGUMENTS
echo -c^|--compiler Controls the compiler used, either 'clang' (the default) or 'msvc'
echo -g^|--generator Controls the CMake generator used, either 'ninja' (the default) or 'msbuild'
echo -b^|--build-type Controls the value of 'CMAKE_BUILD_TYPE', either 'debug' (the default), 'release',
echo 'relwithdebinfo', or 'minsizerel'
echo -v^|--version Specifies the version of the NuGet package produced. Primarily only used by the CI
echo build and is typically not necessary when building locally
echo --cppwinrt Manually specifies the version of C++/WinRT to use for generating headers
echo --fast Used to (slightly) reduce compile times and build output size. This is primarily
echo used by the CI build machines where resources are more constrained. This switch is
echo temporary and will be removed once https://github.com/microsoft/wil/issues/9 is fixed
goto :eof
:init
:: Initialize values as empty so that we can identify if we are using defaults later for error purposes
set COMPILER=
set GENERATOR=
set BUILD_TYPE=
set LINKER=
set CMAKE_ARGS=
set BITNESS=
set VERSION=
set CPPWINRT_VERSION=
set FAST_BUILD=0
:parse
if /I "%~1"=="" goto :execute
if /I "%~1"=="--help" call :usage & goto :eof
set COMPILER_SET=0
if /I "%~1"=="-c" set COMPILER_SET=1
if /I "%~1"=="--compiler" set COMPILER_SET=1
if %COMPILER_SET%==1 (
if "%COMPILER%" NEQ "" echo ERROR: Compiler already specified & call :usage & exit /B 1
if /I "%~2"=="clang" set COMPILER=clang
if /I "%~2"=="msvc" set COMPILER=msvc
if "!COMPILER!"=="" echo ERROR: Unrecognized/missing compiler %~2 & call :usage & exit /B 1
shift
shift
goto :parse
)
set GENERATOR_SET=0
if /I "%~1"=="-g" set GENERATOR_SET=1
if /I "%~1"=="--generator" set GENERATOR_SET=1
if %GENERATOR_SET%==1 (
if "%GENERATOR%" NEQ "" echo ERROR: Generator already specified & call :usage & exit /B 1
if /I "%~2"=="ninja" set GENERATOR=ninja
if /I "%~2"=="msbuild" set GENERATOR=msbuild
if "!GENERATOR!"=="" echo ERROR: Unrecognized/missing generator %~2 & call :usage & exit /B 1
shift
shift
goto :parse
)
set BUILD_TYPE_SET=0
if /I "%~1"=="-b" set BUILD_TYPE_SET=1
if /I "%~1"=="--build-type" set BUILD_TYPE_SET=1
if %BUILD_TYPE_SET%==1 (
if "%BUILD_TYPE%" NEQ "" echo ERROR: Build type already specified & call :usage & exit /B 1
if /I "%~2"=="debug" set BUILD_TYPE=debug
if /I "%~2"=="release" set BUILD_TYPE=release
if /I "%~2"=="relwithdebinfo" set BUILD_TYPE=relwithdebinfo
if /I "%~2"=="minsizerel" set BUILD_TYPE=minsizerel
if "!BUILD_TYPE!"=="" echo ERROR: Unrecognized/missing build type %~2 & call :usage & exit /B 1
shift
shift
goto :parse
)
set LINKER_SET=0
if /I "%~1"=="-l" set LINKER_SET=1
if /I "%~1"=="--linker" set LINKER_SET=1
if %LINKER_SET%==1 (
if "%LINKER%" NEQ "" echo ERROR: Linker already specified & call :usage & exit /B 1
if /I "%~2"=="link" set LINKER=link
if /I "%~2"=="lld-link" set LINKER=lld-link
if "!LINKER!"=="" echo ERROR: Unrecognized/missing linker %~2 & call :usage & exit /B 1
shift
shift
goto :parse
)
set VERSION_SET=0
if /I "%~1"=="-v" set VERSION_SET=1
if /I "%~1"=="--version" set VERSION_SET=1
if %VERSION_SET%==1 (
if "%VERSION%" NEQ "" echo ERROR: Version already specified & call :usage & exit /B 1
if /I "%~2"=="" echo ERROR: Version string missing & call :usage & exit /B 1
set VERSION=%~2
shift
shift
goto :parse
)
if /I "%~1"=="--cppwinrt" (
if "%CPPWINRT_VERSION%" NEQ "" echo ERROR: C++/WinRT version already specified & call :usage & exit /B 1
if /I "%~2"=="" echo ERROR: C++/WinRT version string missing & call :usage & exit /B 1
set CPPWINRT_VERSION=%~2
shift
shift
goto :parse
)
if /I "%~1"=="--fast" (
if %FAST_BUILD% NEQ 0 echo ERROR: Fast build already specified
set FAST_BUILD=1
shift
goto :parse
)
echo ERROR: Unrecognized argument %~1
call :usage
exit /B 1
:execute
:: Check for conflicting arguments
if "%GENERATOR%"=="msbuild" (
if "%COMPILER%"=="clang" echo ERROR: Cannot use Clang with MSBuild & exit /B 1
:: While CMake won't give an error, specifying the linker won't actually have any effect with the VS generator
if "%LINKER%"=="lld-link" echo ERROR: Cannot use lld-link with MSBuild & exit /B 1
)
:: Select defaults
if "%GENERATOR%"=="" set GENERATOR=ninja
if %GENERATOR%==msbuild set COMPILER=msvc
if "%COMPILER%"=="" set COMPILER=clang
if "%BUILD_TYPE%"=="" set BUILD_TYPE=debug
if "%LINKER%"=="" set LINKER=link
:: Formulate CMake arguments
if %GENERATOR%==ninja set CMAKE_ARGS=%CMAKE_ARGS% -G Ninja
if %COMPILER%==clang set CMAKE_ARGS=%CMAKE_ARGS% -DCMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl
if %COMPILER%==msvc set CMAKE_ARGS=%CMAKE_ARGS% -DCMAKE_C_COMPILER=cl -DCMAKE_CXX_COMPILER=cl
if %GENERATOR% NEQ msbuild (
if %BUILD_TYPE%==debug set CMAKE_ARGS=%CMAKE_ARGS% -DCMAKE_BUILD_TYPE=Debug
if %BUILD_TYPE%==release set CMAKE_ARGS=%CMAKE_ARGS% -DCMAKE_BUILD_TYPE=Release
if %BUILD_TYPE%==relwithdebinfo set CMAKE_ARGS=%CMAKE_ARGS% -DCMAKE_BUILD_TYPE=RelWithDebInfo
if %BUILD_TYPE%==minsizerel set CMAKE_ARGS=%CMAKE_ARGS% -DCMAKE_BUILD_TYPE=MinSizeRel
) else (
:: The Visual Studio generator, by default, will use the most recent Windows SDK version installed that is not
:: greater than the host OS version. This decision is to ensure that anything built will be able to run on the
:: machine that built it. This experience is generally okay, if not desired, but affects us since we build with
:: '/permissive-' etc. and older versions of the SDK are typically not as clean as the most recent versions.
:: This flag will force the generator to select the most recent SDK version independent of host OS version.
set CMAKE_ARGS=%CMAKE_ARGS% -DCMAKE_SYSTEM_VERSION=10.0
)
if %LINKER%==lld-link (
set CMAKE_ARGS=%CMAKE_ARGS% -DCMAKE_LINKER=lld-link
)
if "%VERSION%" NEQ "" set CMAKE_ARGS=%CMAKE_ARGS% -DWIL_BUILD_VERSION=%VERSION%
if "%CPPWINRT_VERSION%" NEQ "" set CMAKE_ARGS=%CMAKE_ARGS% -DCPPWINRT_VERSION=%CPPWINRT_VERSION%
if %FAST_BUILD%==1 set CMAKE_ARGS=%CMAKE_ARGS% -DFAST_BUILD=ON
set CMAKE_ARGS=%CMAKE_ARGS% -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
:: Figure out the platform
if "%Platform%"=="" echo ERROR: The init.cmd script must be run from a Visual Studio command window & exit /B 1
if "%Platform%"=="x86" (
set BITNESS=32
if %COMPILER%==clang set CFLAGS=-m32 & set CXXFLAGS=-m32
)
if "%Platform%"=="x64" set BITNESS=64
if "%BITNESS%"=="" echo ERROR: Unrecognized/unsupported platform %Platform% & exit /B 1
:: Set up the build directory
set BUILD_DIR=%BUILD_ROOT%\%COMPILER%%BITNESS%%BUILD_TYPE%
mkdir %BUILD_DIR% > NUL 2>&1
:: Run CMake
pushd %BUILD_DIR%
echo Using compiler....... %COMPILER%
echo Using linker......... %LINKER%
echo Using architecture... %Platform%
echo Using build type..... %BUILD_TYPE%
echo Using build root..... %CD%
echo.
cmake %CMAKE_ARGS% ..\..
popd
goto :eof