Issue #25348: Add --pgo and --pgo-job flags to PCbuild\build.bat

1 files changed, 52 insertions, 5 deletions

diff --git a/PCbuild/build.bat b/PCbuild/build.bat
index cfbc4a2937..88b1f060ab 100644
--- a/PCbuild/build.bat
+++ b/PCbuild/build.bat
@@ -25,6 +25,9 @@ echo.  -M  Disable parallel build
 echo.  -v  Increased output messages

 echo.  -k  Attempt to kill any running Pythons before building (usually done

 echo.      automatically by the pythoncore project)

+echo.  --pgo          Build with Profile-Guided Optimization.  This flag

+echo.                 overrides -c and -d

+echo.  --test-marker  Enable the test marker within the build.

 echo.

 echo.Available flags to avoid building certain modules.

 echo.These flags have no effect if '-e' is not given:

@@ -38,7 +41,8 @@ echo.  -p x64 ^| Win32
 echo.     Set the platform (default: Win32)

 echo.  -t Build ^| Rebuild ^| Clean ^| CleanAll

 echo.     Set the target manually

-echo.  --test-marker  Enable the test marker within the build.

+echo.  --pgo-job  The job to use for PGO training; implies --pgo

+echo.             (default: "-m test --pgo")

 exit /b 127

 

 :Run

@@ -51,6 +55,12 @@ set dir=%~dp0
 set parallel=/m

 set verbose=/nologo /v:m

 set kill=

+set do_pgo=

+set pgo_job=-m test --pgo

+set on_64_bit=true

+

+rem This may not be 100% accurate, but close enough.

+if "%ProgramFiles(x86)%"=="" (set on_64_bit=false)

 

 :CheckOpts

 if "%~1"=="-h" goto Usage

@@ -63,6 +73,8 @@ if "%~1"=="-m" (set parallel=/m) & shift & goto CheckOpts
 if "%~1"=="-M" (set parallel=) & shift & goto CheckOpts

 if "%~1"=="-v" (set verbose=/v:n) & shift & goto CheckOpts

 if "%~1"=="-k" (set kill=true) & shift & goto CheckOpts

+if "%~1"=="--pgo" (set do_pgo=true) & shift & goto CheckOpts

+if "%~1"=="--pgo-job" (set do_pgo=true) & (set pgo_job=%~2) & shift & shift & goto CheckOpts

 if "%~1"=="--test-marker" (set UseTestMarker=true) & shift & goto CheckOpts

 if "%~1"=="-V" shift & goto Version

 rem These use the actual property names used by MSBuild.  We could just let

@@ -78,15 +90,49 @@ if "%IncludeTkinter%"=="" set IncludeTkinter=true
 

 if "%IncludeExternals%"=="true" call "%dir%get_externals.bat"

 

-if "%platf%"=="x64" (set vs_platf=x86_amd64)

+if "%platf%"=="x64" (

+    if "%on_64_bit%"=="true" (

+        rem This ought to always be correct these days...

+        set vs_platf=amd64

+    ) else (

+        if "%do_pgo%"=="true" (

+            echo.ERROR: Cannot cross-compile with PGO

+            echo.    32bit operating system detected, if this is incorrect,

+            echo.    make sure the ProgramFiles(x86^) environment variable is set

+            exit /b 1

+        )

+        set vs_platf=x86_amd64

+    )

+)

 

 rem Setup the environment

 call "%dir%env.bat" %vs_platf% >nul

 

-if "%kill%"=="true" (

-    msbuild /v:m /nologo /target:KillPython "%dir%\pythoncore.vcxproj" /p:Configuration=%conf% /p:Platform=%platf% /p:KillPython=true

+if "%kill%"=="true" call :Kill

+

+if "%do_pgo%"=="true" (

+    set conf=PGInstrument

+    call :Build

+    del /s "%dir%\*.pgc"

+    del /s "%dir%\..\Lib\*.pyc"

+    echo on

+    call "%dir%\..\python.bat" %pgo_job%

+    @echo off

+    call :Kill

+    set conf=PGUpdate

 )

+goto Build

 

+:Kill

+echo on

+msbuild "%dir%\pythoncore.vcxproj" /t:KillPython %verbose%^

+ /p:Configuration=%conf% /p:Platform=%platf%^

+ /p:KillPython=true

+

+@echo off

+goto :eof

+

+:Build

 rem Call on MSBuild to do the work, echo the command.

 rem Passing %1-9 is not the preferred option, but argument parsing in

 rem batch is, shall we say, "lackluster"

@@ -98,7 +144,8 @@ msbuild "%dir%pcbuild.proj" /t:%target% %parallel% %verbose%^
  /p:UseTestMarker=%UseTestMarker%^

  %1 %2 %3 %4 %5 %6 %7 %8 %9

 

-@goto :eof

+@echo off

+goto :eof

 

 :Version

 rem Display the current build version information