diff --git a/Lib/distutils/msvc9compiler.py b/Lib/distutils/msvc9compiler.py index 6455fffa1f6..15425d71942 100644 --- a/Lib/distutils/msvc9compiler.py +++ b/Lib/distutils/msvc9compiler.py @@ -37,9 +37,18 @@ winreg.HKEY_LOCAL_MACHINE, winreg.HKEY_CLASSES_ROOT) -VS_BASE = r"Software\Microsoft\VisualStudio\%0.1f" -WINSDK_BASE = r"Software\Microsoft\Microsoft SDKs\Windows" -NET_BASE = r"Software\Microsoft\.NETFramework" +NATIVE_WIN64 = (sys.platform == 'win32' and sys.maxsize > 2**32) +if NATIVE_WIN64: + # Visual C++ is a 32-bit application, so we need to look in + # the corresponding registry branch, if we're running a + # 64-bit Python on Win64 + VS_BASE = r"Software\Wow6432Node\Microsoft\VisualStudio\%0.1f" + WINSDK_BASE = r"Software\Wow6432Node\Microsoft\Microsoft SDKs\Windows" + NET_BASE = r"Software\Wow6432Node\Microsoft\.NETFramework" +else: + VS_BASE = r"Software\Microsoft\VisualStudio\%0.1f" + WINSDK_BASE = r"Software\Microsoft\Microsoft SDKs\Windows" + NET_BASE = r"Software\Microsoft\.NETFramework" # A map keyed by get_platform() return values to values accepted by # 'vcvarsall.bat'. Note a cross-compile may combine these (eg, 'x86_amd64' is diff --git a/Misc/NEWS b/Misc/NEWS index 3d109f1569a..550dda30a2c 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -1441,6 +1441,8 @@ Extension Modules Build ----- +- Issue #8854: Fix finding Visual Studio 2008 on Windows x64. + - Issue #1759169, #8864: Drop _XOPEN_SOURCE on Solaris, define it for multiprocessing only.