vcpkg/ports/python2/001-build-msvc.patch

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2018-08-02 05:20:00 +08:00
From 4988ea4f4ce6af0b567e6a2dc2c23aaf7cc5f12d Mon Sep 17 00:00:00 2001
From: Jean-Christophe Fillion-Robin <jchris.fillionr@kitware.com>
Date: Mon, 31 Jul 2017 10:59:47 -0400
Subject: [PATCH 1/3] VS2010 Support: Backport "Fix #13210. Port the Windows
build from VS2008 to VS2010."
This commit is a partial backport of python/cpython@401f9f3. It was
originally designed to work with python-cmake-buildsystem.
The following modules have NOT been backported:
* Tools/msi
* Tools/buildbot
* PCBuild
---
Lib/distutils/command/build_ext.py | 2 +-
Lib/distutils/msvc9compiler.py | 11 ++++++-----
PC/dl_nt.c | 11 ++++++++++-
PC/msvcrtmodule.c | 15 ++++++++++++++-
PC/pyconfig.h | 9 +++++++--
Python/dynload_win.c | 8 ++++++++
6 files changed, 46 insertions(+), 10 deletions(-)
diff --git a/Lib/distutils/command/build_ext.py b/Lib/distutils/command/build_ext.py
index 2c68be3..f1d184b 100644
--- a/Lib/distutils/command/build_ext.py
+++ b/Lib/distutils/command/build_ext.py
@@ -193,7 +193,7 @@ class build_ext (Command):
# Append the source distribution include and library directories,
# this allows distutils on windows to work in the source tree
self.include_dirs.append(os.path.join(sys.exec_prefix, 'PC'))
- if MSVC_VERSION == 9:
+ if MSVC_VERSION >= 9:
# Use the .lib files for the correct architecture
if self.plat_name == 'win32':
suffix = ''
diff --git a/Lib/distutils/msvc9compiler.py b/Lib/distutils/msvc9compiler.py
index 33d3e51..f6de11c 100644
--- a/Lib/distutils/msvc9compiler.py
+++ b/Lib/distutils/msvc9compiler.py
@@ -662,11 +662,12 @@ class MSVCCompiler(CCompiler) :
if mfinfo is not None:
mffilename, mfid = mfinfo
out_arg = '-outputresource:%s;%s' % (output_filename, mfid)
- try:
- self.spawn(['mt.exe', '-nologo', '-manifest',
- mffilename, out_arg])
- except DistutilsExecError, msg:
- raise LinkError(msg)
+ if self.__version < 10:
+ try:
+ self.spawn(['mt.exe', '-nologo', '-manifest',
+ temp_manifest, out_arg])
+ except PackagingExecError as msg:
+ raise LinkError(msg)
else:
log.debug("skipping %s (up-to-date)", output_filename)
diff --git a/PC/dl_nt.c b/PC/dl_nt.c
index ef1ce09..5ff07fd 100644
--- a/PC/dl_nt.c
+++ b/PC/dl_nt.c
@@ -18,7 +18,8 @@ char dllVersionBuffer[16] = ""; // a private buffer
HMODULE PyWin_DLLhModule = NULL;
const char *PyWin_DLLVersionString = dllVersionBuffer;
-// Windows "Activation Context" work:
+#if HAVE_SXS
+// Windows "Activation Context" work.
// Our .pyd extension modules are generally built without a manifest (ie,
// those included with Python and those built with a default distutils.
// This requires we perform some "activation context" magic when loading our
@@ -29,6 +30,8 @@ const char *PyWin_DLLVersionString = dllVersionBuffer;
// As an added complication, this magic only works on XP or later - we simply
// use the existence (or not) of the relevant function pointers from kernel32.
// See bug 4566 (http://python.org/sf/4566) for more details.
+// In Visual Studio 2010, side by side assemblies are no longer used by
+// default.
typedef BOOL (WINAPI * PFN_GETCURRENTACTCTX)(HANDLE *);
typedef BOOL (WINAPI * PFN_ACTIVATEACTCTX)(HANDLE, ULONG_PTR *);
@@ -76,6 +79,8 @@ void _Py_DeactivateActCtx(ULONG_PTR cookie)
OutputDebugString("Python failed to de-activate the activation context\n");
}
+#endif /* HAVE_SXS */
+
BOOL WINAPI DllMain (HANDLE hInst,
ULONG ul_reason_for_call,
LPVOID lpReserved)
@@ -87,17 +92,21 @@ BOOL WINAPI DllMain (HANDLE hInst,
// 1000 is a magic number I picked out of the air. Could do with a #define, I spose...
LoadString(hInst, 1000, dllVersionBuffer, sizeof(dllVersionBuffer));
+#if HAVE_SXS
// and capture our activation context for use when loading extensions.
_LoadActCtxPointers();
if (pfnGetCurrentActCtx && pfnAddRefActCtx)
if ((*pfnGetCurrentActCtx)(&PyWin_DLLhActivationContext))
if (!(*pfnAddRefActCtx)(PyWin_DLLhActivationContext))
OutputDebugString("Python failed to load the default activation context\n");
+#endif
break;
case DLL_PROCESS_DETACH:
+#if HAVE_SXS
if (pfnReleaseActCtx)
(*pfnReleaseActCtx)(PyWin_DLLhActivationContext);
+#endif
break;
}
return TRUE;
diff --git a/PC/msvcrtmodule.c b/PC/msvcrtmodule.c
index 44c82e4..68928dd 100644
--- a/PC/msvcrtmodule.c
+++ b/PC/msvcrtmodule.c
@@ -25,6 +25,8 @@
#ifdef _MSC_VER
#if _MSC_VER >= 1500 && _MSC_VER < 1600
#include <crtassem.h>
+#elif _MSC_VER >= 1600
+#include <crtversion.h>
#endif
#endif
@@ -398,7 +400,7 @@ PyMODINIT_FUNC
initmsvcrt(void)
{
int st;
- PyObject *d;
+ PyObject *d, *version;
PyObject *m = Py_InitModule("msvcrt", msvcrt_functions);
if (m == NULL)
return;
@@ -412,6 +414,7 @@ initmsvcrt(void)
insertint(d, "LK_UNLCK", _LK_UNLCK);
/* constants for the crt versions */
+ (void)st;
#ifdef _VC_ASSEMBLY_PUBLICKEYTOKEN
st = PyModule_AddStringConstant(m, "VC_ASSEMBLY_PUBLICKEYTOKEN",
_VC_ASSEMBLY_PUBLICKEYTOKEN);
@@ -427,4 +430,14 @@ initmsvcrt(void)
__LIBRARIES_ASSEMBLY_NAME_PREFIX);
if (st < 0)return;
#endif
+
+/* constants for the 2010 crt versions */
+#if defined(_VC_CRT_MAJOR_VERSION) && defined (_VC_CRT_MINOR_VERSION) && defined(_VC_CRT_BUILD_VERSION) && defined(_VC_CRT_RBUILD_VERSION)
+ version = PyUnicode_FromFormat("%d.%d.%d.%d", _VC_CRT_MAJOR_VERSION,
+ _VC_CRT_MINOR_VERSION,
+ _VC_CRT_BUILD_VERSION,
+ _VC_CRT_RBUILD_VERSION);
+ st = PyModule_AddObject(m, "CRT_ASSEMBLY_VERSION", version);
+ if (st < 0) return NULL;
+#endif
}
diff --git a/PC/pyconfig.h b/PC/pyconfig.h
index 5d1c90a..b60af1e 100644
--- a/PC/pyconfig.h
+++ b/PC/pyconfig.h
@@ -231,14 +231,19 @@ typedef int pid_t;
#define hypot _hypot
#endif
-#endif /* _MSC_VER */
+/* Side by Side assemblies supported in VS 2005 and VS 2008 but not 2010*/
+#if _MSC_VER >= 1400 && _MSC_VER < 1600
+#define HAVE_SXS 1
+#endif
/* define some ANSI types that are not defined in earlier Win headers */
-#if defined(_MSC_VER) && _MSC_VER >= 1200
+#if _MSC_VER >= 1200
/* This file only exists in VC 6.0 or higher */
#include <basetsd.h>
#endif
+#endif /* _MSC_VER */
+
/* ------------------------------------------------------------------------*/
/* The Borland compiler defines __BORLANDC__ */
/* XXX These defines are likely incomplete, but should be easy to fix. */
diff --git a/Python/dynload_win.c b/Python/dynload_win.c
index 4e5555e..8626642 100644
--- a/Python/dynload_win.c
+++ b/Python/dynload_win.c
@@ -12,8 +12,10 @@
#include <windows.h>
// "activation context" magic - see dl_nt.c...
+#if HAVE_SXS
extern ULONG_PTR _Py_ActivateActCtx();
void _Py_DeactivateActCtx(ULONG_PTR cookie);
+#endif
const struct filedescr _PyImport_DynLoadFiletab[] = {
#ifdef _DEBUG
@@ -176,7 +178,9 @@ dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
char pathbuf[260];
LPTSTR dummy;
unsigned int old_mode;
+#if HAVE_SXS
ULONG_PTR cookie = 0;
+#endif
/* We use LoadLibraryEx so Windows looks for dependent DLLs
in directory of pathname first. However, Windows95
can sometimes not work correctly unless the absolute
@@ -190,11 +194,15 @@ dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
sizeof(pathbuf),
pathbuf,
&dummy)) {
+#if HAVE_SXS
ULONG_PTR cookie = _Py_ActivateActCtx();
+#endif
/* XXX This call doesn't exist in Windows CE */
hDLL = LoadLibraryEx(pathname, NULL,
LOAD_WITH_ALTERED_SEARCH_PATH);
+#if HAVE_SXS
_Py_DeactivateActCtx(cookie);
+#endif
}
/* restore old error mode settings */
--
2.5.0