[issue20785] Missing symbols in Python27.lib (Windows 64bit)

Serhiy Storchaka added the comment: Python 2.7 is no longer supported. -- nosy: +serhiy.storchaka resolution: -> out of date stage: -> resolved status: open -> closed ___ Python tracker ___

[issue20785] Missing symbols in Python27.lib (Windows 64bit)

Alexey Pavlov added the comment: For peoples who interesting in supporting building Python with mingw-w64 compiler I can get some links. More than a year ago we start providing our own builds of Python 2.7+3.3 builded with mingw-w64 compiler. I'm developer of MSYS2 project - modern fork of Cyg

[issue20785] Missing symbols in Python27.lib (Windows 64bit)

Victor Lazzarini added the comment: I don't know how to patch the installer, but here are the commands for someone who does. You need gendef and dlltool, which should come with the standard mingw64 installation. >From python27.dll: $ gendef python27.dll $ dlltool --as-flags=--64 -m i386:x86-64

[issue20785] Missing symbols in Python27.lib (Windows 64bit)

Martin v. Löwis added the comment: If somebody would contribute a patch for msi.py that builds the file, and instructs me what tools I need installed, I'd be willing to include this in future releases (also for 2.7). -- ___ Python tracker

[issue20785] Missing symbols in Python27.lib (Windows 64bit)

Victor Lazzarini added the comment: That did the trick! Apparently we can't link to MSVC dlls http://sourceforge.net/apps/trac/mingw-w64/wiki/Answer%2064%20bit%20MSVC-generated%20x64%20.lib Creating a *.a fixes it. Thanks. -- ___ Python tracker

[issue20785] Missing symbols in Python27.lib (Windows 64bit)

Martin v. Löwis added the comment: I don't know how mingw64 is supposed to work, but going by the 32-bit mingw, you might have to create a libpython27.a first. -- nosy: +loewis ___ Python tracker _

[issue20785] Missing symbols in Python27.lib (Windows 64bit)

New submission from Victor Lazzarini: It appears various symbols are missing from Python27.lib, 64bit build. Here is a list of undefined symbols (from link errors): /debug/Opcodes && /c/mingw-builds/x64-4.8.1-posix-seh-rev5/mingw64/bin/gcc.exe -Wl,--add-stdcall-alias -shared -o ../py.dll -Wl,-