[vbox-dev] [PATCH] support for newer python

Larry Finger Larry.Finger at lwfinger.net
Wed Dec 4 16:52:22 UTC 2019


On 10/21/19 1:56 PM, Sérgio Basto wrote:
> On Thu, 2019-10-17 at 13:30 +0200, Frank Batschulat wrote:
>> Gianfranco, I have a couple of pylint related changes pending
>> so I'll pick this one up and add it to the pylint changes.
> 
> With Fedora rawhide which have Python 3.8-rc1, VBoxPython3*.so is not
> build , how I can debug this problem and find what VBox is missing ?
> 
> Thanks.
> 
>> On 17.10.19 12:52, Gianfranco Costamagna wrote:
>>> Hello, this patch was scheduled for merging some time ago, but
>>> never hit newer releases...Can you please give another try?
>>> MIT licensed, as usual
>>> Description: add python 3.7m as a supported version
>>> Author: Michael Hudson-Doyle <michael.hudson at ubuntu.com>
>>> Origin: vendor
>>> Last-Update: 2018-07-12
>>> ---
>>> This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
>>> --- a/configure
>>> +++ b/configure
>>> @@ -1982,7 +1982,7 @@
>>>    }
>>>    EOF
>>>      found=
>>> -  SUPPYTHONLIBS="python2.7 python2.6 python3.1 python3.2 python3.3
>>> python3.4 python3.4m python3.5 python3.5m python3.6 python3.6m"
>>> +  SUPPYTHONLIBS="python2.7 python2.6 python3.1 python3.2 python3.3
>>> python3.4 python3.4m python3.5 python3.5m python3.6 python3.6m
>>> python3.7 python3.7m python3.8 python3.8m"
>>>      for p in $PYTHONDIR; do
>>>        for d in $SUPPYTHONLIBS; do
>>>          for b in lib/x86_64-linux-gnu lib/i386-linux-gnu lib64
>>> lib/64 lib; do

I also had the problem of a failure to build VBoxPython3*.so with Python 3.8. 
With the following MIT-licensed patches, the build worked:

Index: VirtualBox-6.0.14/src/libs/xpcom18a4/python/Makefile.kmk
===================================================================
--- VirtualBox-6.0.14.orig/src/libs/xpcom18a4/python/Makefile.kmk
+++ VirtualBox-6.0.14/src/libs/xpcom18a4/python/Makefile.kmk
@@ -26,7 +26,7 @@ endif

  #
  # List of supported Python versions, defining a number of
-# VBOX_PYTHON[26|27|31|32|32M|33|33M|34|34M|35|35M|36|36M|37|37M|DEF]_[INC|LIB] 
variables
+# 
VBOX_PYTHON[26|27|31|32|32M|33|33M|34|34M|35|35M|36|36M|37|37M|38|38M|DEF]_[INC|LIB] 
variables
  # which get picked up below.
  #
  ifeq ($(KBUILD_TARGET),darwin) # Relatively predictable, don't script.
@@ -486,6 +486,52 @@ VBoxPython3_7m_x86_LIBS       = $(VBOX_P
    endif
   endif
  endif
+
+ifdef VBOX_PYTHON38_INC
+#
+# Python 3.8 version
+#
+DLLS += VBoxPython3_8
+VBoxPython3_8_EXTENDS    = VBoxPythonBase
+VBoxPython3_8_EXTENDS_BY = appending
+VBoxPython3_8_TEMPLATE   = XPCOM
+VBoxPython3_8_INCS       = $(VBOX_PYTHON38_INC)
+VBoxPython3_8_LIBS       = $(VBOX_PYTHON38_LIB)
+
+ ifdef VBOX_WITH_32_ON_64_MAIN_API
+  ifdef VBOX_PYTHON38_LIB_X86
+DLLS += VBoxPython3_8_x86
+VBoxPython3_8_x86_EXTENDS    = VBoxPythonBase_x86
+VBoxPython3_8_x86_EXTENDS_BY = appending
+VBoxPython3_8_x86_TEMPLATE   = XPCOM
+VBoxPython3_8_x86_INCS       = $(VBOX_PYTHON38_INC)
+VBoxPython3_8_x86_LIBS       = $(VBOX_PYTHON38_LIB_X86)
+  endif
+ endif
+endif
+
+ifdef VBOX_PYTHON38M_INC
+#
+# Python 3.8 version with pymalloc
+#
+DLLS += VBoxPython3_8m
+VBoxPython3_8m_EXTENDS    = VBoxPythonBase_m
+VBoxPython3_8m_EXTENDS_BY = appending
+VBoxPython3_8m_TEMPLATE   = XPCOM
+VBoxPython3_8m_INCS       = $(VBOX_PYTHON38M_INC)
+VBoxPython3_8m_LIBS       = $(VBOX_PYTHON38M_LIB)
+
+ ifdef VBOX_WITH_32_ON_64_MAIN_API
+  ifdef VBOX_PYTHON38M_LIB_X86
+DLLS += VBoxPython3_8m_x86
+VBoxPython3_8m_x86_EXTENDS    = VBoxPythonBase_x86_m
+VBoxPython3_8m_x86_EXTENDS_BY = appending
+VBoxPython3_8m_x86_TEMPLATE_   = XPCOM
+VBoxPython3_8m_x86_INCS       = $(VBOX_PYTHON38M_INC)
+VBoxPython3_8m_x86_LIBS       = $(VBOX_PYTHON38M_LIB_X86)
+  endif
+ endif
+endif

  ifdef VBOX_PYTHONDEF_INC
  #
Index: VirtualBox-6.0.14/src/libs/xpcom18a4/python/gen_python_deps.py
===================================================================
--- VirtualBox-6.0.14.orig/src/libs/xpcom18a4/python/gen_python_deps.py
+++ VirtualBox-6.0.14/src/libs/xpcom18a4/python/gen_python_deps.py
@@ -16,7 +16,7 @@ from __future__ import print_function
  import os,sys
  from distutils.version import StrictVersion

-versions = ["2.6", "2.7", "3.1", "3.2", "3.2m", "3.3", "3.3m", "3.4", "3.4m", 
"3.5", "3.5m", "3.6", "3.6m", "3.7", "3.7m"]
+versions = ["2.6", "2.7", "3.1", "3.2", "3.2m", "3.3", "3.3m", "3.4", "3.4m", 
"3.5", "3.5m", "3.6", "3.6m", "3.7", "3.7m", "3.8", "3.8m"]
  prefixes = ["/usr", "/usr/local", "/opt", "/opt/local"]
  known = {}


Larry




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