hhb added inline comments.
================
Comment at: lldb/scripts/get_relative_lib_dir.py:26
split_libdir = arch_specific_libdir.split(os.sep)
- lib_re = re.compile(r"^lib.+$")
+ lib_re = re.compile(r"^lib.*$")
----------------
mgorny wrote:
> hhb wrote:
> > mgorny wrote:
> > > hhb wrote:
> > > > If we go this way, should we always use LLDB_PYTHON_RELATIVE_LIBDIR in
> > > > ScriptInterpreterPython.cpp, and add some code to make sure it is
> > > > defined? Because all assumption of the path can be wrong.
> > > >
> > > > After the change here, I think POSIX will always use
> > > > LLDB_PYTHON_RELATIVE_LIBDIR. But for windows, the path is still hard
> > > > coded to lib/site-packages.
> > > >
> > > > (maybe finishSwigPythonLLDB.py / make_symlink() can also be updated to
> > > > use os.path.relpath? )
> > > Actually, I think we can kill all this logic by simply passing `''` as
> > > prefix, as I did in the CMake part.
> > I'm not sure. On my machine:
> >
> > $ python3
> > Python 3.6.8 (default, Jan 3 2019, 03:42:36)
> > [GCC 8.2.0] on linux
> > Type "help", "copyright", "credits" or "license" for more information.
> > \>>> import distutils.sysconfig
> > \>>> distutils.sysconfig.get_python_lib(True, False)
> > '/usr/lib/python3/dist-packages'
> > \>>> distutils.sysconfig.get_python_lib(True, False, '')
> > 'lib/python3/dist-packages'
> > \>>> distutils.sysconfig.get_python_lib(True, False, '/src/lib')
> > '/src/lib/lib/python3.6/site-packages'
> >
> Hm, that's interesting. The documentation says:
>
> > If 'prefix' is supplied, use it instead of sys.base_prefix or
> > sys.base_exec_prefix -- i.e., ignore 'plat_specific'.
>
> So apparently first arg being true is meaningless then. Maybe we should go
> for `get_python_lib(False, False, '')`?
Well I checked the code. plat_specific IS ignored. But it will test whether
prefix "is default".
```
is_default_prefix = not prefix or os.path.normpath(prefix) in ('/usr',
'/usr/local')
```
And do things differently based on that. Sigh..
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D67890/new/
https://reviews.llvm.org/D67890
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