[Mesa-dev] [Bug 110565] scons-3 breaks libgl-xlib build

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110565

            Bug ID: 110565
           Summary: scons-3 breaks libgl-xlib build
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Other
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: freedesktop at volker-wegert.de
        QA Contact: mesa-dev at lists.freedesktop.org

Scons has been upgraded from 2.1.5 to 3.0.4 on my Gentoo system. After that,
building libgl-xlib no longer worked; errors were

scons: Reading SConscript files ...
TypeError: a bytes-like object is required, not 'str':
  File "/var/tmp/portage/media-libs/mesa-18.3.6/work/mesa-18.3.6/SConstruct",
line 47:
    ENV = os.environ,
  File "/usr/lib64/python3.6/site-packages/SCons/Environment.py", line 982:
    apply_tools(self, tools, toolpath)
  File "/usr/lib64/python3.6/site-packages/SCons/Environment.py", line 107:
    env.Tool(tool)
  File "/usr/lib64/python3.6/site-packages/SCons/Environment.py", line 1789:
    tool(self)
  File "/usr/lib64/python3.6/site-packages/SCons/Tool/__init__.py", line 296:
    self.generate(env, *args, **kw)
  File
"/var/tmp/portage/media-libs/mesa-18.3.6/work/mesa-18.3.6/scons/gallium.py",
line 219:
    env['gcc_compat'] = check_cc(env, 'GCC', 'defined(__GNUC__)')
  File
"/var/tmp/portage/media-libs/mesa-18.3.6/work/mesa-18.3.6/scons/gallium.py",
line 135:
    source.write('#if !(%s)\n#error\n#endif\n' % expr)
  File "/usr/lib64/python3.6/tempfile.py", line 483:
    return func(*args, **kwargs)
Checking for GCC ... 

I've been told to report this upstream since apparently this is an issue with
the scons files. 
For reference, the Gentoo bug is https://bugs.gentoo.org/684790

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