On 12/27/2018 02:20 AM, Pierre Labastie via blfs-dev wrote:
Hi,
ATM, the book stipulates that Python2 is required for LLVM. But I've been able
to build and test LLVM-7.0.1 with only Python3 installed on the system: only
11 tests out of more than 33000 fail, and missing python(2) seems to lead to
only 2 failures out of 11.
I've not tried to build the doc, but since sphinx is Python3 compatible, I
guess this should not be a problem.
The only reason to want Python2 for llvm are the tools: a lot of programs in
the utils directory still have #!/usr/bin/env python (or python2.7).
So I want to change Python2 to "optional (run-time, for using some tools)". Is
it OK with you?
Before I went on my short vacation, I updated llvm to version 7.0.1. I
was doing some updates on my laptop also in addition to my regular
development system and built it without P2. I intended to move P2 to
optional. I just missed it.
I was thinking about adding a comment that it is not used if P3 is
present. Is there something you know about in llvm that explicitly
needs P2?
-- Bruce
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