Re: Install error: missing rational.py

[Jonas Hahnfeld]

Am Sonntag, den 05.04.2020, 13:21 -0600 schrieb Colin Campbell:
> Pulled from master this morning. Compiled without apparent error. 
> Install choked as below. Deleted /build, re-ran autogen.sh, mkdir build, 
> cd build, ../configure and re-compiled, again without apparent error.
> 
> ***************************************
> 
> colin@Sherlock build]$ sudo make install
> [sudo] password for colin:
> Traceback (most recent call last):
>    File "/home/colin/lilypond-git/build/scripts/build/out/install", line 
> 77, in <module>
>      shutil.copy2 (f, dest)
>    File "/usr/lib64/python3.7/shutil.py", line 266, in copy2
>      copyfile(src, dst, follow_symlinks=follow_symlinks)
>    File "/usr/lib64/python3.7/shutil.py", line 120, in copyfile
>      with open(src, 'rb') as fsrc:
> FileNotFoundError: [Errno 2] No such file or directory: 'rational.py'
> make[1]: *** 
> [/home/colin/lilypond-git/build/../stepmake/stepmake/install-out-targets.make:9:
>  
> local-install-outfiles] Error 1
> make: *** 
> [/home/colin/lilypond-git/build/../stepmake/stepmake/toplevel-targets.make:27:
>  
> install] Error 2

I guess this is ab7a344f68 ("Cleanup python/ build rules.") together
with out-of-tree builds. It's not really clear to me whether we should
install the .py files from source or the ones in python/out/. Han-Wen,
why do we have both? Using out/ as before would have the advantage that
we don't clutter the source dir with __pycache__/ stuff...

Jonas

P.S. Note that this will very likely also breaks GUB. If we don't
release 2.21.0 very soon, it looks like we will never be able to with
all the issues that get introduced to master.

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