Re: trouble installing 18.9.0

On 2019-02-05 16:26, Joe Smongeski wrote:

> I've been trying to install the latest Twisted 18.9.0 with pip install, 
> (using Oracle LInux 7.4),  but I'm getting compilation errors.  The 
> first one was:
> 
> src/twisted/test/raiser.c:4:20: fatal error: Python.h: No such file or 
> directory
> #include "Python.h"

This is usually addressed by installing a python3-dev package, or 
similar.  What did you do?

> I was able to work around that, but now I"m getting this error:
> 
> gcc -pthread -shared -Wl,-z,relro -g -L ./python3.6m 
> build/temp.linux-x86_64-3.6/src/twisted/test/raiser.o -L/usr/lib64 
> -LPYTHON3.6M -o 
> build/lib.linux-x86_64-3.6/twisted/test/raiser.cpython-36m-x86_64-linux-gnu.so
> /ETC/ALTERNATIVES/LD: CANNOT FIND -LPYTHON3.6M
> collect2: error: ld returned 1 exit status
> error: command 'gcc' failed with exit status 1
> 
> Since the compile is under the control of all the install scripts, I 
> can't determine where the linker is looking for "python36m".

The all caps `PYTHON3.6M` and `/ETC/ALTERNATIVES/LD: CANNOT FIND 
-LPYTHON3.6M` seem pretty weird to me.

It might be helpful to share a full transcript (prompts, commands, 
output) of the installation (including creating a virtualenv or venv, 
etc)

Cheers,
-kyle

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