New submission from bapt <b...@freebsd.org>:

When building modules and trying to set the proper linker flags for the library 
runtime path, the detection of the compiler is wrong. the issue: 
https://bugs.python.org/issue20767 was showing the issue and imho badly fixed.

Clang behave like gcc regarding how it passes flags to the linker: -Wl,... so 
clang and gcc should be treated exactly the same way and no specific code 
should be added for FreeBSD

Here 
https://github.com/python/cpython/blob/master/Lib/distutils/unixccompiler.py#L237,
 it should accept both clang and gcc,

This block 
https://github.com/python/cpython/blob/master/Lib/distutils/unixccompiler.py#L230
 should be removed

The issue is not only on FreeBSD but on any system which compiler is clang. 
side note, the detection of gcc looks at first glance wrong, as on many system 
gcc is installed as cc sometime.

----------
components: Distutils
messages: 310275
nosy: bapt, dstufft, eric.araujo
priority: normal
severity: normal
status: open
title: Bad detection of clang
versions: Python 2.7, Python 3.4, Python 3.5, Python 3.6, Python 3.7, Python 3.8

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue32597>
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