[issue25946] configure should pick /usr/bin/g++ automatically if present

[Paul Menzel]

Paul Menzel  added the comment:

I created https://bugs.python.org/issue44909.

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nosy: +pmenzel

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[issue25946] configure should pick /usr/bin/g++ automatically if present

[Irit Katriel]

Irit Katriel  added the comment:

Closing as 2.7 is past EOL and distutils is deprecated. Please create a new 
issue if you have a current problem with this.

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nosy: +iritkatriel
resolution:  -> out of date
stage:  -> resolved
status: open -> closed

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[issue25946] configure should pick /usr/bin/g++ automatically if present

[Karl Richter]

New submission from Karl Richter:

`./configure` both prints `checking for g++... no` and 

WARNING:

  By default, distutils will build C++ extension modules with "g++".
  If this is not intended, then set CXX on the configure command line.

if `/usr/bin/g++` is present and executable which doesn't seem to be 
constructive because it's quite common that one wants to use `/usr/bin/g++` as 
CXX compiler if available. In case incompatibilities exists with other C++ 
compilers there should a check and more detailed error message.

Furthermore the error message doesn't explain if a part of distutils won't be 
build because the message sounds like the C++ extension is built, but does it 
work without a C++ compiler?

Specifying `CXX` environment variable or `--with-cxx-main=/usr/bin/g++` 
`configure` option works fine.

experienced with 8a2e735 (on branch 2.7)

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components: Build
messages: 256977
nosy: krichter
priority: normal
severity: normal
status: open
title: configure should pick /usr/bin/g++ automatically if present
versions: Python 2.7

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