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From: karl AT aspodata DOT se
To: geda-user AT delorie DOT com
Subject: [geda-user] geda-gaf, python2 not found
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Message-Id: <20180308104827.CA0F4807DEB9@turkos.aspodata.se>
Date: Thu,  8 Mar 2018 11:48:27 +0100 (CET)
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Reply-To: geda-user AT delorie DOT com

 The configure script says it finds python2 and the it says not found.

$ cd /Net/git/geda-gaf
$ git pull 
Already up to date.
Current branch master is up to date.
$ ./configure 
...
checking for a Python interpreter with version >= 2.7... python2
checking for python2... /usr/bin/python2
checking for python2 version... 2.7
checking for python2 platform... linux2
checking for python2 script directory... ${prefix}/lib64/python2.7/site-packages
checking for python2 extension module directory... ${exec_prefix}/lib64/python2.7/site-packages
checking for python2 >= 2.7... no
configure: error: Package requirements (python2 >= 2.7) were not met:

No package 'python2' found

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively, you may set the environment variables PYTHON_CFLAGS
and PYTHON_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.
configure: error: ./configure failed for xorn

$ python2.7 -V
Python 2.7.14
$ /usr/bin/python2 -V
Python 2.7.14

Looking in xorn/configure.ac I find:
    AM_PATH_PYTHON([2.7])
    PKG_CHECK_MODULES([PYTHON], [python2 >= 2.7])

I have /usr/lib64/pkgconfig/python-2.7.pc, and
$ pkg-config --cflags --libs python-2.7
-I/usr/include/python2.7 -lpython2.7
$

Doning
# ln -s /usr/lib64/pkgconfig/python-2.7.pc /usr/local/lib/pkgconfig/python2.pc
makes configure work, so there is a name confusion going on:
python2    configure.ac
python2.7  binary
python-2.7 pkg-config

What is the best way to solve this?

Regards,
/Karl Hammar

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