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Date:	Thu, 10 Oct 2019 02:39:40 +0200
From:	Kai-Martin Knaak <kmk AT familieknaak DOT de>
To:	"Derek Stewart (derek AT q40 DOT de) [via geda-user AT delorie DOT com]"
	<geda-user AT delorie DOT com>
Subject:	Re: [geda-user] [ANNOUNCE] geda-gaf 1.10.0 released
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"Derek Stewart (derek AT q40 DOT de) [via geda-user AT delorie DOT com]"
<geda-user AT delorie DOT com> schrieb am  9. October 2019:

> checking for a Python interpreter with version >=3D 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...=20
> ${prefix}/lib/python2.7/dist-packages
> checking for python2 extension module directory...=20
> ${exec_prefix}/lib/python2.7/dist-packages
> checking for pkg-config... /usr/bin/pkg-config
> checking pkg-config is at least version 0.9.0... yes
> checking for PYTHON... no
> configure: error: Package requirements (python2 >=3D 2.7) were not met:
>=20
> No package 'python2' found

Probably, some dev packages are missing.

Debian and by extension Ubuntu likes to split projects into
complimentary packages. The main package ("foobar") most likely provides
just the binaries. Actual libraries are distributed as a separate
package e.g. ("libfoobar"). And yet another package contains *.h files
which are needed during the link stage of a build ("foobar-dev").

Python is a very modular project with lots of components. There are
quite a few dev packages associated with it. Fortunately, Debian
developers built the dedicated package "python-all-dev" that depends on=20
all of the actual dev packages. This meta package is supplied by Ubuntu,
too: https://packages.ubuntu.com/bionic/python-all-dev

Do you have the meta package installed?

---<)kaimartin(>---

PS: Minor rant -- Configure had me scratching my head more than once. In
situations like these. Wouldn't it be possible to include the file names
configure was testing for in the error message?=20

--=20
Kai-Martin Knaak
Email: kmk AT familieknaak DOT de
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