'emerge' fails with: ... root@impala:/root(103)# emerge --update --newuse --deep --with-bdeps=y --exclude shogun @world Calculating dependencies... done! [ebuild R ] sci-mathematics/polybori-0.8.3-r1 PYTHON_SINGLE_TARGET="-python2_7*" [ebuild U *] sci-biology/bioperl-9999-r1 [1.6.9] ... dev-python/pexpect:0 (dev-python/pexpect-3.3:0/0::gentoo, ebuild scheduled for merge) conflicts with >=dev-python/pexpect-2.0[python_targets_python2_7] required by (dev-python/sympy-0.7.4.1:0/0::gentoo, installed) ... The following USE changes are necessary to proceed: (see "package.use" in the portage(5) man page for more details) # required by sci-mathematics/sage-6.2::sage-on-gentoo # required by @selected # required by @world (argument) >=sci-mathematics/polybori-0.8.3-r1 -python_single_target_python2_7 If I add "sci-mathematics/polybori sage -python_single_target_python2_7" to /etc/portage/packages.use, 'emerge' fails with: >>> Emerging (1 of 6) sci-mathematics/polybori-0.8.3-r1::sage-on-gentoo * polybori-0.8.3.tar.gz SHA256 SHA512 size ;-) ... [ ok ] * No Python implementation selected for the build. Please set * the PYTHON_SINGLE_TARGET variable in your make.conf to one * of the following values: * * python2_7 * ERROR: sci-mathematics/polybori-0.8.3-r1::sage-on-gentoo failed (setup phase): * No supported Python implementation in PYTHON_SINGLE_TARGET. root@impala:/root(106)# eselect python list Available Python interpreters: [1] python2.7 * [2] python3.3 [3] python3.4
It works now with and without -python_single_target_python2_7 USE flag.
(In reply to Juergen Rose from comment #1) > It works now with and without -python_single_target_python2_7 USE flag. So, it's fixed?
That was teething problems with python-r1, it should be fixed.