On 12/16/20 11:34 AM, Miles Malone wrote:
What's happening when you do emerge -avuDN --with-bdeps=y
--backtrack=100 @world ?  Giving portage the flexibility to solve it
with some extra backtracking and increasing the scope to world might
fix it, if not then we can revisit it?


I don't remember if I've tried that combination, I'll do so now.


... you include -a.  Under what situation might I respond to the prompt
with 'no'?




On Wed, 16 Dec 2020 at 20:24, n952162 <n952...@web.de> wrote:
In an update with several slot collisions (see attachment),  I'm zero-ing in on 
the simplest, where a package is to be replaced by the same package, but with 
different PYTHON_TARGETS (at least, that's how I interpret it).

Is there a way to force the PYTHON_TARGETS of the dependency?

Slot collision:

dev-python/jinja:0

   (dev-python/jinja-2.11.2-r1:0/0::gentoo, ebuild scheduled for merge) USE="-doc -examples -test" 
ABI_X86="(64)" PYTHON_TARGETS="python3_8 python3_9 (-pypy3) -python3_6 -python3_7" pulled 
in by
     dev-python/jinja[python_targets_python3_9(-),python_single_target_python3_9(+)] required by 
(sys-auth/pambase-20201103:0/0::gentoo, ebuild scheduled for merge) USE="nullok passwdqc 
sha512 -caps -debug -elogind -gnome-keyring -minimal -mktemp -pam_krb5 -pam_ssh -pwhistory 
-pwquality -securetty (-selinux) -systemd" ABI_X86="(64)"


     dev-python/jinja (Argument)

   (dev-python/jinja-2.11.2-r1:0/0::gentoo, installed) USE="-doc -examples -test" 
ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 -python3_8 -python3_9" 
pulled in by
     
dev-python/jinja[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/sphinx-3.2.1:0/0::gentoo, installed) USE="-doc -latex -test" 
ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 -python3_8 -python3_9"

If the package was good enough before, it's likely still good enough.  Where's 
the problem?  I've (unsuccessfully) made these attempts:

# */* PYTHON_TARGETS: python3_6 python3_7 python3_8 python3_9
#*/* PYTHON_TARGETS: -python3_6 -python3_7 python3_8 python3_9
# just have one set
*/* PYTHON_TARGETS: python3_8

The sphinx ebuild has no targets, but does have this:

PYTHON_COMPAT=( python3_{6..9} pypy3 )

The emerge command was:

sudo emerge --verbose=y -vuUD   --verbose-conflicts   dev-python/setuptools 
dev-python/setuptools_scm dev-python/certifi dev-python/markupsafe 
dev-python/jinja dev-libs/libxml2



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