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Revise the bootstrapping notes

This commit is contained in:
Petr Viktorin 2017-08-17 09:41:37 +02:00
parent 0c74e11532
commit 59c11e6706
1 changed files with 16 additions and 12 deletions
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python3.spec
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@ -66,17 +66,23 @@ License: Python
# Notes from bootstraping Python 3.6
# ==================================
#
# New Python major version (3.X) break ABI and bytecode compatibility,
# so all packages depending on it need to be rebuilt.
#
# Due to a dependency cycle between Python, gdb, rpm, pip, setuptools, wheel,
# and other packages, in order to rebase Python 3 one has to build in the
# following order:
# and other packages, this isn't straightforward.
# Build in the following order:
#
# 1. At the same time:
# - gdb without python support (add %%global _without_python 1 on top of gdb's SPEC file)
# - gdb without python support (add %%global _without_python 1 on top of
# gdb's SPEC file)
# - python-rpm-generators with bootstrapping_python set to 1
# (this can be done also during step 2., but should be done before 3.)
# 2. python3 with rewheel set to 0
# 2. python3 without rewheel (use %%bcond_with rewheel instead of
# %%bcond_without)
# 3. At the same time:
# - gdb with python support (remove %%global _without_python 1 on top of gdb's SPEC file)
# - gdb with python support (remove %%global _without_python 1 on top of
# gdb's SPEC file)
# - python-rpm-generators with bootstrapping_python set to 0
# (this can be done at any later step without negative effects)
# 4. rpm
@ -86,15 +92,13 @@ License: Python
# 8. python-setuptools with bootstrap set to 0 and also with_check set to 0
# 9. python-pip with build_wheel set to 1
# 10. pyparsing
# 11. python3 with rewheel set to 1
# 11. python3 with rewheel
#
# Then the most important packages have to be built, starting from their
# various leaf dependencies recursively. After these have been built, a
# targeted rebuild should be requested for the rest.
#
# Currently these packages are recommended to have been built before a targeted
# rebuild after a python abi change:
# Then the most important packages have to be built, in dependency order.
# These were:
# python-sphinx, pytest, python-requests, cloud-init, dnf, anaconda, abrt
#
# After these have been built, a targeted rebuild should be done for the rest.
# =====================