Revise the bootstrapping notes
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python3.spec
28
python3.spec
@ -66,17 +66,23 @@ License: Python
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# Notes from bootstraping Python 3.6
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# Notes from bootstraping Python 3.6
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# ==================================
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# ==================================
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#
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#
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# New Python major version (3.X) break ABI and bytecode compatibility,
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# so all packages depending on it need to be rebuilt.
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#
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# Due to a dependency cycle between Python, gdb, rpm, pip, setuptools, wheel,
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# Due to a dependency cycle between Python, gdb, rpm, pip, setuptools, wheel,
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# and other packages, in order to rebase Python 3 one has to build in the
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# and other packages, this isn't straightforward.
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# following order:
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# Build in the following order:
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#
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#
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# 1. At the same time:
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# 1. At the same time:
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# - gdb without python support (add %%global _without_python 1 on top of gdb's SPEC file)
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# - gdb without python support (add %%global _without_python 1 on top of
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# gdb's SPEC file)
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# - python-rpm-generators with bootstrapping_python set to 1
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# - python-rpm-generators with bootstrapping_python set to 1
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# (this can be done also during step 2., but should be done before 3.)
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# (this can be done also during step 2., but should be done before 3.)
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# 2. python3 with rewheel set to 0
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# 2. python3 without rewheel (use %%bcond_with rewheel instead of
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# %%bcond_without)
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# 3. At the same time:
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# 3. At the same time:
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# - gdb with python support (remove %%global _without_python 1 on top of gdb's SPEC file)
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# - gdb with python support (remove %%global _without_python 1 on top of
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# gdb's SPEC file)
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# - python-rpm-generators with bootstrapping_python set to 0
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# - python-rpm-generators with bootstrapping_python set to 0
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# (this can be done at any later step without negative effects)
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# (this can be done at any later step without negative effects)
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# 4. rpm
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# 4. rpm
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@ -86,15 +92,13 @@ License: Python
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# 8. python-setuptools with bootstrap set to 0 and also with_check set to 0
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# 8. python-setuptools with bootstrap set to 0 and also with_check set to 0
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# 9. python-pip with build_wheel set to 1
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# 9. python-pip with build_wheel set to 1
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# 10. pyparsing
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# 10. pyparsing
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# 11. python3 with rewheel set to 1
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# 11. python3 with rewheel
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#
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#
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# Then the most important packages have to be built, starting from their
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# Then the most important packages have to be built, in dependency order.
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# various leaf dependencies recursively. After these have been built, a
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# These were:
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# targeted rebuild should be requested for the rest.
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#
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# Currently these packages are recommended to have been built before a targeted
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# rebuild after a python abi change:
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# python-sphinx, pytest, python-requests, cloud-init, dnf, anaconda, abrt
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# python-sphinx, pytest, python-requests, cloud-init, dnf, anaconda, abrt
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#
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# After these have been built, a targeted rebuild should be done for the rest.
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# =====================
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# =====================
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