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Don't assume %_smp_mflags only ever contains -jX, use -j%_smp_build_ncpus directly

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When we added %_smp_mflags here, Petr Viktorin asked the question:
https://src.fedoraproject.org/rpms/python-rpm-macros/pull-request/154#comment-124613

> I couldn't find docs for %_smp_mflags.
> How much of a guarantee is there that it contains no other flags than -j?

My answer was:

> %_smp_mflags is documented in https://rpm-packaging-guide.github.io/
> and used in many other RPM macros in Fedora and upstream everywhere.
> There is no official guarantee that it will never contain anything else,
> but if it does, I assume multiple things would burn.
> I am willing to take that risk.

Turns out, the world did not burn, but packagers do set %_smp_mflags to -lX,
which does not work with compileall.

Fixes https://bugzilla.redhat.com/2179149
This commit is contained in:
Miro Hrončok 2023-03-16 19:43:17 +01:00
commit 10e0e5309d
3 changed files with 9 additions and 5 deletions
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6
macros.pybytecompile
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@ -35,18 +35,18 @@ py2_byte_compile () {\
py34_byte_compile () {\
python_binary="%{__env_unset_source_date_epoch_if_not_clamp_mtime} PYTHONHASHSEED=0 %1"\
bytecode_compilation_path="%2"\
PYTHONPATH="%{_rpmconfigdir}/redhat" $python_binary -s -B -m compileall2 %{?_smp_mflags} -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes $bytecode_compilation_path \
PYTHONPATH="%{_rpmconfigdir}/redhat" $python_binary -s -B -m compileall2 %{?_smp_build_ncpus:-j%{_smp_build_ncpus}} -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes $bytecode_compilation_path \
}\
py37_byte_compile () {\
python_binary="%{__env_unset_source_date_epoch_if_not_clamp_mtime} PYTHONHASHSEED=0 %1"\
bytecode_compilation_path="%2"\
PYTHONPATH="%{_rpmconfigdir}/redhat" $python_binary -s -B -m compileall2 %{?_smp_mflags} -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes --invalidation-mode=timestamp $bytecode_compilation_path \
PYTHONPATH="%{_rpmconfigdir}/redhat" $python_binary -s -B -m compileall2 %{?_smp_build_ncpus:-j%{_smp_build_ncpus}} -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes --invalidation-mode=timestamp $bytecode_compilation_path \
}\
\
py39_byte_compile () {\
python_binary="%{__env_unset_source_date_epoch_if_not_clamp_mtime} PYTHONHASHSEED=0 %1"\
bytecode_compilation_path="%2"\
$python_binary -s -B -m compileall %{?_smp_mflags} -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes --invalidation-mode=timestamp $bytecode_compilation_path \
$python_binary -s -B -m compileall %{?_smp_build_ncpus:-j%{_smp_build_ncpus}} -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes --invalidation-mode=timestamp $bytecode_compilation_path \
}\
\
# Path to intepreter should not contain any arguments \