gh-144121: Allow overriding COMPILER with UNVERSIONED_COMPILER#144124
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Introduce UNVERSIONED_COMPILER variable in Makefile.pre.in to allow overriding the COMPILER macro definition during the build of Python/getcompiler.o. This enables reproducible builds by providing a way to set a generic compiler identification string (e.g., "[GCC]") instead of the default versioned one. The rule is made conditional on UNVERSIONED_COMPILER being defined. References: https://discuss.python.org/t/unversioned-compiler-symbol-for-getcompiler-c/91735 Fixes: python#144121
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Introduce UNVERSIONED_COMPILER variable in Makefile.pre.in to allow overriding the COMPILER macro definition during the build of Python/getcompiler.o.
This enables reproducible builds by providing a way to set a generic compiler identification string (e.g., "[GCC]") instead of the default versioned one.
The rule is made conditional on UNVERSIONED_COMPILER being defined.
References: https://discuss.python.org/t/unversioned-compiler-symbol-for-getcompiler-c/91735
Fixes: #144121