Fourth incremental variable. Adds the getauxval_fix.c shim from the
legacy wzp-android crate (which has been shipping with it for months
without issue) to our cc::Build on Android. The file defines a single
getauxval() function that delegates to bionic's real runtime
implementation via dlsym — this is needed because rustc links
compiler-rt's broken static getauxval stub that SIGSEGVs in .so
libraries loaded via dlopen (reads __libc_auxv which is NULL).
Not imported from Rust. Goal: verify that adding a second C static
archive (and especially one that overrides a libc-ish symbol) doesn't
regress the working build.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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