209a3bf302
Some logic to detect what libc the c / cxx compilers use by default, based on `-dynamic-linker`. The function `compiler.default_libc()` returns a `Spec` of the form `glibc@x.y` or `musl@x.y` with the `external_path` property set. The idea is this can be injected as a dependency. If we can't run the dynamic linker directly, fall back to `ldd` relative to the prefix computed from `ld.so.` |
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| spack/defaults | ||