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Compiler.default_libc

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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.`
This commit is contained in:
Harmen Stoppels
2024-03-13 17:03:10 +01:00
committed by Harmen Stoppels
parent e8c41cdbcb
commit 209a3bf302
11 changed files with 212 additions and 110 deletions
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pytest.ini
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@@ -12,7 +12,7 @@ markers =
requires_executables: tests that requires certain executables in PATH to run
nomockstage: use a stage area specifically created for this test, instead of relying on a common mock stage
enable_compiler_verification: enable compiler verification within unit tests
enable_compiler_link_paths: verifies compiler link paths within unit tests
enable_compiler_execution: enable compiler execution to detect link paths and libc
disable_clean_stage_check: avoid failing tests if there are leftover files in the stage area
only_clingo: mark unit tests that run only with clingo
only_original: mark unit tests that are specific to the original concretizer