add export-symbols feature flag
#322
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libz-rs-sys-cdylib/Cargo.toml
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| @@ -15,11 +15,14 @@ name = "z_rs" # turns into e.g. `libz_rs.so` | |||
| crate-type=["cdylib"] | |||
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| [features] | |||
| default = ["c-allocator"] # when used as a cdylib crate, use the c allocator | |||
| # when used as a cdylib crate, use the c allocator, and export the symbols so they are visible to the linker | |||
| default = ["c-allocator", "export-symbols"] | |||
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I think libz-rs-sys-cdylib should unconditionally enable the export-symbols feature of libz-rs-sys. There is no way to use it with export-symbols disabled. Rustc will simply not export the symbols from the cdylib if it isn't and will likely remove almost the entirety of the cdylib as dead code.
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This was referenced Mar 28, 2025
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closes #321