sys: only compile enabled arch sources in build.rs#198
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In GCC 14+, -Wimplicit-function-declaration became an error that -w flag cannot suppress. The auto-generated AArch64 sources in capstone v6 trigger this error even when the AArch64 feature is disabled, because build.rs previously compiled all arch directories unconditionally. Filter arch directories by enabled cargo features, so only selected architectures' sources are compiled.
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In GCC 14+, -Wimplicit-function-declaration became an error that -w flag cannot suppress. The auto-generated AArch64 sources in capstone v6 trigger
this error even when the AArch64 feature is disabled, because build.rs previously compiled all arch directories unconditionally.
Filter arch directories by enabled cargo features, so only selected architectures' sources are compiled.