{"record":{"id":"7fbd063096a6caa1","repo":"wasmerio/wasmer","slug":"objcopy-failed-with-error-code","errorCode":null,"errorMessage":"{objcopy} failed with error code {}: {}","messagePattern":"(.+?) failed with error code (.+?): (.+?)","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"error","filePath":"lib/api/build.rs","lineNumber":252,"sourceCode":"            // A bit hacky: we need a way to figure out if we're going to target a Mach-O\n            // library or an ELF one to take care of the \"_\" in front of symbols.\n            if cfg!(any(target_os = \"macos\", target_os = \"ios\")) {\n                format!(\"--redefine-sym=_{old}={new}\")\n            } else {\n                format!(\"--redefine-sym={old}={new}\")\n            }\n        })\n        .collect();\n    let prefixed_v8_lib_path = v8_lib_dir.join(\"libv8prefixed.a\");\n    let output = std::process::Command::new(objcopy)\n        .args(syms)\n        .arg(v8_lib_path.display().to_string())\n        .arg(prefixed_v8_lib_path.display().to_string())\n        .output()\n        .expect(\"objcopy command failed\");\n\n    if !output.status.success() {\n        panic!(\n            \"{objcopy} failed with error code {}: {}\",\n            output.status,\n            String::from_utf8(output.stderr).unwrap()\n        );\n    }\n\n    println!(\"cargo:rustc-link-lib=static=v8prefixed\");\n}\n\n#[allow(unused)]\nfn main() {\n    #[cfg(feature = \"v8\")]\n    build_v8();\n}\n","sourceCodeStart":234,"sourceCodeEnd":267,"githubUrl":"https://github.com/wasmerio/wasmer/blob/8c4b9ee9d33fb2068863fbb3d328683e7e6ff7f5/lib/api/build.rs#L234-L267","documentation":"Error \"{objcopy} failed with error code {}: {}\" thrown in wasmerio/wasmer.","triggerScenarios":"Thrown at lib/api/build.rs:252 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"8c4b9ee9d33fb2068863fbb3d328683e7e6ff7f5","analyzedAt":"2026-09-01T23:06:31.009Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-09T06:17:21.866Z"}