{
  "id": "cmake/object-library-link-error",
  "signature": "CMake Error: OBJECT library target \"myobjlib\" may not be used in target_link_libraries with keyword \"PUBLIC\" or \"INTERFACE\".",
  "signature_zh": "CMake 错误：OBJECT 库目标 \"myobjlib\" 不能与关键字 \"PUBLIC\" 或 \"INTERFACE\" 一起用于 target_link_libraries。",
  "regex": "OBJECT library target .* may not be used in target_link_libraries",
  "domain": "cmake",
  "category": "build_error",
  "subcategory": null,
  "root_cause": "OBJECT libraries in CMake are only allowed in PRIVATE scope of target_link_libraries; using PUBLIC or INTERFACE violates the object library's non-exportable nature.",
  "root_cause_type": "generic",
  "root_cause_zh": "CMake 中的 OBJECT 库只能在 target_link_libraries 的 PRIVATE 作用域中使用；使用 PUBLIC 或 INTERFACE 违反了对象库不可导出的特性。",
  "versions": [
    {
      "version": "CMake 3.20",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "CMake 3.21",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "CMake 3.22",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "This changes the build semantics and may break object-like usage (e.g., no separate compilation units).",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "CMake explicitly rejects PUBLIC/INTERFACE for OBJECT libraries; it will always error.",
      "fail_rate": 1.0,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "add_library(myobjlib OBJECT src1.cpp src2.cpp)\nadd_library(mylib STATIC)\ntarget_link_libraries(mylib PRIVATE myobjlib)  # Correct",
      "success_rate": 0.95,
      "how": "add_library(myobjlib OBJECT src1.cpp src2.cpp)\nadd_library(mylib STATIC)\ntarget_link_libraries(mylib PRIVATE myobjlib)  # Correct",
      "condition": "",
      "sources": []
    },
    {
      "action": "add_library(myobjlib STATIC src1.cpp src2.cpp)  # Change to STATIC\ntarget_link_libraries(mylib PUBLIC myobjlib)",
      "success_rate": 0.8,
      "how": "add_library(myobjlib STATIC src1.cpp src2.cpp)  # Change to STATIC\ntarget_link_libraries(mylib PUBLIC myobjlib)",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "add_library(myobjlib OBJECT src1.cpp src2.cpp)\nadd_library(mylib STATIC)\ntarget_link_libraries(mylib PRIVATE myobjlib)  # Correct",
    "add_library(myobjlib STATIC src1.cpp src2.cpp)  # Change to STATIC\ntarget_link_libraries(mylib PUBLIC myobjlib)"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://cmake.org/cmake/help/latest/manual/cmake-buildsystem.7.html#object-libraries",
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.85,
  "fix_success_rate": 0.95,
  "resolvable": "true",
  "first_seen": "2024-03-05",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}