{
  "id": "cmake/missing-cuda-architectures",
  "signature": "CMake Error: CUDA_ARCHITECTURES is empty for target \"mytarget\".",
  "signature_zh": "CMake 错误：目标 \"mytarget\" 的 CUDA_ARCHITECTURES 为空。",
  "regex": "CUDA_ARCHITECTURES is empty for target \".*?\"",
  "domain": "cmake",
  "category": "config_error",
  "subcategory": null,
  "root_cause": "CMake 3.18+ requires explicit CUDA architecture specification for targets using CUDA; if not set, it defaults to empty, causing build failure.",
  "root_cause_type": "generic",
  "root_cause_zh": "CMake 3.18+ 要求为使用 CUDA 的目标显式指定 CUDA 架构；如果未设置，则默认为空，导致构建失败。",
  "versions": [
    {
      "version": "3.18",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "3.20",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "3.22",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "3.28",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Set CMAKE_CUDA_ARCHITECTURES to empty string to bypass the check.",
      "why_fails": "CMake policy CMP0104 enforces non-empty architectures; empty string still triggers the error.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "Add `set(CMAKE_CUDA_ARCHITECTURES OFF)` to CMakeLists.txt.",
      "why_fails": "OFF is not a valid architecture; CMake interprets it as empty and fails.",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Set a valid CUDA architecture, e.g., `set_target_properties(mytarget PROPERTIES CUDA_ARCHITECTURES \"75\")` for Turing GPUs.",
      "success_rate": 0.95,
      "how": "Set a valid CUDA architecture, e.g., `set_target_properties(mytarget PROPERTIES CUDA_ARCHITECTURES \"75\")` for Turing GPUs.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Set global architecture: `set(CMAKE_CUDA_ARCHITECTURES \"75;86\")` before defining targets.",
      "success_rate": 0.9,
      "how": "Set global architecture: `set(CMAKE_CUDA_ARCHITECTURES \"75;86\")` before defining targets.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "设置有效的 CUDA 架构，例如 `set_target_properties(mytarget PROPERTIES CUDA_ARCHITECTURES \"75\")` 用于 Turing GPU。",
    "设置全局架构：在定义目标之前 `set(CMAKE_CUDA_ARCHITECTURES \"75;86\")`。"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://cmake.org/cmake/help/latest/prop_tgt/CUDA_ARCHITECTURES.html",
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.9,
  "fix_success_rate": 0.93,
  "resolvable": "true",
  "first_seen": "2024-05-01",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}