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我意识到我需要在某处定义 QCOM 有供应商，但是通常在哪个文件/哪里声明？

我在为 lineageos 项目构建 ROM 时遇到以下异常，需要一些帮助来诊断和解决问题：

    -MD -MF /home/lineageos/out/target/product/tb8504f/obj_arm/SHARED_LIBRARIES/libsdmcore_intermediates/drm/hw_info_drm.d -o /home/lineageos/out/target/product/tb8504f/obj_arm/SHARED_LIBRARIES/libsdmcore_intermediates/drm/hw_info_drm.o hardware/qcom/display-caf/msm8996/sdm/libs/core/drm/hw_info_drm.cpp"
hardware/qcom/display-caf/msm8996/sdm/libs/core/drm/hw_info_drm.cpp:559:35: error: use of undeclared identifier 'QCOM'
      if (drm_format_modifier == (DRM_FORMAT_MOD_QCOM_COMPRESSED |
                                  ^
hardware/qcom/display-caf/msm8996/sdm/libs/core/drm/hw_info_drm.cpp:58:56: note: expanded from macro 'DRM_FORMAT_MOD_QCOM_COMPRESSED'
#define DRM_FORMAT_MOD_QCOM_COMPRESSED fourcc_mod_code(QCOM, 1)
                                                       ^
hardware/qcom/display-caf/msm8996/sdm/libs/core/drm/hw_info_drm.cpp:560:11: error: use of undeclared identifier 'QCOM'
          DRM_FORMAT_MOD_QCOM_DX | DRM_FORMAT_MOD_QCOM_TIGHT)) {
          ^
hardware/qcom/display-caf/msm8996/sdm/libs/core/drm/hw_info_drm.cpp:61:48: note: expanded from macro 'DRM_FORMAT_MOD_QCOM_DX'
#define DRM_FORMAT_MOD_QCOM_DX fourcc_mod_code(QCOM, 0x2)
                                               ^

设备树：= https://github.com/darran-kelinske-fivestars/android_device_lenovo_tb8504f/tree/lineage-15.1

供应商树：= https://github.com/darran-kelinske-fivestars/android_vendor_lenovo_tb8504f/tree/lineage-15.1

内核来源：= https://github.com/dazza5000/android_kernel_lenovo_msm8937/tree/tb8504f

ROM来源：= https://github.com/LineageOS/android

命令：

repo sync -j20 && source build/envsetup.sh && breakfast tb8504f && make -j20 | tee rom.log

完整日志：

https://del.dog/ujizecehug

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1 回答 1

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我不知道这个问题的长期解决方案，但我快速而肮脏的解决方案是在依赖它的两个文件中定义变量。

我进入文件 hw_info_drm.cpp 并在顶部添加以下内容：

#define QCOM 1
于 2019-07-22T18:12:46.553 回答