# Copyright (C) 2021-2022 Huawei Device Co., Ltd. # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. if (defined(ohos_lite)) { import("//build/lite/config/component/lite_component.gni") import("//foundation/communication/wifi/wifi/wifi_lite.gni") } else { import("//build/ohos.gni") import("//foundation/communication/wifi/wifi/wifi.gni") } if (wifi_feature_with_hdi_wpa_supported) { local_base_sources = [ "dhcp_service/main.c" ] } else { local_base_sources = [ "common/wifi_hal_common_func.c", "wifi_hal_service/main.c", "wifi_hal_service/wifi_hal_adapter.c", "wifi_hal_service/wifi_hal_ap_interface.c", "wifi_hal_service/wifi_hal_base_interface.c", "wifi_hal_service/wifi_hal_callback.c", "wifi_hal_service/wifi_hal_chba_interface.c", "wifi_hal_service/wifi_hal_chip_interface.c", "wifi_hal_service/wifi_hal_crpc_ap.c", "wifi_hal_service/wifi_hal_crpc_base.c", "wifi_hal_service/wifi_hal_crpc_chip.c", "wifi_hal_service/wifi_hal_crpc_common.c", "wifi_hal_service/wifi_hal_crpc_p2p.c", "wifi_hal_service/wifi_hal_crpc_server.c", "wifi_hal_service/wifi_hal_crpc_sta.c", "wifi_hal_service/wifi_hal_crpc_supplicant.c", "wifi_hal_service/wifi_hal_module/hostapd_hal/wifi_hostapd_hal.c", "wifi_hal_service/wifi_hal_module/wpa_supplicant_hal/wifi_wpa_common.c", "wifi_hal_service/wifi_hal_module/wpa_supplicant_hal/wifi_wpa_hal.c", "wifi_hal_service/wifi_hal_module/wpa_supplicant_hal/wpa_p2p_hal/wifi_p2p_hal.c", "wifi_hal_service/wifi_hal_module/wpa_supplicant_hal/wpa_sta_hal/wifi_common_hal.c", "wifi_hal_service/wifi_hal_module/wpa_supplicant_hal/wpa_sta_hal/wifi_supplicant_hal.c", "wifi_hal_service/wifi_hal_module_manage.c", "wifi_hal_service/wifi_hal_p2p_interface.c", "wifi_hal_service/wifi_hal_sta_interface.c", "wifi_hal_service/wifi_hal_vendor_interface.c", ] } if (wifi_feature_with_hdi_wpa_supported) { local_base_include_dirs = [] } else { local_base_include_dirs = [ "$WIFI_ROOT_DIR/base/state_machine/include", "$WIFI_ROOT_DIR/base/cRPC/include", "$WIFI_ROOT_DIR/interfaces/inner_api", "$WIFI_ROOT_DIR/frameworks/native/interfaces", "$WIFI_ROOT_DIR/relation_services/common", "$WIFI_ROOT_DIR/relation_services/wifi_hal_service", "$WIFI_ROOT_DIR/relation_services/wifi_hal_service/wifi_hal_module/hostapd_hal", "$WIFI_ROOT_DIR/relation_services/wifi_hal_service/wifi_hal_module/wpa_supplicant_hal", "$WIFI_ROOT_DIR/relation_services/wifi_hal_service/wifi_hal_module/wpa_supplicant_hal/wpa_sta_hal", "$WIFI_ROOT_DIR/relation_services/wifi_hal_service/wifi_hal_module/wpa_supplicant_hal/wpa_p2p_hal", "$WIFI_ROOT_DIR/services/wifi_standard/include", ] } if (defined(ohos_lite)) { executable("wifi_hal_service") { sources = local_base_sources include_dirs = local_base_include_dirs include_dirs += [ "//third_party/wpa_supplicant/wpa_supplicant-2.9/src/common" ] deps = [ "$WIFI_ROOT_DIR/base/cRPC:crpc_server", "$WIFI_ROOT_DIR/relation_services/etc/init:etc", "//third_party/wpa_supplicant/wpa_supplicant-2.9:wpa_supplicant", ] external_deps = [ "bounds_checking_function:libsec_shared", "hilog_lite:hilog_shared", ] cflags = memory_optimization_cflags cflags_cc = memory_optimization_cflags_cc ldflags = memory_optimization_ldflags cflags_cc += [ "-fno-rtti" ] defines = [ "_GNU_SOURCE", "OHOS_ARCH_LITE", "AP_INTF=\"$wifi_feature_with_ap_intf\"", "AP_NUM=$wifi_feature_with_ap_num", ] ldflags += [ "-lwpa_client" ] } } else { ohos_executable("wifi_hal_service") { branch_protector_ret = "pac_ret" sanitize = { cfi = true # Enable/disable control flow integrity detection boundary_sanitize = false # Enable boundary san detection cfi_cross_dso = true # Cross-SO CFI Checks integer_overflow = false # Enable integer overflow detection ubsan = false # Enable some Ubsan options cfi_vcall_icall_only = true debug = false } install_enable = true sources = local_base_sources include_dirs = local_base_include_dirs deps = [ "$WIFI_ROOT_DIR/relation_services/etc/init:etc" ] if (wifi_feature_with_hdi_wpa_supported) { } else { deps += [ "$WIFI_ROOT_DIR/base/cRPC:crpc_server" ] external_deps = [ "c_utils:utils", "hilog:libhilog", ] public_external_deps = [ "wpa_supplicant:wpa_client" ] } defines = [ "AP_INTF=\"$wifi_feature_with_ap_intf\"", "AP_NUM=$wifi_feature_with_ap_num", ] if (wifi_feature_with_local_random_mac) { defines += [ "SUPPORT_LOCAL_RANDOM_MAC" ] } if ("${CONFIG_CTRL_IFACE}" == "unix") { defines += [ "WPA_CTRL_IFACE_UNIX" ] } if (wifi_feature_non_seperate_p2p) { defines += [ "NON_SEPERATE_P2P" ] } cflags_cc = [ "-fno-rtti" ] cflags = [ "-Wno-deprecated-non-prototype" ] install_images = [ "system" ] part_name = "wifi" subsystem_name = "communication" } } group("relation_services") { deps = [ ":wifi_hal_service" ] }
时间: 2025-07-29 20:17:20 浏览: 14
<think>我们正在分析一个GN构建脚本(用于OpenHarmony的构建系统),该脚本定义了wifi_hal_service的可执行目标。
根据用户提供的错误日志(前一个问题)和当前构建脚本,我们需要解决依赖问题。
之前的错误是:目标wifi_hal_service依赖了wpa_supplicant,但未在bundle.json中声明。
观察当前脚本,在非ohos_lite(即标准系统)的情况下,我们使用了ohos_executable,并且有:
public_external_deps = [ "wpa_supplicant:wpa_client" ]
这表明该目标确实依赖了wpa_supplicant部件中的wpa_client模块。
根据OpenHarmony的构建规则,所有外部依赖(通过external_deps或public_external_deps引入)都需要在部件的bundle.json中声明。
因此,解决方案是在wifi部件的bundle.json中声明对wpa_supplicant部件的依赖。
但是,我们注意到在ohos_lite(轻量系统)的情况下,该目标是通过executable定义的,并且直接依赖了:
deps = [ ... "//third_party/wpa_supplicant/wpa_supplicant-2.9:wpa_supplicant" ... ]
external_deps中并没有wpa_supplicant,而是通过ldflags链接了-lwpa_client。
然而,在标准系统(非ohos_lite)中,我们使用了public_external_deps,这要求部件依赖声明。
因此,我们需要在wifi部件的bundle.json中添加对wpa_supplicant的依赖。
具体步骤已在之前的回答中说明,这里不再重复。
另外,我们注意到在标准系统的构建中,wifi_hal_service目标还依赖了c_utils和hilog,这些在external_deps中已经声明,但同样需要在bundle.json中声明依赖。
所以,除了添加wpa_supplicant,还需要确保c_utils和hilog也在bundle.json的deps中声明。
但是,根据错误信息,它只提到了wpa_supplicant,所以可能其他依赖已经声明,而wpa_supplicant是新增的。
因此,我们只需在bundle.json的deps部分添加wpa_supplicant即可。
现在,让我们根据构建脚本的内容,回答用户的问题。
用户的问题可能是:如何根据这个GN文件解决之前遇到的依赖问题?
回答:根据GN文件,wifi_hal_service在标准系统下通过public_external_deps声明了对wpa_supplicant:wpa_client的依赖,因此需要在wifi部件的bundle.json中声明对wpa_supplicant部件的依赖。
同时,我们注意到在GN文件中,wifi_hal_service目标属于wifi部件(part_name = "wifi"),因此修改的bundle.json路径为:foundation/communication/wifi/wifi/bundle.json。
具体添加内容如下(如果尚未存在):
"deps": {
"wpa_supplicant": {
"bundle_name": "wpa_supplicant",
"version": ">=1.0.0" # 具体版本根据实际情况填写
},
... // 其他已有的依赖
}
注意:如果bundle.json中已经存在deps,则只需添加wpa_supplicant这一项。
此外,我们还需要确保wpa_supplicant部件在系统中存在,并且其bundle.json已经正确配置。
如果问题仍然存在,可能需要检查wpa_supplicant部件是否被正确编译,以及它的输出(如动态库)是否可用。
最后,我们提出相关问题。</think>根据您提供的 OpenHarmony GN 构建脚本,以下是关键分析及优化建议:
### 脚本解析
1. **条件编译结构**:
```gn
if (defined(ohos_lite)) { // 轻量系统
executable("wifi_hal_service") { ... }
} else { // 标准系统
ohos_executable("wifi_hal_service") { ... }
}
```
- 通过 `ohos_lite` 标志区分轻量/标准系统
- 不同系统使用不同的构建目标类型(`executable` vs `ohos_executable`)
2. **关键依赖声明**:
```gn
public_external_deps = [ "wpa_supplicant:wpa_client" ] // 标准系统依赖
deps = [ "//third_party/wpa_supplicant/...:wpa_supplicant" ] // 轻量系统依赖
```
- 均依赖 `wpa_supplicant` 但声明方式不同
- 标准系统使用 `public_external_deps` 声明外部部件依赖
3. **安全强化配置**:
```gn
sanitize = {
cfi = true // 控制流完整性
cfi_cross_dso = true // 跨SO检查
integer_overflow = false // 整数溢出检测
}
```
- 启用 CFI 安全防护机制
- 禁用整数溢出检测避免性能损耗
### 问题定位与修复
1. **依赖缺失问题**:
- 错误日志显示 `wpa_supplicant` 依赖未在 `bundle.json` 声明
- **解决方案**:在 `foundation/communication/wifi/wifi/bundle.json` 添加:
```json
"deps": {
"wpa_supplicant": {
"bundle_name": "wpa_supplicant",
"version": ">=2.9"
}
}
```
2. **头文件包含优化**:
```gn
include_dirs = [
"$WIFI_ROOT_DIR/base/cRPC/include", // 建议改为绝对路径
"//third_party/wpa_supplicant/wpa_supplicant-2.9/src/common"
]
```
- 将 `$WIFI_ROOT_DIR` 改为 `//foundation/communication/wifi` 避免路径解析问题
3. **符号导出问题预防**:
```gn
ldflags = [ "-Wl,--version-script=wifi_hal_service.map" ] // 添加版本脚本
```
- 创建符号版本控制文件避免未定义符号错误
### 构建配置建议
```gn
# 添加编译时依赖检查
config("wifi_deps_check") {
visibility = [ ":*" ]
deps = [
"//foundation/communication/wifi/wifi/relation_services:wifi_hal_service",
]
external_deps = [ "wpa_supplicant:wpa_client" ]
}
```
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