代码拉取完成，页面将自动刷新
同步操作将从 OpenHarmony/build_lite 强制同步，此操作会覆盖自 Fork 仓库以来所做的任何修改，且无法恢复！！！
确定后同步将在后台操作，完成时将刷新页面，请耐心等待。
包括系统提供的c/c++接口库文件，编译工具链，工具和接口描述文档。
├── build 编译框架 │ ├── config │ └── toolchain ├── doc native api接口描述文档 ├── gcc 编译工具链 │ ├── arm-linux-ohoseabi -> arm-linux-musleabi │ ├── arm-linux-musleabi │ ├── bin │ ├── host_bin │ ├── lib │ ├── libexec │ ├── runtime_musl │ └── target ├── prebuilts 构建工具 │ └── build-tools ├── sample 用户编译样例 │ ├── include │ └── src └── sysroot Native API └── usr
编译使用gn构建系统，在根目录执行：python build.py即可启动编译。支持的命令如下：
build: python build.py 或 ``python build.py build`
clean: python build.py clean
debug/release:python build.py -v debug/release
debug和release版本的区别：
debug版本：-g
release版本：-O2 + strip符号表
1、安全编译选项：-fstack-protector-all，PIE，PIC，_FORTIFY_SOURCE=2，-Wl,-z,now，-Wl,-z,relro，-Wl,-z,noexecstack
2、告警级别：-Werror
1、创建应用目录，并在目录下创建BUILD.gn:
# Copyright (c) 2020 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.
static_library("hello_world") { # 应用库文件target，也可是shared_library
sources = [
"src/hello_world.c",
]
include_dirs = [
"include",
]
}
executable("sample") { # 应用可执行文件target
ldflags = [
"-lsys_parameter", # 应用需要使用的库
"-lsec_shared"
]
deps = [
":hello_world",
]
}
2、将sample加入到编译入口，编译入口为根目录下的BUILD.gn:
# Copyright (c) 2020 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.
import("//build/toolchain/${ohos_build_compiler}.gni")
group("ohos") {
deps = []
if (target_os == "ohos") {
deps += [
"//sample" # 新加的应用
]
}
}
3、编译输出：out/bin
1、请先烧录内核和文件系统
2、将应用程序nfs或者tftp到usr/bin目录下, 运行即可
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