# Yocto 构建时手动下载资源 在编译过程中,碰到下载错误,或是下载慢的时候,可以使用手动下载方式加速下载。 下载资源分为两种,一种是直接下载压缩包文件,另一种是下载 git 仓库。 ## 手动下载压缩包文件 ![download_error_tar](file:///Users/lihm/workroom/Misc/assets/download_error_tar.png?lastModify=1612188420) > 此图片为 tar.gz 压缩包文件下载失败 从错误信息可以看到下载路径。但当下载慢的时候,是无法显示下载路径的,还是必须要从 bb 文件中查找。 下载错误的包为 `xfce4-panel` ,后面为版本号。 1. 查找下载地址 ```bash # 在 build 目录下,如 thead-build/ice-base-xfce bitbake -e xfce4-panel | grep ^SRC_URI SRC_URI="http://archive.xfce.org/src/xfce/xfce4-panel/4.16/xfce4-panel-4.16.0.tar.bz2 file://0001-windowmenu-do-not-display-desktop-icon-when-no-windo.patch file://0002-use-lxdm-to-replace-dm-tool.patch " ``` 2. 下载文件 当下载的资源为压缩包时,下载目录就在 downloads 目录下,这时候就可以使用多线程下载工具下载文件,文件名就为原始文件名。 ```basj axel -n 16 http://archive.xfce.org/src/xfce/xfce4-panel/4.16/xfce4-panel-4.16.0.tar.bz2 ./downloads$ ll xfce4- xfce4-dev-tools-4.16.0.tar.bz2 xfce4-notifyd-0.6.2.tar.bz2.done xfce4-session-4.16.0.tar.bz2.done xfce4-terminal-0.8.10.tar.bz2 xfce4-dev-tools-4.16.0.tar.bz2.done xfce4-panel-4.16.0.tar.bz2 xfce4-settings-4.16.0.tar.bz2 xfce4-terminal-0.8.10.tar.bz2.done xfce4-notifyd-0.6.2.tar.bz2 xfce4-session-4.16.0.tar.bz2 xfce4-settings-4.16.0.tar.bz2.done ``` 3. 添加 xxx.done 文件 可以看到下载完成后,都会有一个 `.done` 文件表明下载成功。 ```bash touch xfce4-panel-4.16.0.tar.bz2.done ll xfce4-panel-4.16.0.tar.bz2* ./downloads$ ll xfce4-panel-4.16.0.tar.bz2* -rw-r--r-- 1 koumei.lhm users 1382354 Feb 1 22:19 xfce4-panel-4.16.0.tar.bz2 -rw-r--r-- 1 koumei.lhm users 0 Feb 1 22:21 xfce4-panel-4.16.0.tar.bz2.done ``` 4. 验证 至此下载就完成了,可以执行 `bitbake xfce4-panel -cdo_fetch` 查看是否下载成功 ```bash ~/git_repo/yocto-work/riscv_yocto/thead-build/ice-base-xfce$ bitbake xfce4-panel -cdo_fetch Loading cache: 100% |##################################################################################################################################################################| Time: 0:00:00 Loaded 3754 entries from dependency cache. Parsing recipes: 100% |################################################################################################################################################################| Time: 0:00:00 Parsing of 2530 .bb files complete (2529 cached, 1 parsed). 3755 targets, 207 skipped, 0 masked, 0 errors. NOTE: Resolving any missing task queue dependencies Build Configuration: BB_VERSION = "1.48.0" BUILD_SYS = "x86_64-linux" NATIVELSBSTRING = "universal" TARGET_SYS = "riscv64-oe-linux" MACHINE = "ice" DISTRO = "nodistro" DISTRO_VERSION = "nodistro.0" TUNE_FEATURES = "riscv64" EXTERNAL_TOOLCHAIN = "/home/public/host" EXTERNAL_TARGET_SYS = "riscv64-linux" GCC_VERSION = "8.1.0" meta = "HEAD:499b74d0934f5f088facfe04477a14a22b52e2d5" meta-oe meta-python meta-multimedia meta-networking = "HEAD:4453ac5cc0d8412e8f7ece5f79987809a8c4ddf3" meta-external-toolchain = "HEAD:f9d1b7a1ec75241c0d61bd9c29a28048e6376ef8" meta-riscv = "HEAD:58bcdf7f8e3f116d0fbd406cde991fe09ffac71a" meta-gnome meta-xfce meta-filesystems meta-webserver = "HEAD:4453ac5cc0d8412e8f7ece5f79987809a8c4ddf3" Initialising tasks: 100% |#############################################################################################################################################################| Time: 0:00:00 Sstate summary: Wanted 0 Found 0 Missed 0 Current 0 (0% match, 0% complete) NOTE: No setscene tasks NOTE: Executing Tasks NOTE: Tasks Summary: Attempted 1 tasks of which 0 didn't need to be rerun and all succeeded. NOTE: Writing buildhistory NOTE: Writing buildhistory took: 0 seconds ``` ## 手动下载 git 仓库 ![download_error_git](assets/download_error_git.png) > 此图片为 git 仓库下载失败 下载错误的包为 `asciidoc-native` ,后面为版本号。 1. 查找下载地址 ```bash ~/git_repo/yocto-work/riscv_yocto/thead-build/ice-base-xfce$ bitbake -e asciidoc-native | grep ^SRC_URI SRC_URI="git://github.com/asciidoc/asciidoc-py3;protocol=https file://auto-catalogs.patch" ``` 地址为 `git://xxxx;protocol=https` 就是 git 仓库,下载地址为 `https://github.com/asciidoc/asciidoc-py3` ,有的地址后面还会指定 `branch` ,下载的时候也同样要加上 `-b BRANCH`。 2. 下载仓库 ```bash ~/git_repo/yocto-work/riscv_yocto/thead-build/ice-base-xfce$ cd ../downloads/git2/ git clone --bare https://github.com/asciidoc/asciidoc-py3 # 如果指定 BRANCH # git clone --bare https://github.com/asciidoc/asciidoc-py3 -b BRANCH # 下载下来的仓库目录为 asciidoc-py3.git # 根据仓库地址更改仓库目录,把全路径中的 "/" 替换为 "." mv asciidoc-py3.git github.com.asciidoc.asciidoc-py3 ``` > 如果 github 等网站下载速度慢,可加 `-j 4` ,或使用 `gitee` 上仓库加速下载。 3. 添加 xxx.done 文件 每个仓库目录都会有一个 `.done` 文件表明下载成功。 ```bash touch github.com.asciidoc.asciidoc-py3.done ``` 4. 验证 至此下载就完成了,可以执行 `bitbake asciidoc-native -cdo_fetch` 查看是否下载成功。 ```bash ~/git_repo/yocto-work/riscv_yocto/thead-build/ice-base-xfce$ bitbake asciidoc-native -cdo_fetch Loading cache: 100% |##################################################################################################################################################################| Time: 0:00:00 Loaded 3754 entries from dependency cache. Parsing recipes: 100% |################################################################################################################################################################| Time: 0:00:00 Parsing of 2530 .bb files complete (2529 cached, 1 parsed). 3755 targets, 207 skipped, 0 masked, 0 errors. NOTE: Resolving any missing task queue dependencies Build Configuration: BB_VERSION = "1.48.0" BUILD_SYS = "x86_64-linux" NATIVELSBSTRING = "universal" TARGET_SYS = "riscv64-oe-linux" MACHINE = "ice" DISTRO = "nodistro" DISTRO_VERSION = "nodistro.0" TUNE_FEATURES = "riscv64" EXTERNAL_TOOLCHAIN = "/home/public/host" EXTERNAL_TARGET_SYS = "riscv64-linux" GCC_VERSION = "8.1.0" meta = "HEAD:499b74d0934f5f088facfe04477a14a22b52e2d5" meta-oe meta-python meta-multimedia meta-networking = "HEAD:4453ac5cc0d8412e8f7ece5f79987809a8c4ddf3" meta-external-toolchain = "HEAD:f9d1b7a1ec75241c0d61bd9c29a28048e6376ef8" meta-riscv = "HEAD:58bcdf7f8e3f116d0fbd406cde991fe09ffac71a" meta-gnome meta-xfce meta-filesystems meta-webserver = "HEAD:4453ac5cc0d8412e8f7ece5f79987809a8c4ddf3" Initialising tasks: 100% |#############################################################################################################################################################| Time: 0:00:00 Sstate summary: Wanted 0 Found 0 Missed 0 Current 0 (0% match, 0% complete) NOTE: No setscene tasks NOTE: Executing Tasks NOTE: Tasks Summary: Attempted 1 tasks of which 0 didn't need to be rerun and all succeeded. NOTE: Writing buildhistory NOTE: Writing buildhistory took: 0 seconds ```