如何在Buildroot配置中添加Node.js所需的GLIBC版本？

问题 #

在Ubuntu 22.04.4 LTS系统上，用Buildroot为ARM Cortex-A7目标平台构建根文件系统，通过Target packages -> Interpreter languages and scripting ->勾选[*] nodejs集成Node.js。烧录启动目标平台后，在/usr/bin/目录下运行node时出现以下错误：

/usr/bin # ./node
./node: /lib/libm.so.6: version `GLIBC_2.38' not found (required by ./node)
./node: /lib/libm.so.6: version `GLIBC_2.29' not found (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libstdc++.so.6: no version information available (required by ./node)
./node: /lib/libc.so.6: version `GLIBC_2.33' not found (required by ./node)
./node: /lib/libc.so.6: version `GLIBC_2.34' not found (required by ./node)
./node: /lib/libc.so.6: version `GLIBC_2.32' not found (required by ./node)
./node: /lib/libc.so.6: version `GLIBC_2.38' not found (required by ./node)
./node: /lib/libc.so.6: version `GLIBC_2.32' not found (required by /usr/lib/libuv.so.1)
./node: /lib/libc.so.6: version `GLIBC_2.38' not found (required by /usr/lib/libuv.so.1)
./node: /lib/libc.so.6: version `GLIBC_2.33' not found (required by /usr/lib/libuv.so.1)
./node: /lib/libc.so.6: version `GLIBC_2.34' not found (required by /usr/lib/libuv.so.1)
./node: /lib/libc.so.6: version `GLIBC_2.34' not found (required by /usr/lib/libcares.so.2)
./node: /lib/libc.so.6: version `GLIBC_2.33' not found (required by /usr/lib/libcares.so.2)
./node: /lib/libc.so.6: version `GLIBC_2.36' not found (required by /usr/lib/libcares.so.2)
./node: /lib/libc.so.6: version `GLIBC_2.38' not found (required by /usr/lib/libcares.so.2)
./node: /lib/libc.so.6: version `GLIBC_2.38' not found (required by /usr/lib/libcrypto.so.3)
./node: /lib/libc.so.6: version `GLIBC_2.33' not found (required by /usr/lib/libcrypto.so.3)
./node: /lib/libc.so.6: version `GLIBC_2.34' not found (required by /usr/lib/libcrypto.so.3)
./node: /lib/libc.so.6: version `GLIBC_2.33' not found (required by /usr/lib/libssl.so.3)
./node: /lib/libc.so.6: version `GLIBC_2.34' not found (required by /usr/lib/libssl.so.3)

目前不清楚如何修改Buildroot配置以满足所需的GLIBC版本，在make nconfig的Toolchain ->下仅看到一个GLIBC相关选项：Enable compatibility shims to run on older kernels，且已勾选。

解决方法 #

1. 切换到Buildroot内部工具链 #

你当前大概率用的是主机系统的交叉工具链（比如Ubuntu自带的gcc），这类工具链的GLIBC版本和目标平台不匹配才导致报错。切换到Buildroot自带的内部工具链，就能直接控制GLIBC版本：

• 打开make nconfig，进入Toolchain -> Toolchain type，选择Buildroot toolchain
• 此时会出现C library选项，进入后选择满足Node.js依赖的GLIBC版本（比如2.38或更高，对应报错里的要求）

2. 确认Node.js版本兼容性 #

选择GLIBC版本后，要确保Buildroot提供的Node.js版本支持该GLIBC：

• 进入Target packages -> Interpreter languages and scripting -> nodejs，查看可选的Node.js版本，优先选择Buildroot标记为兼容当前GLIBC版本的选项

3. 清理并重新构建 #

修改配置后必须清理旧构建文件，否则残留的旧库会导致问题：

make clean
make

重新编译后，所有依赖（包括GLIBC、Node.js及其关联库）都会用新工具链编译，版本匹配问题就能解决。

4. 关于内核兼容性选项的说明 #

你勾选的Enable compatibility shims to run on older kernels仅用于让GLIBC兼容旧版本内核，和GLIBC本身的版本无关，所以这个选项不影响当前的版本匹配问题。

内容的提问来源于stack exchange，提问作者Daryl Spitzer