如何使用旧内核为 GNU/Linux 安装构建静态二进制文件？
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How to build a static binary for GNU/Linux installations with old kernel?
提问by Vi.
$ printf 'int main(){}' | gcc -static -x c - -o hello
$ scp hello vi-server.org:./
hello 100% 565KB 565.2KB/s 00:00
$ ssh -t vi-server.org "./hello; uname -r"
FATAL: kernel too old
sh: line 1: 15378 Segmentation fault ./hello
2.6.18-274.... # can't easily upgrade the kernel
Connection to vi-server.org closed.
How to build static binary that will work on on old systems? I expect static binaries to work even on 2.4.
如何构建可在旧系统上运行的静态二进制文件？我希望静态二进制文件即使在 2.4 上也能工作。
采纳答案by ecatmur
You need to configure glibc to target the older kernel version. Per http://www.gnu.org/software/libc/manual/html_node/Configuring-and-compiling.htmlglibc accepts the configure option --enable-kernel=versionwhere versionis in the form 2.4.20to target older kernel versions.
您需要配置 glibc 以针对较旧的内核版本。根据http://www.gnu.org/software/libc/manual/html_node/Configuring-and-compiling.htmlglibc 接受配置选项--enable-kernel=version，其中version的形式2.4.20是针对旧内核版本。
You can then link your program statically with gcc -static -nodefaultlibs [...] /path/to/my/libc.a.
然后，您可以将您的程序静态链接到gcc -static -nodefaultlibs [...] /path/to/my/libc.a.
回答by Mike J
Thank you to the above poster ecatmur -- it does indeed work to reconfigure/rebuild glibc with the configure option --enable-kernel=version
感谢上面的海报 ecatmur——它确实可以使用配置选项重新配置/重建 glibc --enable-kernel=version
I would add the following -- you can use gcc -static -L/path/to/local/lib (big L option to the directory) and it seems to work just as well as linking to the library file itself. When I linked in the latter fashion (to /path/to/local/lib/libc.a), it created an unecessarily large executable.
我将添加以下内容——您可以使用 gcc -static -L/path/to/local/lib（目录的大 L 选项），它似乎与链接到库文件本身一样有效。当我以后一种方式链接（到 /path/to/local/lib/libc.a）时，它创建了一个不必要的大可执行文件。
