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$ 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.
You need to configure glibc to target the older kernel version. Per http://www.gnu.org/software/libc/manual/html_node/Configuring-and-compiling.html glibc accepts the configure option
--enable-kernel=versionwhereversionis in the form2.4.20to target older kernel versions.You can then link your program statically with
gcc -static -nodefaultlibs [...] /path/to/my/libc.a.