How prevent rebuilding via make in Linux?

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I have built package in cross enviroment (via using make command) on server. Package build was successful. I want run make check natively on target architecture, use command to copy build directory on target machine

rsync -a -H -A -X libssh2-1.4.0 user@machine:/path/to/package/libssh2-1.4.0

Also, I sync time on server and target machine.

On the target machine I execute make check. But all sources are rebuilt, as if the building had not been performed before. How can I prevent this rebuilding?

cross-compiling makefile linux
1 Answers

Some dependency files were newer than the target. For example, stdio.h (dep file) was newer than channel.lo (target). Stdio.h is placed in fakeroot and copyed by me without preserving time attrs. After copy with preserving attrs libssh2 stopped rebuilding.

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