mirror of
https://github.com/checkpoint-restore/criu
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As reported by Andrei Vagin: touch criu/pie/parasite-vdso.c does not lead to rebuild pie.lib.a and its dependencies. This happened because the real dependencies of criu/pie/pie.lib.a are listed in criu/pie/Makefile.library, which is never included or called with sub-make, because the criu/Makefile says: criu/pie/pie.lib.a: $(ARCH-LIB) $(Q) $(MAKE) $(call build-as,Makefile.library,criu/pie) all essentially saying we only need to call a sub-make with Makefile.library if the target is absent, or $(ARCH-LIB) is newer than the target. A workaround is to use .FORCE so that the Makefile.library is always called and so the dependencies are checked. Note the above is also true for any target that involves calling a sub-make -- it should either be used with .FORCE or otherwise depend on a phony target. I haven't checked all the CRIU makefiles but suspect there might be more cases like this one. travis-ci: success for Makefiles: fix deps checking Cc: Cyrill Gorcunov <gorcunov@openvz.org> Reported-by: Andrei Vagin <avagin@virtuozzo.com> Signed-off-by: Kir Kolyshkin <kir@openvz.org> Reviewed-by: Dmitry Safonov <dsafonov@virtuozzo.com> Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com> Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
CRIU (Checkpoint and Restore in Userspace)
An utility to checkpoint/restore tasks. Using this tool, you can freeze a running application (or part of it) and checkpoint it to a hard drive as a collection of files. You can then use the files to restore and run the application from the point it was frozen at. The distinctive feature of the CRIU project is that it is mainly implemented in user space.
The project home is at http://criu.org.
Pages worth starting with are:
- Kernel configuration, compilation, etc
- A simple example of usage
- More sophisticated example with graphical app
A video tour on basic CRIU features
How to contribute
- How to submit patches;
- Send all bug reports to mailing list;
- Spread the word about CRIU in social networks;