No rule to make foo.cpp needed by foo.o ???

Deepak Mathews deepak2427 at
Mon Dec 21 06:52:56 UTC 2009

Are you sure about the path to foo.cpp in the makefile is correctly set
during compilation.

It also can be a timestamp issue, but only if the updated file has a
modification time might be trivial... but the if system time is
behind it can cause this issue..

On Mon, Dec 21, 2009 at 8:46 AM, David Holmes - Sun Microsystems <
David.Holmes at> wrote:

> I'm doing a build and get a compilation error in foo.cpp, so I fix the
> problem that caused the error and make then aborts with
> "No rule to make target 'foo.cpp' needed by 'foo.o'. Stop"
> I have to do a clean and then re-build to get past this.
> This is building hotspot on linux and the make version is 3.81
> This is driving me nuts and wasting a lot of time!
> Anyone got any idea why make is doing this? It is as-if it can't find the
> updated cpp file. Could it be a timestamp issue?
> Thanks,
> David Holmes
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