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Re: make bin got dumb because of "Fix description in lily/include/smobs.

From: David Kastrup
Subject: Re: make bin got dumb because of "Fix description in lily/include/smobs.hh"
Date: Wed, 04 Jul 2012 00:05:04 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1.50 (gnu/linux)

Werner LEMBERG <address@hidden> writes:

>> It is almost certainly a problem with your system clock.  If you have
>> touched source files with a future clock, and now the clock is right,
>> then compiled files will be outdated ("older" than the source file)
>> immediately after compilation again.
> There is a special built-in target in GNU make:
>      Since `cp -p' discards the subsecond part of `src''s time stamp,
>      `dst' is typically slightly older than `src' even when it is up
>      to date.  The `.LOW_RESOLUTION_TIME' line causes `make' to
>      consider `dst' to be up to date if its time stamp is at the start
>      of the same second that `src''s time stamp is in.
> Maybe this helps?

The system date of Janek pointed to next Friday.  While this may yield
to `.LOW_RESOLUTION_TIME' when scaling the entire creation (according to
its appearance) into seven days, for normal purposes no special options
should be required to figure out that there is a disturbance in the
fabric of time as witnessed by Make.

David Kastrup

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