Unnecessary rebuilds by GNU Make version 3.76.1 on RH5.2 (Linux 2.0.36) systems

[Naveen Patil]

We use GNU Make v3.76.1 that comes with a Red Hat 5.2 (Linux 2.0.36)
system
on a i386 box.

I had a source tree which was last built on 09/02/2000; when I rebuilt
today (10/23) after
updating a few source files, I find that make rebuilt almost all the
*.o(s) even though
their source files listed in corresponding *.d dependency files didn't
change. I've
checked this with a few *.o(s), in all their cases, their source hasn't
changed.

After that rebuild, a "make -n" says that nothing needs to be rebuilt,
and I'm
puzzled make decided to rebuild so much when I ran it the 1st time on
10/23.

Thanks in advance for your help and suggestions!

--
Naveen

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