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Re: [PATCH] depcomp and gcc3 still not safe enough


From: Tom Tromey
Subject: Re: [PATCH] depcomp and gcc3 still not safe enough
Date: 17 Feb 2001 18:40:20 -0700

>>>>> "Hari" == Raja R Harinath <address@hidden> writes:

Hari> GCC 3.0 doesn't still exactly implement exactly what 'depcomp'
Hari> wants.

Bummer.

Hari> I don't know if this a GCC bug.  I'm assuming it's not -- it
Hari> makes sense to clean up if the compile fails; the compiler
Hari> doesn't provide rollback for -o, why should it provide rollback
Hari> for -MF.

Dependency files are different from .o files though.
It would make sense to write a temporary dependency file and then `mv'
it on success (or `rm' on failure).

Hari>   * depcomp (gcc3): Protect against the compiler deleting 
Hari>   the dependency output file.

I checked this in.

Tom



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