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Re: dependency branch
- To: tromey@cygnus.com
- Subject: Re: dependency branch
- From: Alexandre Oliva <oliva@dcc.unicamp.br>
- Date: 13 May 1999 19:19:52 -0300
- Cc: automake@gnu.org
- References: <87u2unhfci.fsf@cygnus.com> <orsoa1ildd.fsf@dcc.unicamp.br> <87iuanrh93.fsf@cygnus.com> <oraevzz9ww.fsf@lua.lbi.dcc.unicamp.br> <87u2txtljf.fsf@cygnus.com>
On May 1, 1999, Tom Tromey <tromey@cygnus.com> wrote:
> I tried the trunk with `automake -i' and the branch with dependency
> tracking enabled. In this way I hoped to measure the time taken by
> the extra /bin/sh exec's in the dependency tracking code.
> I got around 10% overhead, like you. I'm happy with that.
Yep, but that was probably with gcc, right? I expect much larger
overheads with other compilers, in which we'd have to use -M or -E.
What do you think of having dependency enabled by default if it can be
generated as side-effect (unless explicitly disabled with
--disable-dependencies), but disabled by default otherwise (unless
explicitly enabled with --enable-dependencies)?
--
Alexandre Oliva http://www.dcc.unicamp.br/~oliva IC-Unicamp, Bra[sz]il
{oliva,Alexandre.Oliva}@dcc.unicamp.br aoliva@{acm.org,computer.org}
oliva@{gnu.org,kaffe.org,{egcs,sourceware}.cygnus.com,samba.org}
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