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bld
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PostPosted: Sat May 17, 2003 11:25 am    Post subject: CFLAGS configurazione Reply with quote

Sapete dove posso trovare una buona documentazione per la configurazione delle CFLAGS ?
Magari .. in italiano? Sarebbe ideale.
ciao :D
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xlyz
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PostPosted: Sat May 17, 2003 12:04 pm    Post subject: Reply with quote

è in inglese:

http://www.freehackers.org/gentoo/gccflags/flag_gcc3opt.html
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m.mascherpa
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PostPosted: Sat May 17, 2003 12:53 pm    Post subject: Reply with quote

tramite "man gcc" puoi avere una
rapida infarinatura ;)
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maur8
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PostPosted: Sat May 17, 2003 1:49 pm    Post subject: Reply with quote

Sul sito gentoo francese (www.gentoofr.org) c'è linkato da qualche parte uno script che rileva il tipo di cpu (tramite /proc/cpuinfo) e scrive a video le flags opportune
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bld
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PostPosted: Sat May 17, 2003 4:48 pm    Post subject: Reply with quote

maur8 wrote:
Sul sito gentoo francese (www.gentoofr.org) c'? linkato da qualche parte uno script che rileva il tipo di cpu (tramite /proc/cpuinfo) e scrive a video le flags opportune


Ho datto un occhiata e non ho trovato niente, portresti darmi il link preciso per il download? Suona molto interessante.
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mrfree
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PostPosted: Sat May 17, 2003 11:17 pm    Post subject: Reply with quote

Credo che lo script a cui si riferisce maur8 sia questo... :wink:

https://forums.gentoo.org/viewtopic.php?t=53602&highlight=cflags+script
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maur8
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PostPosted: Sun May 18, 2003 11:01 am    Post subject: Reply with quote

Grande mrfree! :D
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cerri
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PostPosted: Sun May 18, 2003 11:47 am    Post subject: Reply with quote

Quello script cmq e' molto limitato (ad esempio non setta nemmeno -03).
Molto meglio la lettura del link postato da xlyz.
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bld
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PostPosted: Sun May 18, 2003 1:12 pm    Post subject: Reply with quote

Si infatti ho provato sia lo script sia la lettura.. e ho messo queste:
CFLAGS="-march=pentium3 -O3 -pipe -fomit-frame-pointer"
che da quelo che ho letto sono per il mio processore.

Pero ho ancora problemi con la compilazione dei "source", il computer si blocca, anche se non va in crash. Pero non posso fare niente, ne ascoltare musica X si blocca.. E non posso capire che cosa e' cambiato per fare diminuire cosi tanto la performance, prima andava benissimo con compilazioni di source-package come quello di Open Office :(
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