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FreeBSD General Other questions regarding FreeBSD which do not fit in any of the categories below. |
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Running Pure 64-Bits On FreeBSD.
How would one go about running a pure 64 bit system on FreeBSD? None of
the ports I'm using depends on (any) x32 libraries. I notice during buildworld that x32 code is being compiled. Btw, what kind of (optimisations) are you guys dropping in /etc/make.conf? I've got. CPUTYPE=athlon64 CFLAGS= -O2 -pipe Is using -O3 out of the question when compiling ports and world? You're probably thinking that I should leave well enough alone, nah, I like to see what I can get by with without breaking something. TIA |
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Hi.
-O2 and -pipe are already enabled by default, like killasmurf said, you do not need to add seperate CFLAGS entries unless you have a specific reason to do so. -O3 is too aggressive and not supported. I still refuse to use a 64 bit OS so I don't know anything about your other question. There are a lot of people here that do know about that though Last edited by chill; 20th October 2008 at 11:03 PM. |
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Search the forums for why you don't want to mess with CFLAGS. Unless you want to get into the nitty-gritty of what all the compiler does with each optimisation/option, and what happens to the FreeBSD source with each one, just don't do it.
As for running a 64-bit desktop, you won't have Flash, nVidia driver, and a few other things. Everything else will be available. |
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Quote:
You probably don't want to use a strange set of CFLAGS as a blanket for all ports either since some can break. Many ports that can stand higher optimizations with usually give you an option to do so. Should be: Code:
CPUTYPE?=athlon64 The default is: Code:
CFLAGS= -O2 -fno-strict-aliasing -pipe |
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