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Bug 3367 - Can't build v1.2 stage2 on K6 or i586, from stage1.
Summary: Can't build v1.2 stage2 on K6 or i586, from stage1.
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Core system (show other bugs)
Hardware: x86 Linux
: High major (vote)
Assignee: Gentoo Linux bug wranglers
URL:
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Keywords:
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Blocks:
 
Reported: 2002-06-03 20:20 UTC by Bob Paddock
Modified: 2003-02-04 19:42 UTC (History)
1 user (show)

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Runtime testing required: ---


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Description Bob Paddock 2002-06-03 20:20:59 UTC
If you try to build stage2 of V1.2 on a K6 or i586 the build at some point 
transistions to building a i686 machine as evedent in seeing the -m=i686 lines 
going by on the screen.  The build fails the first time a i686 instruction is 
tired.

V1.1A is building just fine on the same hardware.
Comment 1 Paul de Vrieze (RETIRED) gentoo-dev 2002-06-04 05:29:57 UTC
The default flags in make.conf have changed to i686 flags, so read the manual
and actually change the flags in make.conf to the k5/pentium flags. Of course it
is debateable what the default should be.
Comment 2 Seemant Kulleen (RETIRED) gentoo-dev 2002-06-04 08:22:34 UTC
Like Paul said, read the installation docs :P
Comment 3 Jim Bray 2003-01-29 10:52:05 UTC
Seems like instead of using a default build target that breaks on lots of
hardware and then chiding people who (like most bleeding-edge enthusiasts) build
first and read later, someone should add some code to emerge to determine the
cpu class and then issue a warning and automatically change the build target
when there is a mismatch. My /proc/cpuinfo shows:

processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 5
model           : 8
model name      : AMD-K6(tm) 3D processor
stepping        : 12
cpu MHz         : 551.065
cache size      : 64 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr mce cx8 pge mmx syscall 3dnow k6_mtrr
bogomips        : 1089.53
so there's all sorts of information available there.

Comment 4 SpanKY gentoo-dev 2003-01-29 13:33:47 UTC
why ? 
a warning we create today may be invalid tomorrow ... its just another place to maintain 
documentation ...