#15773: Build ATLAS on ARM
-------------------------------------+-------------------------------------
Reporter: vbraun | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.1
Component: build | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/vbraun/build_atlas_on_arm | 81a2ea983e2903b9cc5f2a78a57dd24fe32e48d5
Dependencies: | Stopgaps:
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Comment (by dimpase):
in `CONFIG/src/atlcomp.txt` we see
{{{
# ARM defaults
#
MACH=ARMv7 OS=ALL LVL=1000 COMPS=xcc
'gcc' '-mcpu=cortex-a8 -O1 -mfpu=vfpv3 -mfloat-abi=softfp '
MACH=ARMv7 OS=ALL LVL=1000 COMPS=smc,skc,gcc,icc
'gcc' '-O1 -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=vfpv3 -mfloat-
abi=softfp -fno-expensive-optimizations'
MACH=ARMv7 OS=ALL LVL=1000 COMPS=dmc,dkc
'gcc' '-O1 -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=vfpv3 -mfloat-
abi=softfp -fno-schedule-insns2'
MACH=ARMv7 OS=ALL LVL=1000 COMPS=f77
'gfortran' '-mcpu=cortex-a8 -mfpu=vfpv3 -mfloat-abi=softfp -O'
}}}
i.e. `mfloat` is always set to `soft`. But on this machine (and on more
and more modern ARM chips, I gather) it is `hard`. So this is why, I
guess, you get that error.
I suppose a proper detection of `mfloat-abi` should be added, unless
upstream already did so.
--
Ticket URL: <http://trac.sagemath.org/ticket/15773#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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