armeb toolchain with gcc

[Geerts Steven]

Okay...

But, how to make sure that gcc is built with softfloat?  Shouldn't this
somewhere be set in the options of buildroot?  Or can I specify
somewhere myself?

sg

-----Original Message-----
From: Peter S. Mazinger [mailto:ps.m at gmx.net] 
Sent: vrijdag 24 februari 2006 12:29
To: Geerts Steven
Cc: uclibc at uclibc.org
Subject: Re: armeb toolchain with gcc

On Fri, 24 Feb 2006, Geerts Steven wrote:

> All
> 
>  
> 
> I'm still trying to build a cross toolchain with gcc 4.0.1 or 4.0.2
> (4.0.2 now) for arm, no VFP and big endian.
> 
>  
> 
> If I try to compile uclibc with software floating support, I get
> following error:
> 
> LD libm-0.9.28.so
> 
> lib/libm.a(e_acos.os): In function
> `__ieee754_acos':e_acos.c:(.text+0x58): undefined reference to
> `__subdf3'
> 
> :e_acos.c:(.text+0x64): undefined reference to `__divdf3'
> 
> :e_acos.c:(.text+0x94): undefined reference to `__muldf3'
> 
> :e_acos.c:(.text+0xb8): undefined reference to `__adddf3'
> 
> lib/libm.a(e_asin.os): In function
> `__ieee754_asin':e_asin.c:(.text+0xc0): undefined reference to
`__gtdf2'
> 
> lib/libm.a(e_exp.os): In function
`__ieee754_exp':e_exp.c:(.text+0x90):
> undefined reference to `__ltdf2'
> 
> :e_exp.c:(.text+0x12c): undefined reference to `__fixdfsi'
> 
> :e_exp.c:(.text+0x134): undefined reference to `__floatsidf'
> 
> lib/libm.a(e_jn.os): In function `__ieee754_jn':e_jn.c:(.text+0xfc):
> undefined reference to `__ledf2'
> 
> lib/libm.a(e_lgamma_r.os): In function
> `__ieee754_lgamma_r':e_lgamma_r.c:(.text+0x12c): undefined reference
to
> `__nedf2'
> 
> :e_lgamma_r.c:(.text+0x2f0): undefined reference to `__eqdf2'
> 
> lib/libm.a(e_remainder.os): In function
> `__ieee754_remainder':e_remainder.c:(.text+0x1b0): undefined reference
> to `__gedf2'
> 
> lib/libm.a(fpmacros.os): In function
> `__fpclassifyf':fpmacros.c:(.text+0x3c): undefined reference to
> `__eqsf2'
> 
> lib/libm.a(nan.os): In function `nan':nan.c:(.text+0x5c): undefined
> reference to `strtod'
> 
> lib/libm.a(nan.os): In function `nanf':nan.c:(.text+0xe4): undefined
> reference to `strtof'
> 
> lib/libm.a(acosf.os): In function
`acosf':float_wrappers.c:(.text+0x4):
> undefined reference to `__extendsfdf2'
> 
> :float_wrappers.c:(.text+0xc): undefined reference to `__truncdfsf2'
> 
> lib/libm.a(ilogbf.os): In function
> `ilogbf':float_wrappers.c:(.text+0xc): undefined reference to
> `__floatsisf'
> 
> :float_wrappers.c:(.text+0x10): undefined reference to `__fixsfsi'
> 
>
/home/geertss/buildroot/build_armeb_nofpu/staging_dir/lib/gcc/armeb-linu
> x-uclibc/4.0.2/libgcc.a(_fixsfdi.o): In function
> `__fixsfdi':libgcc2.c:(.text+0xc): undefined reference to `__ltsf2'
> 
> make: *** [lib/libm.so] Error 1

looks to me that gcc and/or uclibc are not built both w/ the same
option, 
in this case softfloat both

Peter

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Peter S. Mazinger <ps dot m at gmx dot net>           ID: 0xA5F059F2
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