buildroot fails for ARM w/ gcc 4.1 and soft float

Khem Raj khem at mvista.com
Fri May 12 23:43:26 UTC 2006


Lance Spaulding said the following on 05/12/2006 02:03 PM:
> Khem Raj wrote:
>
>> Check your libgcc build. It seems it did not build properly for soft 
>> float case.
>
> Hi Khem,
>
> I'm not sure what to check for.  I've rebuilt and captured the output 
> in the attached file.  Can you tell from the logfile why its failing?
>
> Thanks,
> Lance
>
Your problem is not compiling uclibc but libgcc (GCC C runtime library) 
which is compiled with GCC. You might need this patch
apply this and try again

-Khem

Index: gcc-4.1.0/gcc/config/arm/t-linux
===================================================================
--- gcc-4.1.0.orig/gcc/config/arm/t-linux
+++ gcc-4.1.0/gcc/config/arm/t-linux
@@ -4,7 +4,12 @@ TARGET_LIBGCC2_CFLAGS = -fomit-frame-poi
 LIBGCC2_DEBUG_CFLAGS = -g0

 LIB1ASMSRC = arm/lib1funcs.asm
-LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx
+LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx \
+       _call_via_rX _interwork_call_via_rX \
+       _lshrdi3 _ashrdi3 _ashldi3 \
+       _negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi 
_fixunsdfsi \
+       _truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \
+       _fixsfsi _fixunssfsi _floatdidf _floatdisf

 # MULTILIB_OPTIONS = mhard-float/msoft-float
 # MULTILIB_DIRNAMES = hard-float soft-float




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