Softfloat arm-gcc with hardfloat libgcc ?

[Bridge Wu]

I think you should add "--without-fp" option to GCC_CORE and GCC
configure. It is in crosstool.sh.

On 5/10/06, Jean-Philippe Francois <jp.francois@cynove.com> wrote:
> On Wed, 2006-05-10 at 10:45, Khem Raj wrote:
> > Jean-Philippe Francois wrote:
> > > Hi,
> > >
> > > I compiled a gcc3.3 softfloat toolchain using crosstool 0.42 and here is
> > > the message I get when compiling u-boot (with nand support)
> > >
> > you toolchain is not completely build with softfloat. Especially gcc.
> > Libgcc seems to still have hard FP enabled check you gcc builds.
> Hmmm, I don't know yet how to do that, out of automated tools. Using
> crosstool to build a 3.4.5 gcc with a 2.2.5 libc gave me a working
> build.
>
> > > arm-linux-ld: ERROR:
> > > /usr/local/arm/3.3crosstool-new/gcc-3.3-glibc-2.2.5/arm-linux/lib/gcc-lib/arm-linux/3.3/libgcc.a(_ashldi3.oS) uses hardware FP, whereas u-boot uses software FP
> > > File in wrong format: failed to merge target specific data of file
> > > /usr/local/arm/3.3crosstool-new/gcc-3.3-glibc-2.2.5/arm-linux/lib/gcc-lib/arm-linux/3.3/libgcc.a(_ashldi3.oS)
> > >
> > > I am new to this mailing list, so I don't know which info is the more
> > > useful. Here is arm-linux-gcc -v :
> > >
> > > Reading specs from
> > > /usr/local/arm/3.3crosstool-new/gcc-3.3-glibc-2.2.5/arm-linux/lib/gcc-lib/arm-linux/3.3/specs
> > > Configured with:
> > > /usr/src/ARM2/toolchain/crosstool-0.42/build/arm-linux/gcc-3.3-glibc-2.2.5/gcc-3.3/configure --target=arm-linux --host=i686-host_pc-linux-gnu --prefix=/usr/local/arm/3.3crosstool-new/gcc-3.3-glibc-2.2.5/arm-linux --with-float=soft --with-headers=/usr/local/arm/3.3crosstool-new/gcc-3.3-glibc-2.2.5/arm-linux/arm-linux/include --with-local-prefix=/usr/local/arm/3.3crosstool-new/gcc-3.3-glibc-2.2.5/arm-linux/arm-linux --disable-nls --enable-threads=posix --enable-symvers=gnu --enable-__cxa_atexit --enable-languages=c,c++ --enable-shared --enable-c99 --enable-long-long
> > > Thread model: posix
> > > gcc version 3.3
> > >
> > > Thank you,
> > > JP Francois
> > >
> > >
> > >
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> > >
> >
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--
best regards,
-Bridge

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