problem with x86_64.dat gcc-4.0.0-glibc-2.3.4.dat

[Dan Kegel]

Lothar Werzinger wrote:
> Hi, I tried to do a
> eval `cat x86_64.dat gcc-4.0.0-glibc-2.3.4.dat` sh all.sh --notest
> build with http://kegel.com/crosstool/crosstool-0.35.tar.gz
> in order to figure out if that helps me finding a way to build my biarch 
> x86_64. I get the following config error on building glibc:
> 
> + echo Build glibc and linuxthreads
> Build glibc and linuxthreads
> + mkdir -p build-glibc
> + cd build-glibc
> + echo
> + test '!' -f Makefile
> + BUILD_CC=gcc
> + CFLAGS='-O '
> + CC='x86_64-unknown-linux-gnu-gcc '
> + AR=x86_64-unknown-linux-gnu-ar
> + RANLIB=x86_64-unknown-linux-gnu-ranlib
> + /home/lothar/tmp/crosstool-0.35/build/x86_64-unknown-linux-gnu/gcc-4.0.0-glibc-2.3.4/glibc-2.3.4/configure 
> --prefix=/usr --build=x86_64-unknown-linux-gnu 
> --host=x86_64-unknown-linux-gnu --enable-kernel=2.4.3 --without-cvs 
> --disable-profile --disable-debug --without-gd --without-tls 
> --without-__thread --enable-shared --enable-add-ons=linuxthreads, 
> --with-headers=/opt2/crosstool/gcc-4.0.0-glibc-2.3.4/x86_64-unknown-linux-gnu/x86_64-unknown-linux-gnu/sys-root/usr/include
> ...
> checking for long double... yes
> checking size of long double... configure: error: cannot compute sizeof (long double), 77

That's described here:
http://www.embeddedtux.org/pipermail/etux/2005-March/001038.html
but it's troubling you're running into this.
It means the core gcc can't build apps, I think.

Maybe crosstool.sh should make sure the core gcc
can actually build the kind of test program that
glibc's configure will need.  Hmm.

I can't help with this for a while, I need a bit
of a vacation :-) but perhaps you should try older
versions of crosstool, like 0.34, to see if I broke
something recently.
- Dan

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