gcc --target=avr on x86_64 gnu/stub-32.h missing

[Marc Weber]

============= log ====================================================

building build/genmodes.o
 stage1/xgcc -Bstage1/
-B/nix/store/1scqk04307x4fkd0w3bnqm76vr6ms47q-gcc-avr-4.2.4/avr/bin/ -c
-g -O2 -g0 -B/nix/store/ih1iqirj22hd35wjz876l4gmsqbizvha-glibc-2.7/lib/
-isystem /nix/store/ih1iqirj22hd35wjz876l4gmsqbizvha-glibc-2.7/include
-DIN_GCC -DCROSS_COMPILE  -W -Wall -Wwrite-strings -Wstrict-prototypes
-Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-strings -Wold-style-definition
-Wmissing-format-attribute     -DHAVE_CONFIG_H -DGENERATOR_FILE -I.
-Ibuild -I../../gcc-4.2.4/gcc -I../../gcc-4.2.4/gcc/build
-I../../gcc-4.2.4/gcc/../include -I../../gcc-4.2.4/gcc/../libcpp/include
-I../../gcc-4.2.4/gcc/../libdecnumber -I../libdecnumber    -o
build/genmodes.o ../../gcc-4.2.4/gcc/genmodes.c
In file included from
/nix/store/ih1iqirj22hd35wjz876l4gmsqbizvha-glibc-2.7/include/features.h:354,
                 from
/nix/store/ih1iqirj22hd35wjz876l4gmsqbizvha-glibc-2.7/include/stdio.h:28,
                 from ../../gcc-4.2.4/gcc/system.h:41,
                 from ../../gcc-4.2.4/gcc/genmodes.c:22:
/nix/store/ih1iqirj22hd35wjz876l4gmsqbizvha-glibc-2.7/include/gnu/stubs.h:7:27:
error: gnu/stubs-32.h: No such file or directory
make[2]: *** [build/genmodes.o] Error 1
make[2]: Leaving directory
`/tmp/nix-build-f6hf0p8qkqjd7lpdpsw4jzk2lz9rign3-gcc-avr-4.2.4.drv-0/build/gcc'
make[1]: *** [stage2_build] Error 2
make[1]: Leaving directory
`/tmp/nix-build-f6hf0p8qkqjd7lpdpsw4jzk2lz9rign3-gcc-avr-4.2.4.drv-0/build/gcc'

============= end log ================================================

configure flags were
    --program-prefix=avr- --target=avr --disable-nls --disable-multilib --enable-languages=c


Is there something I've missed ?

The same compilation steps finish when not addint --target=avr

Sincerly
Marc Weber