Compiler error for v4.1.2

[Markus Mehrwald <mehrwald@xxxxxxxxxx>]

Hi,

I try to compile gcc 4.1.2 on my Fedora 12 with gcc 4.4.3. I get the 
following error:

make[2]: Entering directory `/opt/build/gcc'
TARGET_CPU_DEFAULT="" \
        HEADERS="auto-host.h ansidecl.h" DEFINES="" \
        /bin/sh ../../gcc-4.1.2/gcc/mkconfig.sh config.h
TARGET_CPU_DEFAULT="" \
        HEADERS="options.h config/i386/biarch64.h config/i386/i386.h 
config/i386/unix.h config/i386/att.h config/dbxelf.h config/elfos.h 
config/svr4.h config/linux.h config/i386/x86-64.h config/i386/linux64.h 
defaults.h" DEFINES="" \
        /bin/sh ../../gcc-4.1.2/gcc/mkconfig.sh tm.h
gawk -f ../../gcc-4.1.2/gcc/opt-gather.awk 
../../gcc-4.1.2/gcc/java/lang.opt ../../gcc-4.1.2/gcc/c.opt 
../../gcc-4.1.2/gcc/common.opt ../../gcc-4.1.2/gcc/config/i386/i386.opt 
> tmp-optionlist
/bin/sh ../../gcc-4.1.2/gcc/../move-if-change tmp-optionlist optionlist
echo timestamp > s-options
gawk -f ../../gcc-4.1.2/gcc/opt-functions.awk -f 
../../gcc-4.1.2/gcc/opth-gen.awk \
               < optionlist > tmp-options.h
/bin/sh ../../gcc-4.1.2/gcc/../move-if-change tmp-options.h options.h
echo timestamp > s-options-h
TARGET_CPU_DEFAULT="" \
        HEADERS="auto-host.h ansidecl.h" DEFINES="" \
        /bin/sh ../../gcc-4.1.2/gcc/mkconfig.sh bconfig.h
gcc -c   -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes 
-Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros 
-Wold-style-definition -Wmissing-format-attribute    -DHAVE_CONFIG_H 
-DGENERATOR_FILE -I. -Ibuild -I../../gcc-4.1.2/gcc 
-I../../gcc-4.1.2/gcc/build -I../../gcc-4.1.2/gcc/../include 
-I../../gcc-4.1.2/gcc/../libcpp/include     -o build/genmodes.o 
../../gcc-4.1.2/gcc/genmodes.c
gcc -c   -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes 
-Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros 
-Wold-style-definition -Wmissing-format-attribute    -DHAVE_CONFIG_H 
-DGENERATOR_FILE -I. -Ibuild -I../../gcc-4.1.2/gcc 
-I../../gcc-4.1.2/gcc/build -I../../gcc-4.1.2/gcc/../include 
-I../../gcc-4.1.2/gcc/../libcpp/include     -o build/errors.o 
../../gcc-4.1.2/gcc/errors.c
make[2]: *** Keine Regel vorhanden, um das Target 
»../../build-x86_64-unknown-linux-gnu/libiberty/libiberty.a«,
  benötigt von »build/genmodes«, zu erstellen.  Schluss.
make[2]: Leaving directory `/opt/build/gcc'
make[1]: *** [all-gcc] Fehler 2
make[1]: Leaving directory `/opt/build'
make: *** [all] Fehler 2

(The german text says: no rule to create target...)
Can anyone help me please to get over this problem?

Thanks,
Markus