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Cross compiler (i386 target on x86_64 machine)


 I am trying to use a cross compiler tool in order to build a 386
gcc compiler on an x86_64 machine (both Intel).

I found this project: git://

I git clone the sources from this URL,
and configured it according to the source I need:
binutils-, gcc-4.3.0-20080428 and linux-2.6.25. (these are
the versions
for Fedora 9, where I want to insmod my module).

My aim is to be able to build a module with the cross compiler in x86_64
so that I can insmod it on a 32 bit Intel machine.

So I configured the config file and ran:

./build i386
And it was ok:

Building i386... (target i386-linux)
 binutils: configure [00:03] build [00:51] install [00:04]
 gcc: configure [00:07] build [01:36] install [00:04]
 kernel: configure [00:01] build [03[15:54]  26 warnings  OK

 Now I tried to build a simple HelloWorld file. I got this error message:

make  -C /work/rpmbuild/BUILD/kernel-2.6.25/linux-2.6.25.i686
SUBDIRS=/work/dev/tests/kernel/helloWorld modules
make[1]: Entering directory

 ERROR: Kernel configuration is invalid.
        include/linux/autoconf.h or include/config/auto.conf are missing.
        Run 'make oldconfig && make prepare' on kernel src to fix it.

 WARNING: Symbol version dump
          is missing; modules will have no dependencies and modversions.

 CC [M]  /work/dev/tests/kernel/helloWorld/helloWorld.o
gcc: error trying to exec 'cc1': execvp: No such file or directory
make[2]: *** [/work/dev/tests/kernel/helloWorld/helloWorld.o] Error 1
make[1]: *** [_module_/work/dev/tests/kernel/helloWorld] Error 2
make[1]: Leaving directory
make: *** [default] Error 2

I beleieve that it can be that some little thing should be
added/changed in the makefile,
or something to the PATH. I really don't know what is the 'cc1' error.

I would appreciate if you can advise.

following is the config and the HellWorld Makefile I am using.


obj-m    := helloWorld.o


PWD    := $(shell pwd)

       $(MAKE)  -C $(KDIR) SUBDIRS=$(PWD) modules

Mark Ryden

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