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Re: -m31 rejected when building libgcc for cross compiler for s390 (31 bit) gcc 4.6.0


Thanks, Ian.  That brought me further, but still no cigar.  Does the
following ring a bell?

/usr/ports/gcc390/build460/./gcc/xgcc
-B/usr/ports/gcc390/build460/./gcc/
-B/usr/ports/gcc390/inst/s390-ibm-linux/bin/
-B/usr/ports/gcc390/inst/s390-ibm-linux/lib/ -isystem
/usr/ports/gcc390/inst/s390-ibm-linux/include -isystem
/usr/ports/gcc390/inst/s390-ibm-linux/sys-include    -g -O2 -O2  -g
-O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite-strings
-Wcast-qual -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definition  -isystem ./include  -fPIC -g
-DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED
-fno-stack-protector -Dinhibit_libc -mlong-double-128 -I. -I.
-I../.././gcc -I/usr/src/gcc-4.6.0/libgcc
-I/usr/src/gcc-4.6.0/libgcc/. -I/usr/src/gcc-4.6.0/libgcc/../gcc
-I/usr/src/gcc-4.6.0/libgcc/../include
-I/usr/src/gcc-4.6.0/libgcc/../libdecnumber/dpd
-I/usr/src/gcc-4.6.0/libgcc/../libdecnumber -DHAVE_CC_TLS  -o
decContext.o -MT decContext.o -MD -MP -MF decContext.dep -c
/usr/src/gcc-4.6.0/libgcc/../libdecnumber/decContext.c

/usr/src/gcc-4.6.0/libgcc/../libdecnumber/decContext.c:33:43: fatal
error: string.h: No such file or directory
compilation terminated.

So I looked for string.h in the source:

u@ubuntu:/usr/src/gcc-4.6.0$ find . -name 'string.h'
./libssp/ssp/string.h
./fixincludes/tests/base/string.h
./libstdc++-v3/include/c_compatibility/string.h


On 21 May 2011 16:31, Ian Lance Taylor <iant@google.com> wrote:
> "John P. Hartmann" <jphartmann@gmail.com> writes:
>
>> Building a cross compiler from i686 (the platform of my linux) to s390
>> I get the following when the bootstrap process is configuring in
>> s390-ibm-linux/libgcc:
>>
>> configure:3268: /usr/ports/gcc390/build460/./gcc/xgcc
>> -B/usr/ports/gcc390/build460/./gcc/
>> -B/usr/ports/gcc390/inst/s390-ibm-linux/bin/
>> -B/usr/ports/gcc390/inst/s390-ibm-linux/lib/ -isystem
>> /usr/ports/gcc390/inst/s390-ibm-linux/include -isystem
>> /usr/ports/gcc390/inst/s390-ibm-linux/sys-include ? ?-c -g -O2
>> conftest.c >&5
>> exec: 89: -m31: not found
>
> This looks like you don't have a cross-assembler. ?You need to make and
> install the GNU binutils first with the same --host, --target, and
> --prefix options. ?Then start again with gcc in a brand new empty build
> directory.
>
> Ian
>


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