Re: configure: WARNING: unrecognized options

[Jonathan Wakely <jwakely dot gcc at gmail dot com>]

Please read http://gcc.gnu.org/wiki/InstallingGCC and
http://gcc.gnu.org/wiki/FAQ#gnu_stubs-32.h

You have made your life far more difficult than you need to.

On Jul 9, 2013 4:54 PM, "Roberto Nunnari" <roberto.nunnari@supsi.ch> wrote:
>
> Roberto Nunnari wrote:
>>
>> Paul Smith wrote:
>>>
>>> On Tue, 2013-07-09 at 16:31 +0200, Roberto Nunnari wrote:
>>>>
>>>> // configure gcc
>>>> # mkdir gcc-build && cd gcc-build
>>>> # ../gcc-4.8.1/gcc/configure --prefix=/opt/gcc481 --enable-languages=c,fortran --with-gmp=/opt/gmp --with-isl=/opt/isl --with-cloog=/opt/cloog
>>>> ...
>>>> configure: WARNING: unrecognized options: --with-gmp, --with-isl, --with-cloog
>>>
>>>
>>> Your most immediate problem is that you're running
>>> gcc-4.8.1/gcc/configure when you should be running gcc-4.8.1/configure.
>>>           ^^^
>>>    The configure script inside the gcc subdirectory ONLY configures the
>>> compiler itself, it doesn't know about all the other extra stuff.
>>> That's why it doesn't recognize those extra configure flags.
>>
>>
>>
>> Ok.. configure went smooth.. now I have an error during make:
>>
>> make[5]: Entering directory `/root/new-gcc/build/x86_64-unknown-linux-gnu/32/libgcc'
>> # If this is the top-level multilib, build all the other
>> # multilibs.
>> DEFINES='' HEADERS='../../../../gcc-4.8.1/libgcc/config/i386/value-unwind.h' \
>>                 ../../../../gcc-4.8.1/libgcc/mkheader.sh > tmp-libgcc_tm.h
>> /bin/sh ../../../../gcc-4.8.1/libgcc/../move-if-change tmp-libgcc_tm.h libgcc_tm.h
>> echo timestamp > libgcc_tm.stamp
>> /root/new-gcc/build/./gcc/xgcc -B/root/new-gcc/build/./gcc/ -B/opt/gcc481/x86_64-unknown-linux-gnu/bin/ -B/opt/gcc481/x86_64-unknown-linux-gnu/lib/ -isystem /opt/gcc481/x86_64-unknown-linux-gnu/include -isystem /opt/gcc481/x86_64-unknown-linux-gnu/sys-include    -g -O2 -m32 -O2  -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include   -fpic -mlong-double-80 -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -fpic -mlong-double-80 -I. -I. -I../../.././gcc -I../../../../gcc-4.8.1/libgcc -I../../../../gcc-4.8.1/libgcc/. -I../../../../gcc-4.8.1/libgcc/../gcc -I../../../../gcc-4.8.1/libgcc/../include -I../../../../gcc-4.8.1/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o _muldi3.o -MT _muldi3.o -MD -MP -MF _muldi3.dep -DL_muldi3 -c ../../../../gcc-4.8.1/libgcc/libgcc2.c -fvisibility=hidden -DHIDE_EXPORTS
>> In file included from /root/new-gcc/build/gcc/include-fixed/features.h:361:0,
>>                  from /usr/include/stdio.h:28,
>>                  from ../../../../gcc-4.8.1/libgcc/../gcc/tsystem.h:87,
>>                  from ../../../../gcc-4.8.1/libgcc/libgcc2.c:27:
>> /usr/include/gnu/stubs.h:7:27: fatal error: gnu/stubs-32.h: No such file or directory
>>  # include <gnu/stubs-32.h>
>>                            ^
>> compilation terminated.
>> make[5]: *** [_muldi3.o] Error 1
>> make[5]: Leaving directory `/root/new-gcc/build/x86_64-unknown-linux-gnu/32/libgcc'
>> make[4]: *** [multi-do] Error 1
>> make[4]: Leaving directory `/root/new-gcc/build/x86_64-unknown-linux-gnu/libgcc'
>> make[3]: *** [all-multi] Error 2
>> make[3]: Leaving directory `/root/new-gcc/build/x86_64-unknown-linux-gnu/libgcc'
>> make[2]: *** [all-stage1-target-libgcc] Error 2
>> make[2]: Leaving directory `/root/new-gcc/build'
>> make[1]: *** [stage1-bubble] Error 2
>> make[1]: Leaving directory `/root/new-gcc/build'
>> make: *** [all] Error 2
>>
>>
>> What could now be the problem?
>> Thank you and best regards,
>> Robi
>
>
> The strange thing is that this is a x86_64 box..
>
> # uname -rms
> Linux 2.6.18-274.el5 x86_64
>
> Any idea/hint?