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Date: Tue, 26 Feb 2002 19:49:38 -0500
To: "David Ryan" <oobles AT hotmail DOT com>, cygwin AT cygwin DOT com
From: "Larry Hall (RFK Partners, Inc)" <lhall AT rfk DOT com>
Subject: Re: Building gcc-2.8.1 cross compiler.
In-Reply-To: <F110h9wPiyAphwFutJL0002040f@hotmail.com>
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At 07:46 PM 2/26/2002, David Ryan wrote:



>>From: "Larry Hall (RFK Partners, Inc)" <lhall AT rfk DOT com>
>>To: "David Ryan" <oobles AT hotmail DOT com>, <cygwin AT cygwin DOT com>
>>Subject: Re: Building gcc-2.8.1 cross compiler.
>>Date: Tue, 26 Feb 2002 19:36:58 -0500
>>
>>At 07:19 PM 2/26/2002, David Ryan wrote:
>> >Hi,
>> >
>> >I'm attempting to build gcc-2.8.1 cross compiler using the following
>> >configuration..
>> >
>> >./configure --target=mipsel-scei-elfl --prefix=/usr/local/ps2dev/iop --with-
>> >gnu-ld --with-gnu-as
>> >
>> >I have compiled and installed binutils-2.9.1 into /usr/local/ps2dev/iop
>> >before attempting to make gcc.  I am currently getting the following error.
>> >
>> >   echo ${name}; \
>> >   ./xgcc -B./ -O2  -DCROSS_COMPILE -DIN_GCC    -g -I./include  -G
>> >0 -g1 -DIN_LIB
>> >GCC2 -D__GCC_FLOAT_NOT_NEEDED -fexceptions -I. -I. -I./config -c -DL${name}
>> >\
>> >       ./libgcc2.c -o ${name}.o; \
>> >   if [ $? -eq 0 ] ; then true; else exit 1; fi; \
>> >   /usr/local/ps2dev/iop/mipsel-scei-elfl/bin/ar rc tmplibgcc2.a ${name}.o; \
>> >   rm -f ${name}.o; \
>> >done
>> >_muldi3
>> >as: unrecognized option `-G'
>>
>>^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>
>> >make: *** [libgcc2.a] Error 1
>> >
>> >I have looked around various news groups and found that xgcc needs the
>> >correct paths for finding as and ld in the
>> >/usr/loca/ps2dev/iop/mipsel-scei-elfl/bin directory and paths can be found
>> >using -print-search-dirs.  I did this and found:
>> >
>> >$ ./xgcc -print-search-dirs
>> >install: /usr/local/ps2dev/iop/lib/gcc-lib/mipsel-scei-elfl\2.8.1\
>> >programs:
>> >\usr\local\ps2dev\iop\lib\gcc-lib\mipsel-scei-elfl\2.8.1\:\usr\local\p
>> >s2dev\iop\lib\gcc-lib\mipsel-scei-elfl\:\usr\lib\gcc\mipsel-scei-elfl\2.8.1\
>> >:\us
>> >r\lib\gcc\mipsel-scei-elfl\:\usr\local\ps2dev\iop\mipsel-scei-elfl\bin\mipse
>> >l-sc
>> >ei-elfl\2.8.1\:\usr\local\ps2dev\iop\mipsel-scei-elfl\bin\
>> >libraries:
>> >\usr\local\ps2dev\iop\lib\gcc-lib\mipsel-scei-elfl\2.8.1\:\usr\lib\gc
>> >c\mipsel-scei-elfl\2.8.1\:\usr\local\ps2dev\iop\mipsel-scei-elfl\lib\mipsel-
>> >scei
>> >-elfl\2.8.1\:\usr\local\ps2dev\iop\mipsel-scei-elfl\lib\
>> >
>> >Can anyone confirm my suspision that somewhere in the configure script it or
>> >in xgcc it has swapped / for \ and that xgcc won't find the correct as and
>> >ld using these \ ?  Anyone have any ideas about how to fix this?
>>
>>
>>No, xgcc found 'as' just fine, as the output above which I've underlined
>>indicates.  The problem appears to be that the '-G' flag is getting passed
>>to 'as' for some reason.  I can't really help beyond that statement though.
>
>Maybe I should have mentioned that the as its getting to is the cygwin default as.  If I go to the correct directory and run as from there with --help it does include the -G option.  The normal as which comes with cygwin gcc doesn't include the -G option.  So the above is finding the wrong as which I suspect is due to the \ versus / issue..
>
>Thanks for the idea though..



OK, my mistake.  I don't know about gcc-2.8.1 by Cygwin's gcc 2.95.3 
does understand both / and \ as path separators.  So I guess this could 
be an issue but I don't believe it's a general one.



Larry Hall                              lhall AT rfk DOT com
RFK Partners, Inc.                      http://www.rfk.com
838 Washington Street                   (508) 893-9779 - RFK Office
Holliston, MA 01746                     (508) 893-9889 - FAX


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