Re: Build gcc 4.1.0 so i can target both x86 and AMD64

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Richard Homolka writes:
 > Hello, i just built gcc 4.1.0 from sources.  I'd like to be able to target 
 > both 32 bit and 64 bit apps.  I try to add the -m64 flag to a compile though 
 > and i get:
 > hello.c:1: sorry, unimplemented: 64-bit mode not compiled in
 > 
 > what did i do wrong in the build?  i didn't see anything about targetting 
 > multiple configs.
 > My configure command is:
 > ../gcc-4.*/configure \
 >         --prefix=/tp/tools/gcc/4.1.0 \
 >         --enable-shared \
 >         --enable-threads \
 >         --enable-tls \
 >         --with-arch=pentium3 \

What's this for?  Take it out.

 >         --with-tune=pentium4 \
 >         --enable-__cxa_atexit \
 >         --enable-languages=c,c++,fortran \
 >         --disable-nls \
 >         --with-gmp=$GMPDIR \
 >         --with-mpfr=$MPFRDIR
 > 
 > any tips? thank you

What does `uname -a' say?  What did the first 20 or so lines of the
configure output look like?

Andrew.


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