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.
