On Mon, 17 Oct 2011 03:07:15 -0400, Jeffrey Walton wrote: > On Mon, Oct 17, 2011 at 2:46 AM, newbieneedshelp > Ubuntu 11 comes with GCC 4.5, not 4.6. > gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.6.1/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.6.1-9ubuntu3' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs -- enable-languages=c,c++,fortran,objc,obj-c++,go --prefix=/usr --program- suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib -- libexecdir=/usr/lib --without-included-gettext --enable-threads=posix -- with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls -- with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable- libstdcxx-time=yes --enable-plugin --enable-objc-gc --disable-werror -- with-arch-32=i686 --with-tune=generic --enable-checking=release -- build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3) -- chs