On Sun, Aug 16, 2015 at 12:26 PM, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: > On 16 August 2015 at 02:46, <admin@xxxxxxxxx> wrote: >> >> Why is this happening, and most importaintly, how do I fix it? > > Unless you tell us how you configured GCC we have no idea what > commands you've run and so would only be guessing why that might be > happening. Hi Maxweel this is the configure we have in Clera Linux : %build # Live in the gcc source tree tar xf %{SOURCE1} && ln -sf isl-%{isl_version} isl mkdir ../gcc-build pushd ../gcc-build unset CFLAGS unset CXXFLAGS export CFLAGS="-march=ivybridge -g -O2 -fstack-protector -Wl,-z -Wl,now -Wl,-z -Wl,relro -Wl,-z,max-page-size=0x1000" export CXXFLAGS="-march=ivybridge -g -O2 -Wl,-z,max-page-size=0x1000" export CPATH=%{_includedir} export LIBRARY_PATH=%{_libdir} ../%{name}-%{version}/configure \ --prefix=%{_prefix} \ --with-pkgversion='Clear Linux OS for Intel Architecture'\ --libdir=%{_libdir} \ --enable-libstdcxx-pch\ --libexecdir=%{_libdir} \ --with-system-zlib\ --enable-shared\ --enable-threads=posix\ --enable-__cxa_atexit\ --enable-plugin\ --enable-ld=default\ --enable-clocale=gnu\ --disable-multiarch\ --disable-multilib\ --enable-lto\ --enable-linker-build-id \ --build=%{gcc_target}\ --target=%{gcc_target}\ --enable-languages="c,c++,fortran" \ --enable-bootstrap \ --with-ppl=no \ --includedir=%{_includedir} \ --with-gxx-include-dir=%{_includedir}/c++/ \ --exec-prefix=%{_prefix} \ --with-glibc-version=2.19 \ --with-system-libunwind \ --with-gnu-ld \ --with-tune=haswell \ --with-arch=ivybridge \ --enable-libmpx make %{?_smp_mflags} popd You can clone the entire spec file from here: git clone git://kojiclear.jf.intel.com/packages/gcc Or the SRPM: https://download.clearlinux.org/releases/2630/clear/source/SRPMS/gcc-5.2.0-43.src.rpm