On 16/05/17 16:38, Pintu wrote: > I run the command like this for c and c++ - > /home/gcc/gcc-4.8.5/configure CC=/usr/bin/gcc > --prefix=/home/gcc/gcc-4.8.5.install --build=powerpc64le-linux-gnu > --host=powerpc64le-linux-gnu --target=powerpc64le-linux-gnu --enable-shared > --enable-threads=posix --with-system-zlib --enable-__cxa_atexit > --enable-gnu-unique-object --enable-linker-build-id > --with-linker-hash-style=gnu --enable-languages=c,c++,lto > --enable-initfini-array --disable-libgcj --enable-gnu-indirect-function > --with-long-double-128 --enable-secureplt --disable-multilib > --with-cpu=power8 --with-tune=power8 > > I tried this command on a different system which has older version of > gcc-4.8.3, I did not get any error while building, so I think building > latest version gcc with older can work but reverse process will not work in > some of the cases if I am right. But, actually I wanted to build this > version of gcc(4.8.5) on my new machine which has 5.4 version. As an aside, I get seg faults in the compiler with 6.2.0 on a PINE64 (aarch64) native build. The same config options etc work fine for 5.4.0, 4.8.5 and 4.8.0. I'll have a look in the GCC bugzilla when I get a chance.
