I have set following paths in .bashrc to correspond to the latest installation of gcc export PATH=$PATH:/opt/gcc-4.9.1/bin export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/gcc-4.9.1/lib:/opt/gcc-4.9.1/lib64 but still on run time the previous binaries/libraries are being found [rcm@rcm ~]$ which gcc /usr/bin/gcc How to handle this? On Wed, Aug 6, 2014 at 8:16 AM, Syed Ahsan Ali Bokhari <ahsan.pmd@xxxxxxxxx> wrote: > Well explained Jonathan > Thanks > > On Tue, Aug 5, 2014 at 10:10 PM, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: >> On 5 August 2014 17:54, Syed Ahsan Ali Bokhari wrote: >>> Yes I did that before, I removed the gcc and when I tried to build a >>> new gcc from source it crashed complaining that no C compiler is >>> present. Isn't it weird that installation of C compiler needs C >>> compiler as a pre-requisite.? >> >> You don't need a compiler to install a C compiler, you need a compiler >> to *compile* a C compiler, just like you need a compiler to compile >> any program. >> >> If you just want to install gcc you use 'yum' or 'rpm' to do that, >> instead of compiling it yourself. >> >> If you want to compile gcc, obviously you need a compiler of some kind. >> >> It might seem weird but it's not, it's quite normal. >> http://en.wikipedia.org/wiki/Bootstrapping_%28compilers%29 > > > > -- > Syed Ahsan Ali Bokhari > Electronic Engineer > Research & Development Division > Pakistan Meteorological Department H-8/2, Islamabad. > Phone # off +92519250361 > Cell # +923155145014 > Fax # +92519250368 > www.pmd.gov.pk -- Syed Ahsan Ali Bokhari Electronic Engineer Research & Development Division Pakistan Meteorological Department H-8/2, Islamabad. Phone # off +92519250361 Cell # +923155145014 Fax # +92519250368 www.pmd.gov.pk
