compiling gcc 5.x from the scratch: issues

[Markus Trippelsdorf]

On 2015.09.09 at 08:36 +0000, Michael Mishourovsky wrote:
>  At my work I would like to have recent gcc installed but i have no
>  sudo rights to update the current gcc (its 4.4.7, and OS is redhat
>  linux).
> 
>  So I checked out latest version of gcc via svn, and following
>  guidelines given at gcc webpage, tried to download prerequisites,
>  configure gcc to be compiled into a separate folder and to start
>  make. But got a lot of errors including errors in test files (that
>  are easy to fix), errors during linkage (seems to be almost final
>  step); eventually failed to  build it up. As it is supposed that this
>  SW is extensively tested, could you tell me: whether someone tried to
>  build latest gcc (say, gcc 5.1 or 5.2) from scratch and was succeed
>  in this (if he/she follows the guidelines given at the gcc web-site?
>  If possible, could you check -whether it is still possible to compile
>  gcc or not and update guidelines, if something has been changed when
>  time passes by?

Please make sure that you use a build directory outside the gcc source
tree.
You may simply follow: https://gcc.gnu.org/install/

If the issue still persists, please post the exact errors that you
encounter.

-- 
Markus