How long gcc builds on Linux?

[Paul Smith]

On Thu, 2016-10-13 at 14:18 -0600, Martin Sebor wrote:
> On 10/13/2016 05:33 AM, Jonathan Wakely wrote:
> > 
> > On 13 October 2016 at 11:23,  <fedor_qd@mail.ru> wrote:
> > > 
> > > I build crosscompiler for arm on windows. Compiler builded and
> > > run on windows and produce code for arm. GCC build takes several
> > > hours, binutils build near 10 mins on my pc. It normal that build
> > > takes so many time? My hardware - athlon IIx3 2.9GHz, 8 gb ram. I
> > > build gcc started 5.1 till 6.2.
> > 
> > Yes, GCC takes much, much longer to build than binutils.
> > 
> > Do 'make -j 2' to speed it up by running two jobs in parallel (or
> > replace 4 with a higher number depending on how many cores you
> > have).
> 
> I can build a cross-compiler on Linux (Binutils and GCC only, not
> sysroot) in a few minutes on my laptop running Fedora 23.  I have
> a Core i7 processor with 4 cores and use -j8.

The other thing to be sure of is that you're only building the front-
ends you need. Â If you only need a C compiler and not C++, FORTRAN, Go,
etc. then configure with --enable-languages=c.