On Tue, Jan 15, 2013 at 6:46 AM, Uday P. Khedker <u...@cse.iitb.ac.in> wrote:
> I was trying to understand the exact meaning of a loose statement
> floating around ("gcc has moved to C++ from version 4.7 onwards).
>
> I reckon from http://gcc.gnu.org/wiki/gcc-in-cxx that now gcc is
> compiled using C++. However, the very first line of the description
> confused me. It says:
>
>> GCC has been building stages 2 and 3 in C++ mode for a while.
>
>
> My understanding was that stage 2 is built using the compiler created
> in stage 1 and stage 3 is built using the compiler created in stage 2.
> (Please see slide 17/53 in
> http://www.cse.iitb.ac.in/grc/gcc-workshop-12/downloads/slides/gccw12-config-build.pdf).
>
> Can someone tell me what is the meaning of building stage 2 in C++
> mode? If I restrict my languages (using --enable-languages) to C,
> how can stage 2 be built in C++ mode? Or is it that regardless of
> the choice given using --enable-languages option, internally C and
> C++ compiler are created anyway? The build logs do not seem to bear
> out the above statement.The C++ compiler is created anyway since 4.7 and is used to build stage2+. Starting with GCC 4.8 stage1 requires a C++ host compiler. Richard. > Thanks and regards, > > Uday. > -- > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ > Dr. Uday Khedker > Professor > Department of Computer Science & Engg. > IIT Bombay, Powai, Mumbai 400 076, India. > Email : u...@cse.iitb.ac.in > Homepage: http://www.cse.iitb.ac.in/~uday > Phone : > Office - 91 (22) 2572 2545 x 7717, 91 (22) 2576 7717 (Direct) > Res. - 91 (22) 2572 2545 x 8717, 91 (22) 2576 8717 (Direct) > >
