Building GCC using C++

[Uday P. Khedker]

Basile Starynkevitch wrote, On Tuesday 15 January 2013 11:34 AM:
> On Tue, Jan 15, 2013 at 11:16:54AM +0530, Uday P. Khedker 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,
>
> My belief is that it is no more possible to configure a recent GCC straight
> (non-cross) compiler without --enable-language=c++
> (that is, if you ask only for --enable-languages=c either configure
> should bark, or it should also implicitly add C++).

I was able to build gcc-4.7.2 with --enable-languages=c only :-)

> I can't explain in the details how ...
>
> Cheers, & best wishes for 2013.
>

-- 
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Dr. Uday Khedker
Professor
Department of Computer Science & Engg.
IIT Bombay, Powai, Mumbai 400 076, India.
Email   : 	uday@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)