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RE: GCC v4.4.0 Platform Support and Backwards Compatibility


Thanks for the feedback.

V/R,
Andrew  

-----Original Message-----
From: Tim Prince [mailto:TimothyPrince@sbcglobal.net] 
Sent: Tuesday, April 14, 2009 11:43 AM
To: Myers Andrew NGA-AES USA CTR
Cc: gcc-help@gcc.gnu.org
Subject: Re: GCC v4.4.0 Platform Support and Backwards Compatibility

Myers Andrew NGA-AES USA CTR wrote:
> GCC v3.4.3 was used to compile code for a Solaris 10 32-Bit platform, 
> and GCC v3.4.4 for a Red Hat Enterprise Linux 4 32-Bit platform.  My 
> questions are...
> 
> 1) Is GCC v4.4.0 fully backwards compatible with prior GCC versions?
> 2) Does v4.4.0 support the Solaris 10 (32-Bit) and Red Hat Enterprise 
> Linux 4 (32-Bit) platforms?
> 3) Seeing that GCC v4.5.0 is already in the works, what is the Sunset 
> date for v4.4.0?
> 4) Can you provide dates as to when 3.4.3 and 3.4.4 were no longer 
> supported/replaced.
> 5) My guess is that v4.4.0 can compile the same languages supported 
> under v3.4.3 and v3.4.4.  Is this correct?  If not, what are the 
> differences?
> 
> Any assistance is greatly appreciated.
> 
> V/R,
> Andrew Myers
If your question is about Red Hat or Solaris support by the vendors,
this is not the place to get authoritative answers.
Much of the information about gcc could be answered most reliably by
following links off gcc.gnu.org.  For example, if this is the
information you want, you could look at the gcc download site file dates
for the versions of interest.
For sure, 4.4.0 won't retire at least until a 4.4.1 appears.  If you
don't find a date in your research, there isn't one.
"same languages supported" is open to interpretation. 4.4 certainly
supports more of the most recent standards for C C++ and Fortran, while
retaining compatibility for programs which were compliant to earlier
standards.


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