R: Chossing the 'active' gcc version

Dave Korn dave.korn.cygwin@googlemail.com
Tue Nov 17 23:17:00 GMT 2009


Marco Atzeri wrote:
> -- Mar 17/11/09, John Cortell ha scritto:
> 
>> I installed cygwin with the development tools package and I got two
>> versions of gcc (3.x and 4.x). In a cygwin shell, when I type 'gcc 
>> --version', I see that 3.x is the default. I also see that the mapping of
>> the version-less commands to the 3.x version is done through a series of
>> links.
>> 
>> I've googled this to death and can't find an answer. There's got to be an
>> easy way to switch over those links to refer to 4.x, no? Some script or
>> tool that handles changing all the links?
>> 
> 
> man alternatives
> 
> for seeing current settings: $/usr/sbin/alternatives --display gcc


  OP didn't say which version of gcc-4 is in use, but if it's 1.7's
gcc4-4.3.4-1, then "set-gcc-default-3.sh" or "set-gcc-default-4.sh" should do
the job.

    cheers,
      DaveK



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