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Answer 1

+1 A:

I'm guessing it's version 3 of g++. just like g++-4.1.2 would be version 4.1.2

Pete 2010-09-02 23:26:02

And it would be a fairly old version of the compiler - the current release is (AFAIK) 4.5.1. The very last 3.x release was 3.4.6 and that was made a year or more ago.

Jonathan Leffler 2010-09-02 23:28:12

I would expect the newer version of g++ / gcc to maintain its name! This appears not to be the case since I have to call it explicitly as gcc-3.... Does anyone knows if the same applies for LINUX systems as well?

JohnP 2010-09-02 23:38:00

@JohnP: perhaps you have multiple versions of gcc installed? gcc-3 might be the one you have that works, and you may have another version that's giving you the access denied error. BTW/FWIW: yes, on Linux gcc can be invoked as either gcc or gcc-<version number>. If you have gcc-4.x you *can't* call it gcc-3. (On my system it's gcc-4.4.)

Laurence Gonsalves 2010-09-02 23:49:11

Answer 2

A:

To answer your point in the comment to Pete's answer, the gcc you type on the terminal is just a symlink to the actual gcc binary. It makes it easy to upgrade since you can just point the symlink to something else.


$ which gcc
/usr/bin/gcc
$ ll /usr/bin/gcc
lrwxrwxrwx 1 root root 7 2010-09-01 11:10 /usr/bin/gcc -> gcc-4.4*

Falmarri 2010-09-03 00:22:18

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What is g++-3 / gcc-3?

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