How does Macport work?
Ryan Schmidt
ryandesign at macports.org
Wed Jun 10 21:48:41 PDT 2009
On Jun 10, 2009, at 19:08, Timothy Goins wrote:
> Fon's question got me thinking. While /opt/local/bin precedes /usr/
> bin in my $PATH, when I `which gcc` I get /usr/bin/gcc. Huh?
> Since I've never had insurmountable compiler glitches, I'd lost
> track of how I'd worked around previous issues. I have created a
> mess! In /usr/bin/ I've got two executables, gcc-4.0 and gcc-4.2
> (renamed mp files, if I recall correctly) and two links:
>
> gcc -> /usr/bin/gcc-4.0 and
> gcc-4.3 -> /opt/local/bin/gcc-mp-4.3
>
> In /opt/local/bin, I've got gcc-mp-4.3 and gcc-mp-4.4 (and the
> gccbug executables).
>
> I would like to be able to type gcc and fire up the latest C
> compiler (gcc-mp-4.4?), which is not as problem; however, I don't
> want to try to compile older code that might (?) not be compatible
> with gcc-mp 4.4.
>
> What is the "clean", correct way to manage my C compiler(s)?
The gcc_select port exists to help you create a symlink called "gcc"
in /opt/local/bin pointing to whatever version of MacPorts-installed
gcc you would like to use.
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