Help with "port upgrade outdated" errors

[Achilles Vassilicos]

On 1/8/13 6:15 PM, Ryan Schmidt wrote:
> On Jan 8, 2013, at 15:36, Eneko Gotzon Ares wrote:
>
>> On Jan 8, 2013, at 9:19 PM, Ryan Schmidt wrote:
>>
>>> Open Xcode.app, visit the Preferences window, go to the Downloads section, and install or update the command line tools from there.
>> Every time I try to get that Download section, I cannot find it... It seems that it doesn't exist in my Xcode preferences window... I do something wrong?
>> <Picture 9.png.zip>
> That screenshot shows an old version of Xcode, possibly Xcode 3.2.x which was for OS X 10.6 Snow Leopard. What does it say if you go to About Xcode from the Xcode menu?
>
> Honestly, it also looks like that screenshot was taken on an old version of OS X. The shape of the OK, Cancel and Apply buttons in the lower right corner is how those buttons look on OS X 10.6 Snow Leopard and earlier; in OS X 10.7 Lion and later they're more square and less rounded. Did you really take that screenshot on your computer? If so let's verify what version of OS X you actually have by running these two commands:
>
> uname -v
> sw_vers
>
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>
Here is the output:
av-MacBook-Pro:~ av$ uname -v
Darwin Kernel Version 12.2.0: Sat Aug 25 00:48:52 PDT 2012; 
root:xnu-2050.18.24~1/RELEASE_X86_64
av-MacBook-Pro:~ av$ sw_vers
ProductName:    Mac OS X
ProductVersion:    10.8.2
BuildVersion:    12C60

It seems that there are more issues with my installation, because I get 
other fatal errors deeper into the following installs (specifically the 
installation is trying to install gnuplot and it fails):
     sudo port install g95
     sudo port install docbook-xml

The history is that I upgraded from OS X 10.6.8 to 10.8.2, then removed 
the installed Xcode (pre 4) by executing

sudo /Developer/Library/uninstall-devtools --mode=all

Finally, I have been trying to install Xcode 4.5.2.  While installing 
Xcode 4.5.2, I have run into some confusion:

1. Downloaded xcode4520418508a.dmg and opened it
2. When I open it, I see an Xcode application. When open, it does not 
show an install option (which is what I would have expected).
3. It seems that all I can do is drag the Xcode application into the 
/Applications forder
4. The directory tree of this Xcode application is 
/Applications/Xcode/Contents/Library/ ...etc.  It that right? I would 
have expected to see /Applications/Xcode/Library/ ..., because the V4 
documentation shows the uninstall command as

sudo <Xcode>/Library/uninstall-devtools --mode=all

Please set me straight.


What I want to do is clean up all Xcode and MacPorts stuff and start 
over.  Here are some confusing points