Re: How to set the GCC System Version? GCC_VERSION - gcc_select?
Re: How to set the GCC System Version? GCC_VERSION - gcc_select?
- Subject: Re: How to set the GCC System Version? GCC_VERSION - gcc_select?
- From: Paul Russell <email@hidden>
- Date: Thu, 3 Sep 2009 22:20:27 +0100
/usr/bin/gcc is just a symbolic link, so it shouldn't be rocket
surgery to change it to point at /usr/bin/gcc-4.0 instead of /usr/bin/
gcc-4.2, e.g.
% sudo ln -fs /usr/bin/gcc-4.0 /usr/bin/gcc
and similarly for g++ of course.
Paul
On 3 Sep 2009, at 22:03, Dave Thorup wrote:
Now that Snow Leopard has switched the system default GCC version to
4.2 I'm wondering if there's any way to switch it back, globally, to
4.0? In previous Mac OS X versions there was a gcc_select script
that would do the trick but I think that's been removed since
Leopard (10.5). So is there any replacement for it? Is there any
way to easily change the default GCC version?
The issue I'm having is that we use Qt (http://qt.nokia.com/) for
application development and so our Xcode projects are generated via
qmake. Whenever we add/remove a file to our project we do it to the
Qt project file and then rebuild the Xcode project. We can't just
set the GCC version once and forget about it because our Xcode
projects are regenerated fairly often. The problem is that there's
no way that I know of using qmake to set the GCC_VERSION for the
generated Xcode project. So I have to set it manually to 4.0 every
time I regenerate the Xcode project (this gets annoying very quickly).
So my options are to either figure out how to globally set the
system GCC version to 4.0 or figure out how to hack qmake to set the
GCC_VERSION to 4.0 whenever it generates an Xcode project. Are
there any other Qt developers out there that have run into this
problem? Does anyone have a good solution?
Oh, and really shouldn't Xcode automatically switch to GCC 4.0 if
the MACOSX_DEPLOYMENT_TARGET is set to 10.4 or earlier (We have it
set to 10.3)?
Thanks!
--
Dave Thorup
Software Engineer
http://bibblelabs.com
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