need a good way to determine the OS from a BASH script

[Vic Gedris]

"uname" is your friend for this.

$ uname
Linux

$ uname
SunOS

..etc..  Not sure what it reports for MacOS...

-Vic

Vic Gedris - http://vic.gedris.org
Toronto, Ontario, Canada - http://www.junctiontriangle.ca




On Tue, Mar 22, 2011 at 12:03 PM, bob 295 <icanprogram-sKcZck+fQKg at public.gmane.org> wrote:
> I'm in the process of debugging a Mac version of my SIMPL open source toolkit.
> With the GNU tools installed on the Mac the SIMPL toolkit compiles straight
> up without any conditional compilation ifdefs.    However, I've encountered
> an issue with the shmctl() function.    Linux allows a process to shmat()
> even if the segment was previously marked for destruction.   The Mac does
> not.   The reason for marking immediately after creation is to prevent shared
> memory leaks in cases of aborted processes.    As a result of this difference
> I'm going to have to introduce a conditional compile ifdef for the MACOSX.
>
> Ideally I'd like to be able to detect that I'm about to compile on the MAC
> inside the Makefile (or at least in the install script).    Any ideas on how
> one could reliably detect a Linux OS as opposed to a Mac OS?
>
> Thanks in advance for your help.
>
> bob
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