[SAC-HELP] Problem in installing SAC v101.2 - Mac

[Nadav Wetzler]

> Thank you for sending me the Seismic Analysis Code software, Mac  
> version v101.2
>
> I read the attached installation txt file. However, I have a problem  
> with the installation. When I type "make install", I get:
> Making install in libedit
> make[2]: Nothing to be done for `install-exec-am'.
> make[2]: Nothing to be done for `install-data-am'.
> Making install in utils
> test -z "/usr/local/sac/bin" || /Users/nadavwetzler/documents/ 
> university/phd/softwares/sac-101.2/config/install-sh -d "/usr/local/ 
> sac/bin"
> mkdir: /usr/local/sac: Permission denied
> make[2]: *** [install-binPROGRAMS] Error 1
> make[1]: *** [install-am] Error 2
> make: *** [install-recursive] Error 1
>
> I set the Permission to "Read & Write" for the sac-101.2 folder.
>
> What am I missing??
>
> I'm using a MacBook 2.4, with Mac OS X version 10.5.7
>
> Thanks