Help with DYLD_LIBRARY_PATH

[Chris Jones]

> Non I want but build Saga, and use pre-built frameworks shared by other softwares.
>
> So what i want is to use the provided basic libs available in MacPorts, but it also use the ones i pointed
> /Library/Frameworks/GEOS.framework/Versions/Current/unix/lib
> /Library/Frameworks/GDAL.framework/Versions/Current/unix/lib
> /Library/Frameworks/PROJ.framework/Versions/Current/unix/lib

That is intentionally not supported by MacPorts, for various good 
reasons. See

https://trac.macports.org/wiki/FAQ#syslibs

Chris