Basic building environemnt stolen from Macports

* Use macports Makefile
* At least by now, supply hardcoded building variables to make (build.sh)
* Applied the following macport patches to ensure everything builds:

--->  Applying ld64-version.patch
--->  Applying ld64-133-no-CrashReporterClient.h.patch
--->  Applying ld64-134-missing-include.patch
--->  Applying ld64-136-i386-badAddress.patch
--->  Applying PR-16935960.patch
--->  Applying PR-16936488.patch
--->  Applying ld64-236-hash_set.patch