SuperBuild: FFTW: build with --disable-dependency-tracking
SuperBuild: FFTW: build with --disable-dependency-tracking

dependency tracking if enabled can be an issue later when
loading the dylib. A similar case is seen with sqlite.dylib
custom and installed one. see here:
http://sqlite.1065341.n5.nabble.com/
Mac-OS-Snow-Leopard-32bit-vs-64bit-td53772.html

orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB