Steve,
In the 14 Jun 2011 patch, you changed a bunch of files in src/MAKE to include the PKG_SYSINC variable:
EXTRA_INC = \(LMP\_INC\) (PKG_INC) \(MPI\_INC\) (FFT_INC) \(JPG\_INC\) {PKG_SYSINC)
but that curly brace ('{') should actually be a left parenthesis ('('), otherwise make complains.