ORBit 0.5.4 compilation error(newbie)

["Brentley S Felton" <bsfelton mobilesque com>]

I am trying to install ORBit 0.5.4 on a Solaris 7 intel machine.  I receive
the message when trying to run make after configure (with no options).  Any
help with this would be greatly appreciated.

[bsfelton opal ORBit-0.5.4]$ make
make  all-recursive
Making all in popt
make  all-recursive
Making all in intl
Making all in po
make: Fatal error in reader: Makefile, line 90: Macro assignment on
dependency line
Current working directory /usr/local/ORBit-0.5.4/popt/po
*** Error code 1
make: Fatal error: Command failed for target `all-recursive'
Current working directory /usr/local/ORBit-0.5.4/popt
*** Error code 1
make: Fatal error: Command failed for target `all-recursive-am'
Current working directory /usr/local/ORBit-0.5.4/popt
*** Error code 1
make: Fatal error: Command failed for target `all-recursive'
Current working directory /usr/local/ORBit-0.5.4
*** Error code 1
make: Fatal error: Command failed for target `all-recursive-am'