libSM make fails

[Premal P. Vora]

last few lines of output:

-------------- begin ------------

checking for mawk... no
checking for nawk... nawk
checking whether make sets $(MAKE)... yes
checking whether to enable maintainer-specific portions of Makefiles... no
./configure: 3320: Syntax error: word unexpected (expecting ")")
===>  Script "configure" failed unexpectedly.
--------------- end -------------

This is right after doing a
portsnap fetch update
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