error building nn

[Brad Salai]

Trying to build nn from sources supped Saturday, produces:

===> Registering installation for nntpclnt-1.6.1
===> Patching for nn-6.5.0
===> Applying NetBSD patches for nn-6.5.0
===> Configuring for nn-6.5.0
===> Building for nn-6.5.0
cp xmakefile MF.c
cc -E -DCOMPILER="cc" -DPREPROC="cc -E" -DLDEBUG="-s" -DCDEBUG="-O" -Iconf MF.c | sed -e '1,/MAKE WILL CUT HERE/d' -e '/^#/d' -e '/^[ \f ]$/d' -e '/^[ \/]*[*]/d' | sed -n -e '/^..*$/p' > ymakefile
MF.c:177: unterminated string or character constant
MF.c:177: possible real start of unterminated constant
rm -f MF.c
make -f ymakefile all
cc -Iconf -O -c nn.c
cc -Iconf -O -c admin.c
In file included from /usr/include/signal.h:42,
from admin.c:7:
/usr/include/sys/signal.h:157: syntax error before `size_t'
*** Error code 1

Stop.

Any ideas?

brad