Dear all,

  I got the compile error while building gazebo 0.5.1. Any ideas what may be wrong

 

make[5]: Entering directory `gazebo/gazebo-0.5.1/server/models/ClodBuster'

if g++ -DHAVE_CONFIG_H -I. -I. -I../../..  -I../../../server -I../../../server/bodies -I../../../toolkit -I../../../libgazebo -Wall -I. -I../../../server -I../../../server/bodies -I../../../server/sensors -I../../../server/gui -I../../../libgazebo -I/usr/include/libxml2   -DGLX_GLXEXT_PROTOTYPES=1  -g -g -O2 -MT ClodBuster.o -MD -MP -MF ".deps/ClodBuster.Tpo" \

  -c -o ClodBuster.o `test -f 'ClodBuster.cc' || echo './'`ClodBuster.cc; \

then mv -f ".deps/ClodBuster.Tpo" ".deps/ClodBuster.Po"; \

else rm -f ".deps/ClodBuster.Tpo"; exit 1; \

fi

ClodBuster.cc: In method `void ClodBuster::IfacePutData ()':

ClodBuster.cc:509: `NAN' undeclared (first use this function)

ClodBuster.cc:509: (Each undeclared identifier is reported only once

for each function it appears in.)