<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><DIV>Thanks Josh,</DIV>
<DIV>It works.</DIV>
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<B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> Josh Faust <jfaust@willowgarage.com><BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> User discussions <ros-users@code.ros.org><BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, October 7, 2010 5:32:06<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [ros-users] Communicating between two user created packages<BR></FONT><BR>
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<DIV style="FONT-FAMILY: times new roman, new york, times, serif; FONT-SIZE: 12pt"><BR>undefined reference to `my_namespace::X::X()`<BR><BR></DIV></DIV></DIV></BLOCKQUOTE>
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<DIV>You need to add the linker flags to the exports as well. For example, from roslib:</DIV>
<DIV>lflags="-Wl,-rpath,${prefix}/lib -L${prefix}/lib -lroslib"</DIV>
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<DIV>Josh</DIV>
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