I solved also this problem, but from a different manner.
I installed from source, but IIRC I think you can't compile directly raw sources from the svn repo.
You should use the tgz I provide because I modified some code from the repo to be able to compile it on GNU/Linux.
Complete experimentation about how to install spasm on recent LGNU/Linux distributions :
http://ti-84-plus.com/blog/spasm-on-lin ... on-issues/(Sorry for the advertising)