Cannot install Geneweb after migration from Leopard to Snow Leopard

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I tried to install geneweb after I went through the migration process, but it failed. The log is shown below:

[Users/jeffery] > install geneweb -d
--->  Computing dependencies for geneweb
--->  Building geneweb
Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_genealogy_geneweb/work/geneweb-5.01" && /usr/bin/make -j2 all " returned error 2
Command output: cd wserver; /usr/bin/make opt
make[1]: Nothing to be done for `opt'.
cd dag2html; /usr/bin/make opt
make[1]: Nothing to be done for `opt'.
cd src; /usr/bin/make PREFIX=/usr opt
camlp5r pa_extend.cmo q_MLast.cmo pa_macro.cmo -DUNIX -o def.syn.ppo def.syn.ml
camlp5r pa_macro.cmo -DUNIX -o argl.ppo argl.ml
ocamlc.opt -warn-error A -I ../wserver -I ../dag2html  -I +camlp5 -c -impl def.syn.ppo
File "def.syn.ppo", line 1, characters 0-1:
Warning X: bad source file name: "Def.syn" is not a valid module name.
ocamlopt.opt -warn-error A -I ../wserver -I ../dag2html -I +camlp5 -c -impl argl.ppo
File "def.syn.ml", line 1, characters 0-1:
Error: Error-enabled warnings (1 occurrences)
make[1]: *** [def.syn.cmo] Error 2
make[1]: *** Waiting for unfinished jobs....
/bin/rm -f argl.ppo
make: *** [opt] Error 2

Error: Status 1 encountered during processing.

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