oraswit can't find the libclntsh.a file.
In the .mak file you will find the libpath where he expects to find it.
best you create a link /opt/oracle/product/<version>/lib32 to your $ORACLE_HOME ...
When trying to create the database tables with fmczutil I manage to create the tables but initialization of the database fails.
I get the following error:
FMC33130I Initializing the database.
FMC33 ...