When things are remapped by the Symbian Source File Remapping only capture the directory the file was discovered in, not the entire drive.
bin.includes = plugin.xml,\
META-INF/,\
plugin.properties,\
schema/
src.includes = bin/com/
jars.compile.order = bin/componentAPI.jar
output.bin/componentAPI.jar = bin/
source.bin/componentAPI.jar = src/