usage: /usr/bin/makeconv [-options] files...
	read .ucm codepage mapping files and write .cnv files
options:
	-h or -? or --help  this usage text
	-V or --version     show a version message
	-c or --copyright   include a copyright notice
	-d or --destdir     destination directory, followed by the path
	-v or --verbose     Turn on verbose output
	-q or --quiet       do not display warnings and progress
	-s or --sourcedir   source directory, followed by the path
	      --small       Generate smaller .cnv files. They will be
	                    significantly smaller but may not be compatible with
	                    older versions of ICU and will require heap memory
	                    allocation when loaded.
	      --ignore-siso-check         Use SI/SO other than 0xf/0xe.