Mike Beckerle created DAFFODIL-2600:
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Summary: Poor diagnostic if UTF-8 not properly set
Key: DAFFODIL-2600
URL: https://issues.apache.org/jira/browse/DAFFODIL-2600
Project: Daffodil
Issue Type: Bug
Components: Infrastructure
Affects Versions: 3.1.0, 3.2.0
Reporter: Mike Beckerle
A clear diagnostic is needed if, when building daffodil, the UTF-8 capabilities
are not properly setup. This otherwise leads to a long list of errors that are
not easily interpreted.
Note that LANG=en_US isn't sufficient. On some systems unicode/UTF-8 is the
default, on others some other charset for en_US. A portable check here may be
somewhat challenging, given that different systems have different defaults
(e.g, Linux MINT, vs. Linux Red-Hat, .... and that's just considering Linux.)
We know MS-Windows also requires specific UTF-8 configuration. So likely we
need a test that
(1) runs very early or first, so that the error message isn't lost in the mix
(2) checks that UTF-8 behaviors are working properly for Daffodil, regardless
of how that particular operating system variant must be configured to get those
settings.
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