Print a warning with unknown SCons variables to ease troubleshooting

When disabling specific modules, misspellings can occur. Additionally,
when switching between the `3.x` and `master` branches frequently,
it's possible to forget about renamed modules such as `lightmapper_cpu`
versus `lightmapper_rd`.

(cherry picked from commit 69b2d3f791)
This commit is contained in:
Hugo Locurcio 2021-11-21 17:32:15 +01:00 committed by Rémi Verschelde
parent 0ba1d8d8bd
commit c3f4d3afbe
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GPG key ID: C3336907360768E1

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@ -289,6 +289,13 @@ opts.Update(env_base)
env_base["platform"] = selected_platform # Must always be re-set after calling opts.Update().
Help(opts.GenerateHelpText(env_base))
# Detect and print a warning listing unknown SCons variables to ease troubleshooting.
unknown = opts.UnknownVariables()
if unknown:
print("WARNING: Unknown SCons variables were passed and will be ignored:")
for item in unknown.items():
print(" " + item[0] + "=" + item[1])
# add default include paths
env_base.Prepend(CPPPATH=["#"])