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-rw-r--r--mesonbuild/interpreter.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index 0571eba..bbc98d4 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -3070,6 +3070,8 @@ external dependencies (including libraries) must go to "dependencies".''')
if disabled:
mlog.log('Dependency', mlog.bold(display_name), 'skipped: feature', mlog.bold(feature), 'disabled')
return DependencyHolder(NotFoundDependency(self.environment), self.subproject)
+ if'default_options' in kwargs and 'fallback' not in kwargs:
+ mlog.warning('The "default_options" keyworg argument does nothing without a "fallback" keyword argument.')
# writing just "dependency('')" is an error, because it can only fail
if name == '' and required and 'fallback' not in kwargs: