dependencies/dub: Handle a MissingCompiler gracefully

dcbaker · Dec 4, 2023 · 8999d15 · 8999d15
1 parent 63a21eb
commit 8999d15
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/mesonbuild/dependencies/base.py b/mesonbuild/dependencies/base.py
@@ -57,6 +57,8 @@ class MissingCompiler(_MissingCompilerBase):
     """Represent a None Compiler - when no tool chain is found.
     replacing AttributeError with DependencyException"""
 
+    language = 'missing'
+
     # These are needed in type checking mode to avoid errors, but we don't want
     # the extra overhead at runtime
     if T.TYPE_CHECKING:

diff --git a/mesonbuild/dependencies/dub.py b/mesonbuild/dependencies/dub.py
@@ -43,7 +43,10 @@ def __init__(self, name: str, environment: 'Environment', kwargs: DependencyKw):
         from ..compilers.d import DCompiler, d_feature_args
 
         _temp_comp = super().get_compiler()
-        assert isinstance(_temp_comp, DCompiler)
+        if _temp_comp.language == 'missing':
+            self.is_found = False
+            return
+        assert isinstance(_temp_comp, DCompiler), 'Compiler must be a D language compiler'
         self.compiler = _temp_comp
 
         if DubDependency.class_dubbin is None and not DubDependency.class_dubbin_searched: