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+## Generators have a new `depends` keyword argument
+
+Generators can now specify extra dependencies with the `depends`
+keyword argument. It matches the behaviour of the same argument in
+other functions and specifies that the given targets must be built
+before the generator can be run. This is used in cases such as this
+one where you need to tell a generator to indirectly invoke a
+different program.
+
+```meson
+exe = executable(...)
+cg = generator(program_runner,
+    output: ['@BASENAME@.c'],
+    arguments: ['--use-tool=' + exe.full_path(), '@INPUT@', '@OUTPUT@'],
+    depends: exe)
+```