modules/pkgconfig: Resolve dependencies in case of an internal dependency

When giving a dependency object as requires, allow to use the dependency from a
subproject (that is an InternalDepdency).

1 files changed, 8 insertions, 0 deletions

diff --git a/mesonbuild/modules/pkgconfig.py b/mesonbuild/modules/pkgconfig.py
index e3f7a972d..bef14e9ea 100644
--- a/mesonbuild/modules/pkgconfig.py
+++ b/mesonbuild/modules/pkgconfig.py
@@ -156,6 +156,14 @@ class DependenciesHelper:
                 pass
             elif isinstance(obj, dependencies.ExternalDependency) and obj.name == 'threads':
                 pass
+            elif isinstance(obj, dependencies.InternalDependency) and all(lib.get_id() in self.metadata for lib in obj.libraries):
+                # Ensure BothLibraries are resolved:
+                if self.pub_libs and isinstance(self.pub_libs[0], build.StaticLibrary):
+                    obj = obj.get_as_static(recursive=True)
+                else:
+                    obj = obj.get_as_shared(recursive=True)
+                for lib in obj.libraries:
+                    processed_reqs.append(self.metadata[lib.get_id()].filebase)
             else:
                 raise mesonlib.MesonException('requires argument not a string, '
                                               'library with pkgconfig-generated file '