[Qt module] add some logic to detect if resources are in build dir

In order to handle generated resources embedded in qrc file, we
need to be able to detect if files pointed from qrc are in build
directory or not.

Signed-off-by: Alexis Jeandet <alexis.jeandet@member.fsf.org>

1 files changed, 21 insertions, 1 deletions

diff --git a/mesonbuild/modules/qt.py b/mesonbuild/modules/qt.py
index 11f10b3..77b1bb4 100644
--- a/mesonbuild/modules/qt.py
+++ b/mesonbuild/modules/qt.py
@@ -88,7 +88,27 @@ class QtBaseModule:
                     mlog.warning("malformed rcc file: ", os.path.join(state.subdir, rcc_file))
                     break
                 else:
-                    result.append(os.path.join(relative_part, child.text))
+                    resource_path = child.text
+                    # We need to guess if the pointed resource is:
+                    #   a) in build directory -> implies a generated file
+                    #   b) in source directory
+                    #   c) somewhere else external dependency file to bundle
+                    if os.path.isabs(resource_path):
+                        # a)
+                        if resource_path.startswith(os.path.abspath(state.environment.build_dir)):
+                            resource_relpath = os.path.relpath(resource_path, state.environment.build_dir)
+                            result.append(File(is_built=True, subdir=state.subdir, fname=resource_relpath))
+                        # either b) or c)
+                        else:
+                            result.append(File(is_built=False, subdir=state.subdir, fname=resource_path))
+                    else:
+                        # a)
+                        if os.path.exists(state.environment.build_dir+resource_path):
+                            result.append(File(is_built=True, subdir=state.subdir, fname=resource_path))
+                        # b)
+                        else:
+                            result.append(File(is_built=False, subdir=state.subdir,
+                                           fname=os.path.join(relative_part, resource_path)))
             return result
         except Exception:
             return []