meson.build (gen_docs): Use `current_source_dir` instead of `source_root`.
These two are not equal when FreeType is used as a subproject, such as in
`freetype-demos`. In that case, `source_root` points at the root project,
causing the docs build to fail.
diff --git a/meson.build b/meson.build
index 5efb33d..97f3099 100644
--- a/meson.build
+++ b/meson.build
@@ -391,7 +391,7 @@
command: [python_exe,
files('builds/meson/generate_reference_docs.py'),
'--version=' + meson.project_version(),
- '--input-dir=' + meson.source_root(),
+ '--input-dir=' + meson.current_source_dir(),
'--output-dir=@OUTPUT@'
],
)
