Add support for opaque build targets. Closes #10627.biggen

1 files changed, 20 insertions, 1 deletions

diff --git a/mesonbuild/utils/universal.py b/mesonbuild/utils/universal.py
index aaefbc5..a8f2d97 100644
--- a/mesonbuild/utils/universal.py
+++ b/mesonbuild/utils/universal.py
@@ -1,4 +1,4 @@
-# Copyright 2012-2020 The Meson development team
+# Copyright 2012-2022 The Meson development team
 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -94,6 +94,7 @@ __all__ = [
     'get_compiler_for_source',
     'get_filenames_templates_dict',
     'get_library_dirs',
+    'get_opaque_data',
     'get_variable_regex',
     'get_wine_shortpath',
     'git',
@@ -2277,3 +2278,21 @@ def first(iter: T.Iterable[_T], predicate: T.Callable[[_T], bool]) -> T.Optional
         if predicate(i):
             return i
     return None
+
+class OpaqueData:
+    def __init__(self, scratch, out, stamp, dep):
+        self.scratch = scratch
+        self.out = out
+        self.stamp = stamp
+        self.dep = dep
+
+def get_opaque_data(subproject, target_name):
+    if subproject:
+        sub_str = subproject + '_'
+    else:
+        sub_str = ''
+    gendir = 'meson-gen'
+    return OpaqueData(os.path.join(gendir, sub_str, target_name + '_s'),
+                      os.path.join(gendir, sub_str, target_name),
+                      target_name + '.stamp',
+                      target_name + '.d')