SCons: Refactor running commands through builders

A new `env.Run` method is added which allows to control the verbosity
of builders output automatically depending on whether the "verbose"
option is set. It also allows to optionally run any SCons commands in a
subprocess using the existing `run_in_subprocess` method, unifying
the interface. `Action` objects wrap all builder functions to include a
short build message associated with any action.

Notably, this removes quite verbose output generated by `make_doc_header`
and `make_editor_icons_action` builders.

1 files changed, 16 insertions, 2 deletions

diff --git a/modules/SCsub b/modules/SCsub
index 2d774306e4..edfc4ed9c6 100644
--- a/modules/SCsub
+++ b/modules/SCsub
@@ -10,14 +10,28 @@ env_modules = env.Clone()
 Export("env_modules")
 
 # Header with MODULE_*_ENABLED defines.
-env.CommandNoCache("modules_enabled.gen.h", Value(env.module_list), modules_builders.generate_modules_enabled)
+env.CommandNoCache(
+    "modules_enabled.gen.h",
+    Value(env.module_list),
+    env.Run(
+        modules_builders.generate_modules_enabled,
+        "Generating enabled modules header.",
+        # NOTE: No need to run in subprocess since this is still executed serially.
+        subprocess=False,
+    ),
+)
 
 # Header to be included in `tests/test_main.cpp` to run module-specific tests.
 if env["tests"]:
     env.CommandNoCache(
         "modules_tests.gen.h",
         Value(env.module_list),
-        Action(modules_builders.generate_modules_tests, "Generating modules tests header."),
+        env.Run(
+            modules_builders.generate_modules_tests,
+            "Generating modules tests header.",
+            # NOTE: No need to run in subprocess since this is still executed serially.
+            subprocess=False,
+        ),
     )
     env.AlwaysBuild("modules_tests.gen.h")