C#: Let platforms signal if they support the mono module or not

modules/mono/config.py

@@ -1,8 +1,3 @@
-# Prior to .NET Core, we supported these: ["windows", "macos", "linuxbsd", "android", "web", "ios"]
-# Eventually support for each them should be added back.
-supported_platforms = ["windows", "macos", "linuxbsd", "android", "ios"]
-
-
 def can_build(env, platform):
     if env["arch"].startswith("rv"):
         return False
@@ -14,9 +9,10 @@ def can_build(env, platform):
 
 
 def configure(env):
-    platform = env["platform"]
+    # Check if the platform has marked mono as supported.
+    supported = env.get("supported", [])
 
-    if platform not in supported_platforms:
+    if not "mono" in supported:
         raise RuntimeError("This module does not currently support building for this platform")
 
     env.add_module_version_string("mono")

platform/android/detect.py

@@ -68,6 +68,7 @@ def get_flags():
     return [
         ("arch", "arm64"),  # Default for convenience.
         ("target", "template_debug"),
+        ("supported", ["mono"]),
     ]
 
 

platform/ios/detect.py

@@ -49,6 +49,7 @@ def get_flags():
         ("arch", "arm64"),  # Default for convenience.
         ("target", "template_debug"),
         ("use_volk", False),
+        ("supported", ["mono"]),
     ]
 
 

platform/linuxbsd/detect.py

@@ -65,6 +65,7 @@ def get_doc_path():
 def get_flags():
     return [
         ("arch", detect_arch()),
+        ("supported", ["mono"]),
     ]
 
 

platform/macos/detect.py

@@ -50,6 +50,7 @@ def get_flags():
     return [
         ("arch", detect_arch()),
         ("use_volk", False),
+        ("supported", ["mono"]),
     ]
 
 

platform/windows/detect.py

@@ -215,6 +215,7 @@ def get_flags():
 
     return [
         ("arch", arch),
+        ("supported", ["mono"]),
     ]