Allow target to overide rules.

cutekit/builder.py

@@ -289,7 +289,7 @@ def gen(out: TextIO, scope: TargetScope):
         w.variable(i + "flags", " ".join(rule.args + tool.args))
         w.rule(
             i,
-            f"{tool.cmd} {rule.rule.replace('$flags',f'${i}flags')}",
+            f"{tool.cmd} {(tool.rule or rule.rule).replace('$flags',f'${i}flags')}",
             depfile=rule.deps,
         )
         w.newline()

cutekit/model.py

@@ -248,6 +248,7 @@ class Tool(DataClassJsonMixin):
     cmd: str = dt.field(default="")
     args: list[str] = dt.field(default_factory=list)
     files: list[str] = dt.field(default_factory=list)
+    rule: Optional[str] = None
 
 
 Tools = dict[str, Tool]

cutekit/rules.py

@@ -51,7 +51,7 @@ rules: dict[str, Rule] = {
         "ld",
         ["*.o", "*.a"],
         "*.out",
-        "-o $out $objs -Wl,--whole-archive $wholeLibs -Wl,--no-whole-archive $libs $flags",
+        "-o $out $objs --whole-archive $wholeLibs --no-whole-archive $libs $flags",
     ),
 }