feat: loud scalar drop

Author: gmelodie

ffi/codegen/meta.nim

@@ -173,7 +173,8 @@ const ffiOutputDir* {.strdefine.} = ""
 # set with -d:ffiSrcPath=../relative/path.nim
 const ffiSrcPath* {.strdefine.} = ""
 
-# When set to true, scalar-only `abi = c` procs (which have no foreign-binding codegen
-# yet) are silently omitted from the generated bindings instead of failing the
-# build. Off by default so the drop is loud; see genBindings().
+# When set, scalar-only `abi = c` procs are silently omitted from bindings
+# generated by targets without scalar codegen (every target except `c_abi`)
+# instead of failing the build. Off by default so the drop is loud; see
+# genBindings().
 const ffiAllowScalarSkip* {.booldefine.} = false