codegen: Skip visiting fast-vapis

Skip visiting fast-vapis in the code generator when not writing a header
file.  For builds with a very large number of fast-vapi files this can
reduce compile time by more than 50%.

diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 1fe41ffd1f50165424d43cc6974428c56085c4c5..6069360979b0991c1845d61a30439d35e326c237 100644 (file)
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -417,7 +417,8 @@ public class Vala.CCodeBaseModule : CodeGenerator {
                /* we're only interested in non-pkg source files */
                var source_files = context.get_source_files ();
                foreach (SourceFile file in source_files) {
-                       if (file.file_type != SourceFileType.PACKAGE) {
+                       if (file.file_type == SourceFileType.SOURCE ||
+                           (context.header_filename != null && file.file_type == SourceFileType.FAST)) {
                                file.accept (this);
                        }
                }