tweak

Author: bobzhang

jscomp/bsb/bsb_ninja_rule.ml

@@ -129,7 +129,8 @@ let make_custom_rules
       ~is_dev 
       ~postbuild : string =     
     Ext_buffer.clear buf;
-    Ext_buffer.add_string buf "$bsc $g_pkg_flg -color always";
+    Ext_buffer.add_string buf "$bsc -color always";
+    Ext_buffer.add_ninja_prefix_var buf Bsb_ninja_global_vars.g_pkg_flg;
     if bs_suffix then
       Ext_buffer.add_string buf " -bs-suffix";
     if read_cmi then