1 files changed, 34 insertions, 1 deletions
diff --git a/rules/CC/proto/RULES b/rules/CC/proto/RULES
index 65b8a7a..a191f16 100644
--- a/rules/CC/proto/RULES
+++ b/rules/CC/proto/RULES
@@ -7,7 +7,14 @@
     ]
   , "target_fields": ["base", "toolchain", "deps"]
   , "string_fields":
-    ["PROTOC", "LDFLAGS", "ADD_LDFLAGS", "GRPC_PLUGIN", "PATH"]
+    [ "PROTOC"
+    , "PROTOCFLAGS"
+    , "ADD_PROTOCFLAGS"
+    , "LDFLAGS"
+    , "ADD_LDFLAGS"
+    , "GRPC_PLUGIN"
+    , "PATH"
+    ]
   , "config_vars": ["ARCH", "HOST_ARCH"]
   , "field_doc":
     { "base":
@@ -41,6 +48,14 @@
       , "to be the relative path to the plugin in \"toolchain\". Specifying"
       , "this field overwrites values from \"base\"."
       ]
+    , "PROTOCFLAGS":
+      [ "Protobuf compiler flags. Specifying this field overwrites values from"
+      , "\"base\"."
+      ]
+    , "ADD_PROTOCFLAGS":
+      [ "Additional protobuf compiler flags. Specifying this field extends"
+      , "values from \"base\"."
+      ]
     , "LDFLAGS":
       [ "Linker flags for linking the final CC library. Specifying this field"
       , "overwrites values from \"base\"."
@@ -76,6 +91,7 @@
     { "type": "let*"
     , "bindings":
       [ ["PROTOC", {"type": "FIELD", "name": "PROTOC"}]
+      , ["PROTOCFLAGS", {"type": "FIELD", "name": "PROTOCFLAGS"}]
       , ["LDFLAGS", {"type": "FIELD", "name": "LDFLAGS"}]
       , ["GRPC_PLUGIN", {"type": "FIELD", "name": "GRPC_PLUGIN"}]
       , ["PATH", {"type": "FIELD", "name": "PATH"}]
@@ -87,6 +103,14 @@
           , "else": {"type": "CALL_EXPRESSION", "name": "base-provides"}
           }
         ]
+      , ["provider", "PROTOCFLAGS"]
+      , [ "PROTOCFLAGS"
+        , { "type": "if"
+          , "cond": {"type": "var", "name": "PROTOCFLAGS"}
+          , "then": {"type": "var", "name": "PROTOCFLAGS"}
+          , "else": {"type": "CALL_EXPRESSION", "name": "base-provides-++"}
+          }
+        ]
       , ["provider", "LDFLAGS"]
       , [ "LDFLAGS"
         , { "type": "if"
@@ -188,6 +212,14 @@
             }
           }
         ]
+      , [ "PROTOCFLAGS"
+        , { "type": "++"
+          , "$1":
+            [ {"type": "var", "name": "PROTOCFLAGS"}
+            , {"type": "FIELD", "name": "ADD_PROTOCFLAGS"}
+            ]
+          }
+        ]
       , [ "LDFLAGS"
         , { "type": "++"
           , "$1":
@@ -221,6 +253,7 @@
         { "type": "env"
         , "vars":
           [ "PROTOC"
+          , "PROTOCFLAGS"
           , "LDFLAGS"
           , "GRPC_PLUGIN"
           , "PATH"