Revert "Tighten up compiler flags for aidl"

This reverts commit eea2353a34.

This seems to have broken the build because whatever compiler the builder is using doesn't understand the same "turn off this warning" flags as my local host's compiler.

Change-Id: Ic68b7065b161a5ae683b7082c67147835833e0fa

tools/aidl/Android.mk

@@ -8,17 +8,6 @@ ifeq ($(TARGET_BUILD_APPS)$(filter true,$(TARGET_BUILD_PDK)),)
 LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
-LOCAL_CFLAGS := -g -Wall -Werror
-# Tragically, the code is riddled with unused parameters.
-LOCAL_CFLAGS += -Wno-unused-parameter
-# yacc dumps a lot of code *just in case*.
-LOCAL_CFLAGS += -Wno-unused-function
-LOCAL_CFLAGS += -Wno-unneeded-internal-declaration
-# yacc is a tool from a more civilized age.
-LOCAL_CFLAGS += -Wno-deprecated-register
-# yacc also has a habit of using char* over const char*.
-LOCAL_CFLAGS += -Wno-writable-strings
-
 LOCAL_SRC_FILES := \
 	aidl_language_l.l \
 	aidl_language_y.y \
@@ -32,6 +21,7 @@ LOCAL_SRC_FILES := \
 	generate_java_binder.cpp \
 	generate_java_rpc.cpp
 
+LOCAL_CFLAGS := -g
 LOCAL_MODULE := aidl
 
 include $(BUILD_HOST_EXECUTABLE)

tools/aidl/aidl.cpp

@@ -165,6 +165,11 @@ import_import_parsed(buffer_type* statement)
 {
 }
 
+static ParserCallbacks g_importCallbacks = {
+    &main_document_parsed,
+    &import_import_parsed
+};
+
 // ==========================================================
 static int
 check_filename(const char* filename, const char* package, buffer_type* name)