diff --git a/metadef b/metadef
index c14d2be..5546f5f 160000
--- a/metadef
+++ b/metadef
@@ -1 +1 @@
-Subproject commit c14d2be38171eed63416e71178774103faf1f5cd
+Subproject commit 5546f5f4701130f2dd11a6d69817dc37d52c497e
diff --git a/parser/CMakeLists.txt b/parser/CMakeLists.txt
index c58092e..413e96e 100644
--- a/parser/CMakeLists.txt
+++ b/parser/CMakeLists.txt
@@ -49,6 +49,7 @@ add_library(fmk_parser SHARED ${SRC_LIST} ${PROTO_SRCS})
 target_compile_options(fmk_parser PRIVATE
     -Werror
     -Wno-deprecated-declarations
+    -fno-common
 )
 
 target_compile_definitions(fmk_parser PRIVATE
diff --git a/parser/common/CMakeLists.txt b/parser/common/CMakeLists.txt
index 7471782..cf22fee 100644
--- a/parser/common/CMakeLists.txt
+++ b/parser/common/CMakeLists.txt
@@ -33,6 +33,7 @@ add_library(parser_common SHARED ${SRC_LIST})
 target_compile_options(parser_common PRIVATE
     -Werror
     -Wno-deprecated-declarations
+    -fno-common
 )
 
 target_compile_definitions(parser_common PRIVATE
diff --git a/parser/onnx/CMakeLists.txt b/parser/onnx/CMakeLists.txt
index 9f68773..fd91d3a 100644
--- a/parser/onnx/CMakeLists.txt
+++ b/parser/onnx/CMakeLists.txt
@@ -19,6 +19,7 @@ add_library(fmk_onnx_parser SHARED ${SRC_LIST} ${PROTO_HDRS})
 target_compile_options(fmk_onnx_parser PRIVATE
     -Werror
     -Wno-deprecated-declarations
+    -fno-common
 )
 
 target_compile_definitions(fmk_onnx_parser PRIVATE