From ae9219ab4f6e7f130fc091be5d9792a0aea09673 Mon Sep 17 00:00:00 2001
From: daquexian <daquexian566@gmail.com>
Date: Wed, 16 Oct 2019 10:58:44 +0800
Subject: [PATCH] Use variables instead of target in cmake < 3.9

---
 tools/onnx2bnn/CMakeLists.txt | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/tools/onnx2bnn/CMakeLists.txt b/tools/onnx2bnn/CMakeLists.txt
index 297db07..d07a175 100644
--- a/tools/onnx2bnn/CMakeLists.txt
+++ b/tools/onnx2bnn/CMakeLists.txt
@@ -14,9 +14,21 @@ add_library(onnx2bnn
 target_link_libraries(onnx2bnn
     glog::glog
     onnx
-    protobuf::libprotobuf
     flatbuffers
     )
+if (CMAKE_VERSION VERSION_LESS "3.9.0")
+    target_link_libraries(onnx2bnn
+        # ${PROTOBUF_LIBRARIES} and ${PROTOBUF_INCLUDE_DIRS} is for cmake 3.5
+        ${PROTOBUF_LIBRARIES} ${Protobuf_LIBRARIES})
+    target_include_directories(onnx2bnn
+        PUBLIC
+        ${PROTOBUF_INCLUDE_DIRS} ${Protobuf_INCLUDE_DIRS})
+else()
+    target_link_libraries(onnx2bnn
+        protobuf::libprotobuf
+        )
+endif()
+
 target_include_directories(onnx2bnn
     PUBLIC
     ${PROJECT_SOURCE_DIR}