fix demo cmakelist of protobuf

Author: tigersk

demo/CMakeLists.txt

@@ -26,6 +26,7 @@ if(UNIX) # Darwing or Linux
     set(Protobuf_LIBRARY "/usr/local/opt/protobuf/lib/libprotobuf.dylib")
     # find_path(Protobuf_INCLUDE_DIR NAMES google/protobuf/service.h)
     # find_library(Protobuf_LIBRARY NAMES protobuf)
+    # find_package(Protobuf REQUIRED)
     message(STATUS "Protobuf version: ${Protobuf_VERSION}")
     message(STATUS "Protobuf include dir: ${Protobuf_INCLUDE_DIR}")
     message(STATUS "Protobuf libraries: ${Protobuf_LIBRARY}")
@@ -72,6 +73,15 @@ add_executable(${PROJECT_NAME} openapi_cpp_test/openapi_cpp_test.cpp)
 # headers search paths ...
 set(HEADER_SEARCH_PATHS ${CPPREST_INCLUDE_DIR} ${Boost_INCLUDE_DIR} ${OPENSSL_INCLUDE_DIR} ${TIGERAPI_INCLUDE_DIR} ${Protobuf_INCLUDE_DIR})
 
+# 在 HEADER_SEARCH_PATHS 如果有 /opt/homebrew/include, 则将其移到最后(因为其中的protobuf是homebrew的， 会优先于自定义的protobuf)
+if(HEADER_SEARCH_PATHS MATCHES "/opt/homebrew/include")
+    list(REMOVE_ITEM HEADER_SEARCH_PATHS "/opt/homebrew/include")
+    list(APPEND HEADER_SEARCH_PATHS "/opt/homebrew/include")
+endif()
+message(HEADER_SEARCH_PATHS " ${HEADER_SEARCH_PATHS}")
+
+
+
 # library search paths ...
 if(APPLE)
     set(OPENSSL_LIBS "${OPENSSL_LIBRARIES}")