Do not expose the whole 3rdparty folder as a include_directory

Author: ericriff

3rdparty/cppzmq/CMakeLists.txt

@@ -1,4 +1,13 @@
+find_package(ZeroMQ REQUIRED)
+
 add_library(cppzmq INTERFACE)
+if(TARGET libzmq-static)
+    target_link_libraries(cppzmq INTERFACE libzmq-static)
+elseif(TARGET libzmq)
+    target_link_libraries(cppzmq INTERFACE libzmq)
+else()
+    message(FATAL_ERROR "Failed to find libzmq")
+endif()
 
 # This library doesn't use modern targets unfortunately.
 #add_library(cppzmq::cppzmq ALIAS cppzmq)

tools/CMakeLists.txt

@@ -1,6 +1,4 @@
 
-include_directories(${PROJECT_SOURCE_DIR}/3rdparty)
-
 # add_executable(bt4_log_cat         bt_log_cat.cpp )
 # target_link_libraries(bt4_log_cat  ${BTCPP_LIBRARY} )
 # install(TARGETS bt4_log_cat

tools/bt_recorder.cpp

@@ -3,7 +3,7 @@
 #include <fstream>
 #include <signal.h>
 #include <fstream>
-#include "cppzmq/zmq.hpp"
+#include "zmq.hpp"
 #include "behaviortree_cpp/flatbuffers/BT_logger_generated.h"
 
 // http://zguide.zeromq.org/cpp:interrupt