add rostime patch

patch/ros-noetic-rostime.linux.patch

@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 32a76bb9..68bd38f4 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -5,7 +5,7 @@ find_package(catkin REQUIRED COMPONENTS cpp_common)
+ find_package(Boost REQUIRED COMPONENTS date_time system thread)
+ catkin_package(
+   INCLUDE_DIRS include
+-  LIBRARIES ${PROJECT_NAME}
++  LIBRARIES ${PROJECT_NAME} ${RT_LIBRARY}
+   CATKIN_DEPENDS cpp_common
+   DEPENDS Boost
+ )

patch/ros-noetic-urg-c.patch

@@ -0,0 +1,35 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 3563831..7d139fd 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -32,19 +32,19 @@ include_directories(${LIBRARY_INCLUDE_DIR} ${catkin_INCLUDE_DIRS})
+
+ ## Declare libraries
+ add_library(liburg_c ${LIBRARY_SRC_DIR}/urg_sensor.c
+-	                 ${LIBRARY_SRC_DIR}/urg_utils.c
+-	                 ${LIBRARY_SRC_DIR}/urg_debug.c
+-	                 ${LIBRARY_SRC_DIR}/urg_connection.c
+-	                 ${LIBRARY_SRC_DIR}/urg_ring_buffer.c
+-	                 ${LIBRARY_SRC_DIR}/urg_serial.c
+-	                 ${LIBRARY_SRC_DIR}/urg_serial_utils.c
+-	                 ${LIBRARY_SRC_DIR}/urg_tcpclient.c
+-	                 ${LIBRARY_SRC_DIR}/urg_time.c
+-
++                 ${LIBRARY_SRC_DIR}/urg_utils.c
++                 ${LIBRARY_SRC_DIR}/urg_debug.c
++                 ${LIBRARY_SRC_DIR}/urg_connection.c
++                 ${LIBRARY_SRC_DIR}/urg_ring_buffer.c
++                 ${LIBRARY_SRC_DIR}/urg_serial.c
++                 ${LIBRARY_SRC_DIR}/urg_serial_utils.c
++                 ${LIBRARY_SRC_DIR}/urg_tcpclient.c
++                 ${LIBRARY_SRC_DIR}/urg_time.c
+ )
+-if(NOT ANDROID)
++
++if(NOT ANDROID AND NOT APPLE)
+ 	target_link_libraries(liburg_c -lrt -lm)
+-endif(NOT ANDROID)
++endif(NOT ANDROID AND NOT APPLE)
+
+ add_library(open_urg_sensor ${LIBRARY_SAMPLE_DIR}/open_urg_sensor.c)
+ target_link_libraries(open_urg_sensor -lm liburg_c ${catkin_LIBRARIES})