--- pcl-pcl-1.12.1/io/CMakeLists.txt_org	2023-05-01 07:11:10.766982288 +0800
+++ pcl-pcl-1.12.1/io/CMakeLists.txt	2023-05-01 07:11:29.331003919 +0800
@@ -1,7 +1,7 @@
 set(SUBSYS_NAME io)
 set(SUBSYS_DESC "Point cloud IO library")
 set(SUBSYS_DEPS common octree)
-set(SUBSYS_EXT_DEPS boost eigen)
+set(SUBSYS_EXT_DEPS eigen)
 
 set(build TRUE)
 PCL_SUBSYS_OPTION(build "${SUBSYS_NAME}" "${SUBSYS_DESC}" ON)
@@ -415,7 +415,7 @@
   target_link_libraries("${LIB_NAME}" ${PCAP_LIBRARIES})
 endif()
 
-set(EXT_DEPS boost eigen3)
+set(EXT_DEPS eigen3)
 
 if(WITH_OPENNI)
   list(APPEND EXT_DEPS libopenni)