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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 2.8.3)
project(wlan_pioneer)
find_package(catkin REQUIRED COMPONENTS
roscpp
std_msgs
message_generation
)
add_message_files(FILES WlanSignalMsg.msg)
generate_messages(DEPENDENCIES std_msgs)
catkin_package()
include_directories(${catkin_INCLUDE_DIRS} /usr/local/include/)
link_directories(${catkin_INCLUDE_DIRS} /usr/local/lib/)
add_executable(wlanSignal src/wlanSignal.cpp)
target_link_libraries(wlanSignal ${catkin_LIBRARIES} wifi-scan)
add_dependencies(wlanSignal wlan_pioneer_generate_messages_cpp)
# This setting disable new dtags for ld linker. So RUNPATH is
# replaced with RPATH in wlanSignal executable. We need RPATH
# for finding linked libraries at runtime when executed with
# sudo. WLAN scanning needs enhanced privileges. With RUNPATH
# linker disables LD_LIBRARY_PATH for security reasons if
# setuid/setgid is set. So this is a workaround.
# https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/RPATH-handling
# https://answers.ros.org/question/165246/launch-node-with-root-permissions/
SET(CMAKE_EXE_LINKER_FLAGS "-Wl,--disable-new-dtags")