Waf: Entering directory `/home/sudheesh/ardupilot/build/px4-v2' [ 8/14] CMake Configure px4 -- nuttx-px4fmu-v2-apm -- could not find gdbtui -- could not find ddd -- Found PythonInterp: /usr/bin/python (found version "2.7.12") -- GIT_DESC = 8d505a020154e4e59f50b34735f9739b6f36b800 -- Configuring done -- Generating done -- Build files have been written to: /home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware INCLUDE_DIRS=/home/sudheesh/ardupilot/modules/PX4Firmware/src;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/src;/home/sudheesh/ardupilot/modules/PX4Firmware/src/modules;/home/sudheesh/ardupilot/modules/PX4Firmware/src/include;/home/sudheesh/ardupilot/modules/PX4Firmware/src/lib;/home/sudheesh/ardupilot/modules/PX4Firmware/src/platforms;/home/sudheesh/ardupilot/modules/PX4Firmware/src/drivers/boards/px4fmu-v2;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/src/modules/px4_messages;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/src/modules;/home/sudheesh/ardupilot/modules/PX4Firmware/mavlink/include/mavlink;/home/sudheesh/ardupilot/modules/PX4Firmware/src/lib/DriverFramework/framework/include;src/lib/matrix;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/px4fmu-v2/NuttX/nuttx-export/include;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/px4fmu-v2/NuttX/nuttx-export/include/cxx;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/px4fmu-v2/NuttX/nuttx-export/arch/chip;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/px4fmu-v2/NuttX/nuttx-export/arch/common ADDING DRIVERS [13/14] CMake Build px4 msg_gen Scanning dependencies of target git_genmsg [ 0%] Built target git_genmsg Scanning dependencies of target git_gencpp [ 50%] Built target git_gencpp Scanning dependencies of target msg_gen [100%] Built target msg_gen [14/14] CMake Build px4 prebuild_targets Scanning dependencies of target __nuttx_patch_px4fmu-v2 [ 0%] Built target __nuttx_patch_px4fmu-v2 Scanning dependencies of target __nuttx_copy_px4fmu-v2 [ 0%] Built target __nuttx_copy_px4fmu-v2 Scanning dependencies of target nuttx_export_px4fmu-v2 [100%] Built target nuttx_export_px4fmu-v2 Scanning dependencies of target prebuild_targets [100%] Built target prebuild_targets [ 387/1141] CMake Configure px4 -- nuttx-px4fmu-v2-apm -- could not find gdbtui -- could not find ddd -- Found PythonInterp: /usr/bin/python (found version "2.7.12") -- GIT_DESC = 8d505a020154e4e59f50b34735f9739b6f36b800 -- Configuring done -- Generating done -- Build files have been written to: /home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware INCLUDE_DIRS=/home/sudheesh/ardupilot/modules/PX4Firmware/src;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/src;/home/sudheesh/ardupilot/modules/PX4Firmware/src/modules;/home/sudheesh/ardupilot/modules/PX4Firmware/src/include;/home/sudheesh/ardupilot/modules/PX4Firmware/src/lib;/home/sudheesh/ardupilot/modules/PX4Firmware/src/platforms;/home/sudheesh/ardupilot/modules/PX4Firmware/src/drivers/boards/px4fmu-v2;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/src/modules/px4_messages;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/src/modules;/home/sudheesh/ardupilot/modules/PX4Firmware/mavlink/include/mavlink;/home/sudheesh/ardupilot/modules/PX4Firmware/src/lib/DriverFramework/framework/include;src/lib/matrix;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/px4fmu-v2/NuttX/nuttx-export/include;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/px4fmu-v2/NuttX/nuttx-export/include/cxx;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/px4fmu-v2/NuttX/nuttx-export/arch/chip;/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware/px4fmu-v2/NuttX/nuttx-export/arch/common ADDING DRIVERS [ 995/1141] CMake Build px4 fw_io [ 0%] Built target __nuttx_patch_px4io-v2 [ 4%] Built target __nuttx_copy_px4io-v2 [ 13%] Built target nuttx_export_px4io-v2 Scanning dependencies of target git_genmsg [ 13%] Built target git_genmsg Scanning dependencies of target git_gencpp [ 17%] Built target git_gencpp Scanning dependencies of target msg_gen [ 21%] Built target msg_gen [ 26%] Built target mixer_gen [ 26%] Built target io_prebuild_targets [ 95%] Built target px4io-v2 [100%] Built target fw_io [1119/1141] CMake Build px4 build_firmware_px4fmu-v2 [ 1%] Built target romfs [ 1%] Built target git_genmsg [ 2%] Built target git_gencpp [ 4%] Built target msg_gen Scanning dependencies of target git_mavlink [ 5%] Built target git_mavlink Scanning dependencies of target git_uavcan [ 6%] Built target git_uavcan Scanning dependencies of target git_matrix [ 6%] Built target git_matrix Scanning dependencies of target __nuttx_patch_px4fmu-v2 [ 6%] Built target __nuttx_patch_px4fmu-v2 Scanning dependencies of target __nuttx_copy_px4fmu-v2 [ 6%] Built target __nuttx_copy_px4fmu-v2 Scanning dependencies of target nuttx_export_px4fmu-v2 [ 8%] Built target nuttx_export_px4fmu-v2 Scanning dependencies of target prebuild_targets [ 8%] Built target prebuild_targets [ 9%] Built target platforms__common [ 10%] Building CXX object src/platforms/nuttx/CMakeFiles/platforms__nuttx.dir/px4_nuttx_impl.cpp.obj src/platforms/nuttx/CMakeFiles/platforms__nuttx.dir/build.make:62: recipe for target 'src/platforms/nuttx/CMakeFiles/platforms__nuttx.dir/px4_nuttx_impl.cpp.obj' failed CMakeFiles/Makefile2:876: recipe for target 'src/platforms/nuttx/CMakeFiles/platforms__nuttx.dir/all' failed CMakeFiles/Makefile2:2466: recipe for target 'src/firmware/nuttx/CMakeFiles/build_firmware_px4fmu-v2.dir/rule' failed Makefile:925: recipe for target 'build_firmware_px4fmu-v2' failed In file included from /opt/gcc-arm-none-eabi-6-2017-q2-update/arm-none-eabi/include/c++/6.3.1/string:52:0, from /opt/gcc-arm-none-eabi-6-2017-q2-update/arm-none-eabi/include/c++/6.3.1/stdexcept:39, from /opt/gcc-arm-none-eabi-6-2017-q2-update/arm-none-eabi/include/c++/6.3.1/array:39, from /opt/gcc-arm-none-eabi-6-2017-q2-update/arm-none-eabi/include/c++/6.3.1/tuple:39, from /opt/gcc-arm-none-eabi-6-2017-q2-update/arm-none-eabi/include/c++/6.3.1/functional:55, from /home/sudheesh/ardupilot/modules/PX4Firmware/src/include/../platforms/px4_subscriber.h:42, from /home/sudheesh/ardupilot/modules/PX4Firmware/src/include/../platforms/px4_nodehandle.h:42, from /home/sudheesh/ardupilot/modules/PX4Firmware/src/include/px4.h:46, from /home/sudheesh/ardupilot/modules/PX4Firmware/src/platforms/nuttx/px4_nuttx_impl.cpp:40: /opt/gcc-arm-none-eabi-6-2017-q2-update/arm-none-eabi/include/c++/6.3.1/bits/basic_string.h: In function 'float std::__cxx11::stof(const string&, size_t*)': /opt/gcc-arm-none-eabi-6-2017-q2-update/arm-none-eabi/include/c++/6.3.1/bits/basic_string.h:5454:31: error: 'strtof' is not a member of 'std' { return __gnu_cxx::__stoa(&std::strtof, "stof", __str.c_str(), __idx); } ^~~ compilation terminated due to -Wfatal-errors. make[3]: *** [src/platforms/nuttx/CMakeFiles/platforms__nuttx.dir/px4_nuttx_impl.cpp.obj] Error 1 make[2]: *** [src/platforms/nuttx/CMakeFiles/platforms__nuttx.dir/all] Error 2 make[1]: *** [src/firmware/nuttx/CMakeFiles/build_firmware_px4fmu-v2.dir/rule] Error 2 make: *** [build_firmware_px4fmu-v2] Error 2 Waf: Leaving directory `/home/sudheesh/ardupilot/build/px4-v2' Build failed -> task in 'bin/ardurover' failed (exit status 2): {task 140096141134176: cmake_build_task -> } ['/usr/bin/cmake', '--build', '/home/sudheesh/ardupilot/build/px4-v2/modules/PX4Firmware', '--target', 'build_firmware_px4fmu-v2']