/usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/bin/ld: error: ../../px4_fmu-v2_default.elf uses VFP register arguments, /usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/lib/libm.a(lib_a-sf_scalbn.o) does not
/usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/bin/ld: failed to merge target specific data of file /usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/lib/libm.a(lib_a-sf_scalbn.o)
/usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/bin/ld: error: ../../px4_fmu-v2_default.elf uses VFP register arguments, /usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/lib/libm.a(lib_a-s_copysign.o) does not
/usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/bin/ld: failed to merge target specific data of file /usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/lib/libm.a(lib_a-s_copysign.o)
/usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/bin/ld: error: ../../px4_fmu-v2_default.elf uses VFP register arguments, /usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/lib/libm.a(lib_a-sf_copysign.o) does not
/usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/bin/ld: failed to merge target specific data of file /usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/lib/libm.a(lib_a-sf_copysign.o)
collect2: error: ld returned 1 exit status
platforms/nuttx/CMakeFiles/px4.dir/build.make:239: recipe for target 'px4_fmu-v2_default.elf' failed
make[3]: *** [px4_fmu-v2_default.elf] Error 1
CMakeFiles/Makefile2:8087: recipe for target 'platforms/nuttx/CMakeFiles/px4.dir/all' failed
make[2]: *** [platforms/nuttx/CMakeFiles/px4.dir/all] Error 2
Makefile:105: recipe for target 'all' failed
make[1]: *** [all] Error 2
Makefile:190: recipe for target 'px4_fmu-v2_default' failed
make: *** [px4_fmu-v2_default] Error 2