Logbook of Martin

Xilinx Application Note : xapp1206 將-mfpu= vfpv3  -mfloat-abi= hard (default)設定成 -mfpu= neon  -mfloat-abi= softfp 會出現下列錯誤訊息 solution: step1: C/C++ Build -> Settings -> Tool Settings ARM v7 gcc compiler -> Miscellaneous Linker Flags : -c -fmessage-length=0 -MT"$@" -mcpu=cortex-a9 -mfpu= neon -mfloat-abi= softfp ARM v7 gcc linker -> Miscellaneous Linker Flags : -mcpu=cortex-a9 -mfpu= neon -mfloat-abi= softfp -Wl,-build-id=none -specs=Xilinx.spec step2 :  Modify this BSP’s Settings -> Overview -> Drivers -> ps7_cortexa9_0 Extra_compiler_flags : -mcpu=cortex-a9 -mfpu= neon -mfloat-abi= softfp -nostartfiles -Wall -Wextra

Solution The math "m" option needs to be specified in the Libraries in the C/C++ Build Settings. ref : https://www.xilinx.com/support/answers/52971.html