arm-none-eabi-gcc -o "BlueFloat.elf" @"objects.list" -mcpu=cortex-m3 -T"C:\Users\Tom\STM32CubeIDE\workspace_1.0.1\BlueFloat\STM32F103C8TX_FLASH.ld" --specs=nosys.specs -Wl,-Map="
BlueFloat.map" -Wl,--gc-sections -static --specs=nano.specs -mfloat-abi=soft -mthumb -u _printf_float -Wl,--start-group -lc -lm -Wl,--end-group
Core/Startup/startup_stm32f103c8tx.o:(.isr_vector+0x0): undefined reference to `_estack'
collect2.exe: error: ld returned 1 exit status
make: *** [makefile:45: BlueFloat.elf] Error 1
"make -j4 all" terminated with exit code 2. Build might be incomplete.