Strange Error While Compiling
‘Building target: STM32F401RE-Nucleo_Application.elf’
‘Invoking: MCU GCC Linker’
arm-none-eabi-gcc -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 -nostdlib -specs=nano.specs -T”C:\temp\AC6\Path_to_Linker_Script\LinkerScript.ld” -Wl,-Map=output.map -Wl,minus minus gc-sections -lm -o “STM32F401RE-Nucleo_Application.elf” @”objects.list” -lm -lc--
c:/ac6/systemworkbench/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.3.0.201507241045/tools/compiler/bin/../lib/gcc/arm-none-eabi/4.9.3/../../../../arm-none-eabi/lib/armv7e-m/fpu\libc_nano.a(lib_a-init.o): In function `__libc_init_array’:
init.c:(.text.__libc_init_array+0x1c): undefined reference to `_init’
c:/ac6/systemworkbench/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.3.0.201507241045/tools/compiler/bin/../lib/gcc/arm-none-eabi/4.9.3/../../../../arm-none-eabi/lib/armv7e-m/fpu\libc_nano.a(lib_a-sbrkr.o): In function `_sbrk_r’:
sbrkr.c:(.text._sbrk_r+0xc): undefined reference to `_sbrk’
c:/ac6/systemworkbench/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.3.0.201507241045/tools/compiler/bin/../lib/gcc/arm-none-eabi/4.9.3/../../../../arm-none-eabi/lib/armv7e-m/fpu\libc_nano.a(lib_a-writer.o): In function `_write_r’:
writer.c:(.text._write_r+0x10): undefined reference to `_write’
c:/ac6/systemworkbench/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.3.0.201507241045/tools/compiler/bin/../lib/gcc/arm-none-eabi/4.9.3/../../../../arm-none-eabi/lib/armv7e-m/fpu\libc_nano.a(lib_a-closer.o): In function `_close_r’:
closer.c:(.text._close_r+0xc): undefined reference to `_close’
c:/ac6/systemworkbench/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.3.0.201507241045/tools/compiler/bin/../lib/gcc/arm-none-eabi/4.9.3/../../../../arm-none-eabi/lib/armv7e-m/fpu\libc_nano.a(lib_a-fstatr.o): In function `_fstat_r’:
fstatr.c:(.text._fstat_r+0xe): undefined reference to `_fstat’
c:/ac6/systemworkbench/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.3.0.201507241045/tools/compiler/bin/../lib/gcc/arm-none-eabi/4.9.3/../../../../arm-none-eabi/lib/armv7e-m/fpu\libc_nano.a(lib_a-isattyr.o): In function `_isatty_r’:
isattyr.c:(.text._isatty_r+0xc): undefined reference to `_isatty’
c:/ac6/systemworkbench/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.3.0.201507241045/tools/compiler/bin/../lib/gcc/arm-none-eabi/4.9.3/../../../../arm-none-eabi/lib/armv7e-m/fpu\libc_nano.a(lib_a-lseekr.o): In function `_lseek_r’:
lseekr.c:(.text._lseek_r+0x10): undefined reference to `_lseek’
c:/ac6/systemworkbench/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.3.0.201507241045/tools/compiler/bin/../lib/gcc/arm-none-eabi/4.9.3/../../../../arm-none-eabi/lib/armv7e-m/fpu\libc_nano.a(lib_a-readr.o): In function `_read_r’:
readr.c:(.text._read_r+0x10): undefined reference to `_read’
collect2.exe: error: ld returned 1 exit status
make: *** STM32F401RE-Nucleo_Application.elf Error 1
Ask me for any information !