c:/users/.p2/pool/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.17.0.201812190825/tools/compiler/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/softfp\libc.a(lib_a-fflush.o): In function `__sflush_r': fflush.c:(.text.__sflush_r+0x90): undefined reference to `__wrap__free_r' c:/users/.p2/pool/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.17.0.201812190825/tools/compiler/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/softfp\libc.a(lib_a-makebuf.o): In function `__smakebuf_r': makebuf.c:(.text.__smakebuf_r+0x2c): undefined reference to `__wrap__malloc_r' c:/users/.p2/pool/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.17.0.201812190825/tools/compiler/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/softfp\libc.a(lib_a-malloc.o): In function `free': malloc.c:(.text.free+0x6): undefined reference to `__wrap__free_r' c:/users/.p2/pool/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.17.0.201812190825/tools/compiler/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/softfp\libc.a(lib_a-vfprintf.o): In function `_vfprintf_r': vfprintf.c:(.text._vfprintf_r+0x542): undefined reference to `__wrap__free_r' vfprintf.c:(.text._vfprintf_r+0xafa): undefined reference to `__wrap__free_r' vfprintf.c:(.text._vfprintf_r+0x17c8): undefined reference to `__wrap__malloc_r' c:/users/.p2/pool/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.17.0.201812190825/tools/compiler/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/softfp\libc.a(lib_a-wsetup.o): In function `__swsetup_r': wsetup.c:(.text.__swsetup_r+0x9e): undefined reference to `__wrap__free_r' c:/users/.p2/pool/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.17.0.201812190825/tools/compiler/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/softfp\libc.a(lib_a-fclose.o): In function `_fclose_r': fclose.c:(.text._fclose_r+0x50): undefined reference to `__wrap__free_r' fclose.c:(.text._fclose_r+0x5e): undefined reference to `__wrap__free_r' fclose.c:(.text._fclose_r+0xc0): undefined reference to `__wrap__free_r' c:/users/.p2/pool/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.17.0.201812190825/tools/compiler/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/softfp\libc.a(lib_a-mprec.o): In function `_Balloc': mprec.c:(.text._Balloc+0x22): undefined reference to `__wrap__calloc_r' mprec.c:(.text._Balloc+0x3e): undefined reference to `__wrap__calloc_r' c:/users/.p2/pool/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.17.0.201812190825/tools/compiler/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/softfp\libc.a(lib_a-svfprintf.o): In function `_svfprintf_r': vfprintf.c:(.text._svfprintf_r+0x1ae): undefined reference to `__wrap__free_r' vfprintf.c:(.text._svfprintf_r+0x5e4): undefined reference to `__wrap__free_r' vfprintf.c:(.text._svfprintf_r+0xee0): undefined reference to `__wrap__malloc_r' vfprintf.c:(.text._svfprintf_r+0x170e): undefined reference to `__wrap__malloc_r' c:/users/.p2/pool/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.17.0.201812190825/tools/compiler/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/softfp\libc.a(lib_a-fvwrite.o): In function `__sfvwrite_r': fvwrite.c:(.text.__sfvwrite_r+0xf6): undefined reference to `__wrap__malloc_r' fvwrite.c:(.text.__sfvwrite_r+0x29a): undefined reference to `__wrap__realloc_r' fvwrite.c:(.text.__sfvwrite_r+0x2aa): undefined reference to `__wrap__free_r' c:/users/.p2/pool/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.17.0.201812190825/tools/compiler/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/softfp\libc.a(lib_a-svfiprintf.o): In function `__ssprint_r': vfprintf.c:(.text.__ssprint_r+0x4c): undefined reference to `__wrap__malloc_r' vfprintf.c:(.text.__ssprint_r+0xb8): undefined reference to `__wrap__realloc_r' vfprintf.c:(.text.__ssprint_r+0xc6): undefined reference to `__wrap__free_r' collect2.exe: error: ld returned 1 exit status makefile:51: recipe for target 'Nucleo_blink_led-debug.elf' failed make: *** [Nucleo_blink_led-debug.elf] Error 1 "make -j4 all" terminated with exit code 2. Build might be incomplete. 11:36:15 Build Failed. 2 errors, 0 warnings. (took 1s.227ms)