mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
044fac8d17
Building any application with gcc 7.1.1 fails with the following error:
```
~/RIOT % make -C examples/hello-world
make: Entering directory 'RIOT/examples/hello-world'
Building application "hello-world" for "native" with MCU "native".
"make" -C RIOT/boards/native
"make" -C RIOT/boards/native/drivers
"make" -C RIOT/core
"make" -C RIOT/cpu/native
RIOT/cpu/native/startup.c: In function ‘startup’:
RIOT/cpu/native/startup.c:292:17: error: this statement may fall through [-Werror=implicit-fallthrough=]
usage_exit(EXIT_SUCCESS);
^~~~~~~~~~~~~~~~~~~~~~~~
RIOT/cpu/native/startup.c:293:13: note: here
case 'i':
^~~~
cc1: all warnings being treated as errors
make[2]: *** [RIOT/Makefile.base:81: RIOT/examples/hello-world/bin/native/cpu/startup.o] Error 1
make[1]: *** [RIOT/Makefile.base:20: ALL--RIOT/cpu/native] Error 2
make: *** [RIOT/examples/hello-world/../../Makefile.include:297: all] Error 2
make: Leaving directory 'RIOT/examples/hello-world'
```
```
% gcc --version
gcc (GCC) 7.1.1 20170528
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
```
fixed by adding a `break` statement after `usage_exit()`
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|---|---|---|
| .. | ||
| arm7_common | ||
| atmega328p | ||
| atmega1281 | ||
| atmega2560 | ||
| atmega_common | ||
| cc26x0 | ||
| cc430 | ||
| cc2538 | ||
| cortexm_common | ||
| ezr32wg | ||
| k60 | ||
| k64f | ||
| kinetis_common | ||
| kw2xd | ||
| lm4f120 | ||
| lpc11u34 | ||
| lpc1768 | ||
| lpc2387 | ||
| mips32r2_common | ||
| mips_pic32_common | ||
| mips_pic32mx | ||
| mips_pic32mz | ||
| msp430_common | ||
| msp430fxyz | ||
| native | ||
| nrf5x_common | ||
| nrf51 | ||
| nrf52 | ||
| sam0_common | ||
| sam3 | ||
| samd21 | ||
| saml21 | ||
| stellaris_common | ||
| stm32_common | ||
| stm32f0 | ||
| stm32f1 | ||
| stm32f2 | ||
| stm32f3 | ||
| stm32f4 | ||
| stm32f7 | ||
| stm32l0 | ||
| stm32l1 | ||
| stm32l4 | ||
| x86 | ||
| doc.txt | ||