[riot-notifications] [RIOT-OS/RIOT] cpu/esp: treat undefined reference as errors (#11246)

Gunar Schorcht notifications at github.com
Wed Mar 27 21:33:20 CET 2019


@cladmi 
> However, putting the -ffunctions-sections did not solve the esp8266 issues so there may be something more.

The following change in `cpu/esp8266/Makefile.include` will solve the compilation problems for esp8266.

```diff
--- a/cpu/esp8266/Makefile.include
+++ b/cpu/esp8266/Makefile.include
@@ -56,6 +56,7 @@ PSEUDOMODULES += esp_spiffs
 
 USEMODULE += esp
 USEMODULE += mtd
+USEMODULE += newlib_syscalls_default
 USEMODULE += periph
 USEMODULE += periph_common
 USEMODULE += ps
```

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