Merge pull request #752 from jepler/esp8266-strict-aliasing

esp8266: Disable "strict aliasing" in compiler like in atmel-samd

Author: dhalbert

ports/esp8266/Makefile

@@ -48,7 +48,7 @@ CFLAGS_XTENSA = -fsingle-precision-constant -Wdouble-promotion \
 	-Wl,-EL -mlongcalls -mtext-section-literals -mforce-l32 \
 	-DLWIP_OPEN_SRC
 
-CFLAGS = $(INC) -Wall -Wpointer-arith -Werror -std=gnu99 -nostdlib -DUART_OS=$(UART_OS) \
+CFLAGS = $(INC) -Wall -Wpointer-arith -Werror -Wno-strict-aliasing -std=gnu99 -nostdlib -DUART_OS=$(UART_OS) \
 	$(CFLAGS_XTENSA) $(CFLAGS_MOD) $(COPT) $(CFLAGS_EXTRA)
 
 LDSCRIPT = esp8266.ld