make: use std=c99 everywhere by default.

setting "STANDARD_FLAGS=-std=c11" or similar will let you try out alternate compilation modes. Fixes https://github.com/libopencm3/libopencm3/issues/773
2017-04-24 21:42:01 +00:00
parent 1f58917cb2
commit b860319785
27 changed files with 27 additions and 0 deletions
--- a/lib/lpc13xx/Makefile
+++ b/lib/lpc13xx/Makefile
@@ -32,6 +32,7 @@ TGT_CFLAGS	= -Os \
 		  -mcpu=cortex-m3 -mthumb $(FP_FLAGS) -Wstrict-prototypes \
 		  -ffunction-sections -fdata-sections -MD -DLPC13XX
 TGT_CFLAGS      += $(DEBUG_FLAGS)
+TGT_CFLAGS	+= $(STANDARD_FLAGS)
 # ARFLAGS	= rcsv
 ARFLAGS		= rcs
 OBJS		= gpio.o