rules: provide default C and C++ standards

Default CSTD to c99, no default for CXXSTD, but if provided it will be used. Add required gnu99 flags to projects using gnu styles.
2016-04-18 00:34:29 +00:00
parent 408b83f47a
commit b227e1609c
22 changed files with 9 additions and 17 deletions
--- a/examples/stm32/f4/stm32f429i-discovery/lcd-dma/Makefile
+++ b/examples/stm32/f4/stm32f429i-discovery/lcd-dma/Makefile
@@ -1,6 +1,7 @@
 OBJS = sdram.o clock.o console.o lcd-spi.o

 BINARY = lcd-dma
+CSTD = -std=gnu99

 # we use sin/cos from the library
 LDLIBS += -lm