altos: Allow applications to override newlib printf selection

Re-defining NEWLIB_PRINTF_CFLAGS will allow applications to select
printf with floating point support if desired.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/src/Makefile.defs b/src/Makefile.defs
index 6df0c3fe2ac42edba14cb20796e2cda32549d43c..d52cc7061616fd31d9ccec38339bd5e1e67db91a 100644 (file)
--- a/src/Makefile.defs
+++ b/src/Makefile.defs
@@ -20,10 +20,12 @@ WARN_FLAGS=-Wall -Wextra -Werror -Wcast-align \
 
 OPT=-Os
 
 
 OPT=-Os
 

+NEWLIB_PRINTF_CFLAGS =         -DNEWLIB_INTEGER_PRINTF_SCANF
+

 NEWLIB_CFLAGS= \
        -ffreestanding -nostdlib \
 NEWLIB_CFLAGS= \
        -ffreestanding -nostdlib \

-       -DNEWLIB_INTEGER_PRINTF_SCANF \
-       -isystem $(NEWLIB_NANO)/arm-none-eabi/include
+       -isystem $(NEWLIB_NANO)/arm-none-eabi/include \
+       $(NEWLIB_PRINTF_CFLAGS)

 
 AO_CFLAGS=\
        -std=gnu99 \
 
 AO_CFLAGS=\
        -std=gnu99 \