ixp: add missing os define

need by arm-elf toolchains and no impact on the arm-linux one

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

diff --git a/cpu/ixp/npe/Makefile b/cpu/ixp/npe/Makefile
index 9309f37f63b12efc04c5f23082fd8c256eeca7c9..f4f97bd0d34811d657bae34db7e8c5562b66f1c4 100644 (file)
--- a/cpu/ixp/npe/Makefile
+++ b/cpu/ixp/npe/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
 
 LIB := $(obj)libnpe.a
 
-LOCAL_CFLAGS  += -I$(TOPDIR)/cpu/ixp/npe/include -DCONFIG_IXP425_COMPONENT_ETHDB
+LOCAL_CFLAGS  += -I$(TOPDIR)/cpu/ixp/npe/include -DCONFIG_IXP425_COMPONENT_ETHDB -D__linux
 CFLAGS  += $(LOCAL_CFLAGS)
 HOST_CFLAGS  += $(LOCAL_CFLAGS)