fix iar with make

Author: hathach

examples/device/cdc_msc_freertos/Makefile

@@ -43,6 +43,6 @@ CFLAGS_GCC += -Wno-error=redundant-decls
 CFLAGS_GCC += -Wno-error=cast-qual
 
 # FreeRTOS (lto + Os) linker issue
-LDFLAGS += -Wl,--undefined=vTaskSwitchContext
+LDFLAGS_GCC += -Wl,--undefined=vTaskSwitchContext
 
 include ../../rules.mk

examples/device/hid_composite_freertos/Makefile

@@ -42,6 +42,6 @@ CFLAGS_GCC += -Wno-error=redundant-decls
 CFLAGS_GCC += -Wno-error=cast-qual
 
 # FreeRTOS (lto + Os) linker issue
-LDFLAGS += -Wl,--undefined=vTaskSwitchContext
+LDFLAGS_GCC += -Wl,--undefined=vTaskSwitchContext
 
 include ../../rules.mk

tools/make/toolchain/arm_gcc_rules.mk

@@ -21,7 +21,7 @@ ifneq ($(CFLAGS_SKIP),)
 CFLAGS := $(filter-out $(CFLAGS_SKIP),$(CFLAGS))
 endif
 
-LDFLAGS += $(CFLAGS)
+LDFLAGS += $(CFLAGS) $(LDFLAGS_GCC)
 
 ifdef LD_FILE
 LDFLAGS += -Wl,-T,$(TOP)/$(LD_FILE)

tools/make/toolchain/arm_iar.mk

@@ -8,4 +8,4 @@ SIZE = size
 CFLAGS += -e --debug --silent
 
 # silent mode
-ASFLAGS += -S
+ASFLAGS += -S $(addprefix -I,$(INC))