Merge pull request #376 from turon/pr/nrf5/asm-fix

[nrf5] Add proper build flags for building ASM files.

Author: robszewczyk

build/nrf5/nrf5-app.mk

@@ -122,7 +122,8 @@ STD_ASFLAGS = \
     -mthumb \
     -mabi=aapcs \
     -mfloat-abi=hard \
-    -mfpu=fpv4-sp-d16    
+    -mfpu=fpv4-sp-d16 \
+    -x assembler-with-cpp
 
 STD_LDFLAGS = \
     -mthumb \

build/nrf5/nrf5-openthread.mk

@@ -109,6 +109,7 @@ USE_PREBUILT_OPENTHREAD ?= 0
 
 OPENTHREAD_CPPFLAGS = $(STD_CFLAGS) $(DEBUG_FLAGS) $(OPT_FLAGS) -Wno-expansion-to-defined $(OPENTHREAD_DEFINE_FLAGS) $(OPENTHREAD_INC_FLAGS)
 OPENTHREAD_CXXFLAGS = $(STD_CXXFLAGS) -Wno-expansion-to-defined
+OPENTHREAD_CCASFLAGS = $(STD_ASFLAGS)
 OPENTHREAD_DEFINE_FLAGS = $(foreach def,$(OPENTHREAD_DEFINES),-D$(def))
 OPENTHREAD_INC_FLAGS = $(foreach dir,$(OPENTHREAD_INC_DIRS),-I$(dir))
 
@@ -152,6 +153,7 @@ OPENTHREAD_CONFIGURE_OPTIONS = \
     SIZE="$(SIZE)" RANLIB="$(RANLIB)" INSTALL="$(INSTALL) $(INSTALLFLAGS) -m644" \
     CPPFLAGS=$(call DoubleQuoteStr, $(OPENTHREAD_CPPFLAGS)) \
     CXXFLAGS=$(call DoubleQuoteStr, $(OPENTHREAD_CXXFLAGS)) \
+    CCASFLAGS=$(call DoubleQuoteStr, $(OPENTHREAD_CCASFLAGS)) \
     LDFLAGS="" \
     --prefix=$(OPENTHREAD_OUTPUT_DIR) \
     --exec-prefix=$(OPENTHREAD_OUTPUT_DIR) \