Merge branch 'feature/add_component_mk_to_esp8266' into 'refactor'

Add component.mk to esp8266

See merge request sdk/ESP8266_RTOS_SDK!31

components/esp8266/component.mk

@@ -0,0 +1,28 @@
+#
+# Component Makefile
+#
+COMPONENT_ADD_INCLUDEDIRS += include/espressif include/driver
+COMPONENT_SRCDIRS := driver
+LIBS ?=
+ifndef CONFIG_NO_BLOBS
+LIBS += airkiss cirom crypto espnow gcc hal core minic mirom net80211 \
+        phy pp pwm smartconfig ssc wpa wps
+endif
+
+#Linker scripts used to link the final application.
+#Warning: These linker scripts are only used when the normal app is compiled; the bootloader
+#specifies its own scripts.
+LINKER_SCRIPTS += $(ESP8266_LINKER_SCRIPTS) eagle.app.v6.common.ld eagle.rom.addr.v6.ld
+
+COMPONENT_ADD_LDFLAGS += -L$(COMPONENT_PATH)/lib \
+                         $(addprefix -l,$(LIBS)) \
+                         -L $(COMPONENT_PATH)/ld \
+                         -Wl,--no-check-sections \
+                         -u call_user_start \
+                         $(addprefix -T ,$(LINKER_SCRIPTS))
+
+ALL_LIB_FILES := $(patsubst %,$(COMPONENT_PATH)/lib/lib%.a,$(LIBS))
+
+# final linking of project ELF depends on all binary libraries, and
+# all linker scripts
+COMPONENT_ADD_LINKER_DEPS := $(ALL_LIB_FILES) $(addprefix ld/,$(LINKER_SCRIPTS))