restructured build system support

cmake/HardwareOsPostConfig.cmake

@@ -0,0 +1,62 @@
+function(post_source_hw_os_config)
+
+if(LINK_LWIP)
+	message(STATUS "Linking against ${LIB_LWIP_NAME} lwIP library")
+	if(LIB_LWIP_NAME)
+		target_link_libraries(${TARGET_NAME} PUBLIC 
+			${LIB_LWIP_NAME}
+		)
+	else()
+		message(WARNING "lwIP library name not set!")
+	endif()
+endif()
+
+if(LINK_HAL)
+	message(STATUS "Linking against ${LIB_HAL_NAME} HAL library")
+	if(LIB_HAL_NAME)
+		target_link_libraries(${TARGET_NAME} PUBLIC
+			${LIB_HAL_NAME}
+		)
+	else()
+		message(WARNING "HAL library name not set!")
+	endif()
+endif()
+
+if(LINKER_SCRIPT)
+	target_link_options(${TARGET_NAME} PRIVATE
+		-T${LINKER_SCRIPT}
+	)
+endif()
+	
+set(C_FLAGS "" CACHE INTERNAL "C flags")
+
+set(C_DEFS ""
+	CACHE INTERNAL
+	"C Defines"
+)
+
+set(CXX_FLAGS ${C_FLAGS})
+set(CXX_DEFS ${C_DEFS})
+
+if(CMAKE_VERBOSE)
+	message(STATUS "C Flags: ${C_FLAGS}")
+	message(STATUS "CXX Flags: ${CXX_FLAGS}")
+	message(STATUS "C Defs: ${C_DEFS}")
+	message(STATUS "CXX Defs: ${CXX_DEFS}")
+endif()
+
+# Generator expression. Can be used to set different C, CXX and ASM flags.
+target_compile_options(${TARGET_NAME} PRIVATE
+	$<$<COMPILE_LANGUAGE:C>:${C_DEFS} ${C_FLAGS}>
+	$<$<COMPILE_LANGUAGE:CXX>:${CXX_DEFS} ${CXX_FLAGS}>
+	$<$<COMPILE_LANGUAGE:ASM>:${ASM_FLAGS}>
+)
+
+add_custom_command(
+	TARGET ${TARGET_NAME}
+	POST_BUILD
+	COMMAND echo Generating binary file ${CMAKE_PROJECT_NAME}.bin..
+	COMMAND ${CMAKE_OBJCOPY} -O binary ${TARGET_NAME} ${TARGET_NAME}.bin
+)
+
+endfunction()