How to build start.o using waf?

Sebastian Huber sebastian.huber at
Wed Oct 2 11:12:46 UTC 2019

On 30/09/2019 15:14, Sebastian Huber wrote:
> Hello,
> I would like to work on a new build system prototype. The idea is to use 
> specification items maintained by Doorstop (YAML files), a Python 
> configuration script and waf to build RTEMS and the tests. This is 
> similar to the libbsd build. The difference is that in libbsd the build 
> data is maintained directly in Python code (
> How do you build a singe object file (start.o) from assembly files in 
> waf? An example would be great.

I think I found it in:

	def start(self, source, defines=[]):
		from os.path import splitext, basename

		for s in source:
			file = splitext(basename(s))[0]
				rule     = '${CC} -DASM ${CFLAGS} ${CPPFLAGS} ${DEFINES_ST:DEFINES} 
				source   = s,
				target   = "%s.o" % file,
				name     = "start_%s_o" % file,
				features = "c casm bld_include src_include",
				defines  = defines,

Sebastian Huber, embedded brains GmbH

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E-Mail  : sebastian.huber at
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