cross_compile.py

#!/usr/bin/env python

# cross_compile.py - waf tool for cross-compilation
# Written in 2017 by William Light <[email protected]>
#
# To the extent possible under law, the author(s) have dedicated all copyright
# and related and neighboring rights to this software to the public domain
# worldwide. This software is distributed without any warranty.
#
# You should have received a copy of the CC0 Public Domain Dedication along
# with this software. If not, see
# <http://creativecommons.org/publicdomain/zero/1.0/>.

def override_find_program(prefix):
	from waflib.Configure import find_program as orig_find
	from waflib.Configure import conf

	if prefix[-1] != '-':
		prefix += '-'

	@conf
	def find_program(self, filename, **kw):
		if type(filename) == str:
			return orig_find(self, prefix + filename, **kw)
		else:
			return orig_find(self, [prefix + x for x in filename], **kw)
		return orig_find(self, filename, **kw)

def options(ctx):
	xcomp_opts = ctx.add_option_group('cross-compilation')
	xcomp_opts.add_option('--target', action='store', default=False)

def configure(ctx):
	if ctx.options.target:
		override_find_program(ctx.options.target)
		ctx.env.ARE_WE_CROSS_COMPILING = True
	else:
		ctx.env.ARE_WE_CROSS_COMPILING = False

# vim: set ts=4 sts=4 noet :