76 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from SCons.Errors import StopError
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from SCons.Tool import asm
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from SCons.Tool import gcc
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from SCons.Tool import gxx
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from SCons.Tool import ar
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from SCons.Tool import gnulink
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import strip
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import gdb
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import objdump
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import size
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from SCons.Action import _subproc
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import subprocess
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def prefix_commands(env, command_prefix, cmd_list):
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    for command in cmd_list:
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        if command in env:
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            env[command] = command_prefix + env[command]
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def _get_tool_version(env, tool):
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    verstr = "version unknown"
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    proc = _subproc(
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        env,
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        env.subst("${%s} --version" % tool),
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        stdout=subprocess.PIPE,
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        stderr="devnull",
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        stdin="devnull",
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        universal_newlines=True,
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        error="raise",
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        shell=True,
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    )
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    if proc:
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        verstr = proc.stdout.readline()
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        proc.communicate()
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    return verstr
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def generate(env, **kw):
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    for orig_tool in (asm, gcc, gxx, ar, gnulink, strip, gdb, objdump, size):
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        orig_tool.generate(env)
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    env.SetDefault(
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        TOOLCHAIN_PREFIX=kw.get("toolchain_prefix"),
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    )
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    prefix_commands(
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        env,
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        env.subst("$TOOLCHAIN_PREFIX"),
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        [
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            "AR",
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            "AS",
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            "CC",
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            "CXX",
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            "OBJCOPY",
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            "RANLIB",
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            "STRIP",
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            "GDB",
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            "GDBPY",
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            "OBJDUMP",
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            "SIZE",
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        ],
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    )
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    # Call CC to check version
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    if whitelisted_versions := kw.get("versions", ()):
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        cc_version = _get_tool_version(env, "CC")
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        # print("CC version =", cc_version)
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        # print(list(filter(lambda v: v in cc_version, whitelisted_versions)))
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        if not any(filter(lambda v: v in cc_version, whitelisted_versions)):
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            raise StopError(
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                f"Toolchain version is not supported. Allowed: {whitelisted_versions}, toolchain: {cc_version} "
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            )
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def exists(env):
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    return True
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