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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| 
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| from SCons.Action import _subproc
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| import subprocess
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| 
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| 
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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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| 
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| 
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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("${%s} --version" % tool),
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|         stdout=subprocess.PIPE,
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|         stderr="devnull",
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|         stdin="devnull",
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|         universal_newlines=True,
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|         error="raise",
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|         shell=True,
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|     )
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|     if proc:
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|         verstr = proc.stdout.readline()
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|         proc.communicate()
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|     return verstr
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| 
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| 
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| def generate(env, **kw):
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|     for orig_tool in (asm, gcc, gxx, ar, gnulink, strip, gdb, objdump, size):
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|         orig_tool.generate(env)
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|     env.SetDefault(
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|         TOOLCHAIN_PREFIX=kw.get("toolchain_prefix"),
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|     )
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|     prefix_commands(
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|         env,
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|         env.subst("$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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| 
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| 
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| def exists(env):
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|     return True
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