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40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
import common_compiler_flags
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from SCons.Tool import clang, clangxx
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from SCons.Variables import BoolVariable
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def options(opts):
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opts.Add(BoolVariable("use_llvm", "Use the LLVM compiler - only effective when targeting Linux", False))
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def exists(env):
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return True
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def generate(env):
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if env["use_llvm"]:
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clang.generate(env)
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clangxx.generate(env)
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env.Append(CCFLAGS=["-fPIC", "-Wwrite-strings"])
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env.Append(LINKFLAGS=["-Wl,-R,'$$ORIGIN'"])
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if env["arch"] == "x86_64":
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# -m64 and -m32 are x86-specific already, but it doesn't hurt to
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# be clear and also specify -march=x86-64. Similar with 32-bit.
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env.Append(CCFLAGS=["-m64", "-march=x86-64"])
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env.Append(LINKFLAGS=["-m64", "-march=x86-64"])
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elif env["arch"] == "x86_32":
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env.Append(CCFLAGS=["-m32", "-march=i686"])
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env.Append(LINKFLAGS=["-m32", "-march=i686"])
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elif env["arch"] == "arm64":
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env.Append(CCFLAGS=["-march=armv8-a"])
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env.Append(LINKFLAGS=["-march=armv8-a"])
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elif env["arch"] == "rv64":
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env.Append(CCFLAGS=["-march=rv64gc"])
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env.Append(LINKFLAGS=["-march=rv64gc"])
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env.Append(CPPDEFINES=["LINUX_ENABLED", "UNIX_ENABLED"])
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common_compiler_flags.generate(env)
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