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Use more explicit architecture compiler options on Linux

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Co-authored-by: Joaquim Monteiro <joaquim.monteiro@protonmail.com>
This commit is contained in:
Aaron Franke 2024-08-31 20:51:33 -07:00
parent 2e14492879
commit 45138b7294
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1 changed files with 21 additions and 12 deletions
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33
platform/linuxbsd/detect.py
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@ -88,20 +88,29 @@ def configure(env: "SConsEnvironment"):
# gdb works fine without it though, so maybe our crash handler could too.
env.Append(LINKFLAGS=["-rdynamic"])
# Cross-compilation
# TODO: Support cross-compilation on architectures other than x86.
host_is_64_bit = sys.maxsize > 2**32
if host_is_64_bit and env["arch"] == "x86_32":
env.Append(CCFLAGS=["-m32"])
env.Append(LINKFLAGS=["-m32"])
elif not host_is_64_bit and env["arch"] == "x86_64":
env.Append(CCFLAGS=["-m64"])
env.Append(LINKFLAGS=["-m64"])
# CPU architecture flags.
if env["arch"] == "rv64":
# TODO: Support cross-compilation on architectures other than x86.
if env["arch"] == "x86_64":
env.Prepend(CFLAGS=["-m64", "-march=x86-64"])
env.Prepend(CXXFLAGS=["-m64", "-march=x86-64"])
env.Prepend(LINKFLAGS=["-m64", "-march=x86-64"])
elif env["arch"] == "x86_32":
env.Prepend(CFLAGS=["-m32", "-march=i686"])
env.Prepend(CXXFLAGS=["-m32", "-march=i686"])
env.Prepend(LINKFLAGS=["-m32", "-march=i686"])
elif env["arch"] == "arm64":
env.Prepend(CFLAGS=["-march=armv8-a"])
env.Prepend(CXXFLAGS=["-march=armv8-a"])
env.Prepend(LINKFLAGS=["-march=armv8-a"])
elif env["arch"] == "arm32":
env.Prepend(CFLAGS=["-march=armv7-a"])
env.Prepend(CXXFLAGS=["-march=armv7-a"])
env.Prepend(LINKFLAGS=["-march=armv7-a"])
elif env["arch"] == "rv64":
# G = General-purpose extensions, C = Compression extension (very common).
env.Append(CCFLAGS=["-march=rv64gc"])
env.Prepend(CFLAGS=["-march=rv64gc"])
env.Prepend(CXXFLAGS=["-march=rv64gc"])
env.Prepend(LINKFLAGS=["-march=rv64gc"])
## Compiler configuration