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6f756b4065
We already did this for -march in 12b0e8ac74 ("clang: don't set
-march for overridden target"), but it should have been done for all
machine flags, for the same reason.
Example bug this fixes:
nix-shell -E '
with import ./. {
crossSystem = {
system = "powerpc64le-linux";
gcc.cpu = "power10";
};
};
clangStdenv.mkDerivation { name = "test"; }
' --run '$CC -target wasm32-unknown-unknown -c /dev/null'
Which previously failed with:
clang: error: unsupported option '-mcpu=' for target 'wasm32-unknown-unknown'
11 lines
208 B
Bash
11 lines
208 B
Bash
needsTarget=true
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for p in "${params[@]}"; do
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case "$p" in
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-target | --target=*) needsTarget=false ;;
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esac
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done
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if $needsTarget; then
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extraBefore+=(-target @defaultTarget@ @machineFlags@)
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fi
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