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Update to enable clang cross compile #1180

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Update to enable clang cross compile #1180

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4 changes: 4 additions & 0 deletions customization.cfg
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Original file line number Diff line number Diff line change
Expand Up @@ -120,6 +120,10 @@ _cpusched=""
# For advanced users.
_compiler=""

# [Advanced] LLVM target architecture (e.g. "x86_64-linux-gnu").
# Leave empty to use default.
_llvm_target_arch=""

# [Generic and Gentoo specific] Replace `libunwind` with `llvm-libunwind`.
# ! This is currently experimental.
# ! It can only work with the `llvm-libunwind` `USE` flag in `llvm-core/clang-common` for Gentoo.
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2 changes: 1 addition & 1 deletion linux-tkg-config/prepare
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Expand Up @@ -1060,7 +1060,7 @@ _tkg_srcprep() {
fi
if [[ "$_compiler" == "llvm" ]]; then
# "native" doesn't show up in clang's list, but it's supported
if ! ( clang -mcpu=help 2>&1 | grep "$1" &> /dev/null ) ; then
if ! ( $( [[ -n "$_llvm_target_arch" ]] && echo "clang --target=$_llvm_target_arch" || echo "clang" ) -mcpu=help 2>&1 | grep "$1" &> /dev/null ) ; then
return 1
fi
fi
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