rustc: fix building emulated x86_64-darwin with jemalloc on aarch64-darwin
Co-authored-by: Randy Eckenrode <randy@largeandhighquality.com> Co-authored-by: Uri Baghin <uri@canva.com> Co-authored-by: Winter <winter@winter.cafe>
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@ -136,6 +136,10 @@ in stdenv.mkDerivation rec {
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# Useful debugging parameter
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# export VERBOSE=1
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'' + lib.optionalString (stdenv.isDarwin && stdenv.isx86_64) ''
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# See https://github.com/jemalloc/jemalloc/issues/1997
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# Using a value of 48 should work on both emulated and native x86_64-darwin.
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export JEMALLOC_SYS_WITH_LG_VADDR=48
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'';
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# rustc unfortunately needs cmake to compile llvm-rt but doesn't
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