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bcmp missing #303

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jethrogb opened this issue Jul 15, 2019 · 2 comments
Closed

bcmp missing #303

jethrogb opened this issue Jul 15, 2019 · 2 comments

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@jethrogb
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LLVM 9 emits calls to bcmp:

  = note: rust/build/x86_64-unknown-linux-gnu/stage1/lib/rustlib/x86_64-fortanix-unknown-sgx/lib/libtest-a9ecdf8e579fd5d7.rlib(test-a9ecdf8e579fd5d7.test.bolfc4sh-cgu.0.rcgu.o):test.bolfc4sh-cgu.0:function _$LT$test..TestDesc$u20$as$u20$core..cmp..PartialEq$GT$::eq::h29076b407d2a6562: error: undefined reference to 'bcmp'
          collect2: error: ld returned 1 exit status
@jethrogb jethrogb mentioned this issue Jul 15, 2019
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@jethrogb
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bcmp: This function is deprecated (marked as LEGACY in POSIX.1-2001): use memcmp(3) in new programs. POSIX.1-2008 removes the specification of bcmp().

@jethrogb jethrogb mentioned this issue Jul 15, 2019
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@alexcrichton
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Looks like this is going to be handled in rust-lang/rust#62698

Mark-Simulacrum added a commit to Mark-Simulacrum/rust that referenced this issue Jul 15, 2019
@Mark-Simulacrum
Rollup merge of rust-lang#62698 - jethrogb:jb/sgx-llvm-target, r=alex…
da0c8fe 
…crichton

SGX target: don't pretend to be GNU/Linux to LLVM

See rust-lang#62592 & rust-lang/compiler-builtins#303

r? @alexcrichton
@repmop repmop mentioned this issue May 1, 2020
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@alexcrichton @jethrogb