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fix link issues on aarch64 musl

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The linker was unable to find __addtf3, __multf3 and __subtf3.

Added target-feature=+crt-static and link-arg=-lgcc as a temporary
workaround. This seems to be the accepted fix in the Rust community:
rust-lang-nursery/compiler-builtins#201

A permanent fix is yet to be implemented in the Rust compiler.

Signed-off-by: Andreea Florescu <fandree@amazon.com>
This commit is contained in:
Andreea Florescu
2020-01-30 12:48:58 +02:00
committed by Andreea Florescu
parent fc538a8ba0
commit e712d6ae23
1 changed files with 6 additions and 0 deletions
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.cargo/config Normal file
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@@ -0,0 +1,6 @@
# This workaround is needed because the linker is unable to find __addtf3,
# __multf3 and __subtf3.
# Related issue: https://github.com/rust-lang/compiler-builtins/issues/201
[target.aarch64-unknown-linux-musl]
rustflags = [ "-C", "target-feature=+crt-static", "-C", "link-arg=-lgcc"]