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28 lines
1.2 KiB
Rust
28 lines
1.2 KiB
Rust
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use std::env;
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fn main() {
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let target = env::var("TARGET").unwrap();
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// These platforms do not have f128 symbols available in their system libraries, so
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// skip related tests.
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if target.starts_with("arm-")
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|| target.contains("apple-darwin")
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|| target.contains("windows-msvc")
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// GCC and LLVM disagree on the ABI of `f16` and `f128` with MinGW. See
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// <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115054>.
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|| target.contains("windows-gnu")
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// FIXME(llvm): There is an ABI incompatibility between GCC and Clang on 32-bit x86.
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// See <https://github.com/llvm/llvm-project/issues/77401>.
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|| target.starts_with("i686")
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// 32-bit PowerPC gets code generated that Qemu cannot handle. See
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// <https://github.com/rust-lang/compiler-builtins/pull/606#issuecomment-2105635926>.
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|| target.starts_with("powerpc-")
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// FIXME: We get different results from the builtin functions. See
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// <https://github.com/rust-lang/compiler-builtins/pull/606#issuecomment-2105657287>.
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|| target.starts_with("powerpc64-")
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{
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println!("cargo:warning=using apfloat fallback for f128");
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println!("cargo:rustc-cfg=feature=\"no-sys-f128\"");
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}
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}
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